National Weather Service United States Department of Commerce

NOTE:  Climate information is PRELIMINARY DATA.
CERTIFIED climate data is available from the
National Centers for Environmental Information, or from the
Midwestern Regional Climate Center.

 

Preliminary data based on the Real-Time Mesoscale Analysis
(RTMA)



24-hour high temperatures
Observed data reported by NWS, FAA and cooperative weather observers
 
950 AM CDT Tue Jul 29 2025

Automated and Cooperative Observer Reports
Values represent high and low temperatures
for the 24-hour period ending around 7 am.

          Location               High   Low  

...NORTHERN ILLINOIS...
Aurora                            92     72  
Aurora/Sugar Grove Arpt           92     67  
Barrington                        89     66  
Batavia                           95     70  
Chicago Midway Arpt               93     73  
Chicago Midway COOP               93     73  
Chicago O'Hare Arpt               92     70  
Coal City 4NNW                    92     71  
DeKalb Municipal Arpt             89     71  
DeKalb Northern IL Univ           90     72  
Elgin                             93     68  
Elizabeth                         89     69  
Freeport                          91     70  
Greater Kankakee Arpt             88     67  
Illinois City L&D 16              89     68  
Joliet Rgl Arpt                   92     69  
Kewanee                           87     69  
Lansing Municipal Arpt            91     65  
Marseilles                        90     74  
Moline/Quad Cities Arpt           89     71  
Morris                            89     73  
Morris Municipal Arpt             88     70  
Mount Carroll                     90     71  
New Boston L&D 17                 89     71  
Ottawa                            87     70  
Park Forest                       92     68  
Peru/IL Valley Rgl Arpt           87     71  
Rochelle Municipal Arpt           88     67  
Romeoville/NWS Chicago            90     70  
Schaumburg Rgl Arpt               92     69  
Stockton                          89     68  
Waukegan Rgl Arpt                 93     69  
West Chicago/DuPage Arpt          93     69  
Wheeling/Chicago Exec Arpt        94     70  

...CENTRAL ILLINOIS...
Aledo                             88     68  
Avon                              88     68  
Bentley                           91     70  
Bloomington/Cntrl IL Rgl Arpt     90     72  
Champaign 3S                      91     74  
Champaign/Willard Arpt            90     74  
Coles County Arpt                 92     72  
Danville/Vermilion Rgl Arpt       88     71  
Decatur Arpt                      94     73  
Galesburg Municipal Arpt          88     69  
Galesburg Water Plant             89     71  
Gladstone L&D 18                  91     70  
Jacksonville 2                    93     74  
Jacksonville 2E                   94     74  
Jacksonville Municipal Arpt       91     73  
Jerseyville 2 SW                  94     78  
Knoxville                         88     70  
La Harpe                          90     68  
Lacon/Marshall Co Arpt            87     71  
Lincoln NWS                       90     70  
Macomb Municipal Arpt             90     72  
Morrisonville                     96     74  
Normal 4NE                        89     70  
Ogden                             92     73  
Pana                              95     72  
Paris                             90     74  
Peoria Intl Arpt                  91     73  
Pittsfield                        91     71  
Pittsfield/Penstone Arpt          92     71  
Pontiac Municipal Arpt            88     70  
Quincy L&D 21                     92     69  
Quincy Rgl Arpt                   91     70  
Rantoul Aviation Center           88     73  
Shelbyville Dam                   94     74  
Sidell 4N                         90     72  
Springfield/Capital Arpt          91     70  
Tuscola                           90     72  
White Hall 1 E                    91     76  
Windsor                           92     72  

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D               93     78  
Anna                              91     75  
Cahokia/Parks Arpt                93     78  
Carbondale                        93     77  
Carbondale/Southern IL Arpt       94     75  
Casey                             96     69  
Effingham Co Arpt                 94     72  
Fairfield                         95     76  
Fairfield Municipal Arpt          93     75  
Grand Chain Dam                   90     78  
Harrisburg Arpt                   93     74  
Kaskaskia L&D                     97     76  
Lawrenceville/Vincennes Arpt      96     74  
Millstadt                         93     76  
Mt Carmel Municipal Arpt          95     74  
Mt Vernon                         95     75  
Olney 2S                          95     75  
Olney/Noble Arpt                  93     74  
Robinson                          94     75  
Salem                             96     77  
Salem/Leckrone Arpt               93     75  
Smithland Dam                     95     75  
Sparta Community Arpt             96     80  

$$


Preliminary data based on the Real-Time Mesoscale Analysis
(RTMA)


 

24-hour low temperatures

Observed data from NWS, FAA, and cooperative weather observers

 

950 AM CDT Tue Jul 29 2025

Automated and Cooperative Observer Reports
Values represent high and low temperatures
for the 24-hour period ending around 7 am.

          Location               High   Low  

...NORTHERN ILLINOIS...
Aurora                            92     72  
Aurora/Sugar Grove Arpt           92     67  
Barrington                        89     66  
Batavia                           95     70  
Chicago Midway Arpt               93     73  
Chicago Midway COOP               93     73  
Chicago O'Hare Arpt               92     70  
Coal City 4NNW                    92     71  
DeKalb Municipal Arpt             89     71  
DeKalb Northern IL Univ           90     72  
Elgin                             93     68  
Elizabeth                         89     69  
Freeport                          91     70  
Greater Kankakee Arpt             88     67  
Illinois City L&D 16              89     68  
Joliet Rgl Arpt                   92     69  
Kewanee                           87     69  
Lansing Municipal Arpt            91     65  
Marseilles                        90     74  
Moline/Quad Cities Arpt           89     71  
Morris                            89     73  
Morris Municipal Arpt             88     70  
Mount Carroll                     90     71  
New Boston L&D 17                 89     71  
Ottawa                            87     70  
Park Forest                       92     68  
Peru/IL Valley Rgl Arpt           87     71  
Rochelle Municipal Arpt           88     67  
Romeoville/NWS Chicago            90     70  
Schaumburg Rgl Arpt               92     69  
Stockton                          89     68  
Waukegan Rgl Arpt                 93     69  
West Chicago/DuPage Arpt          93     69  
Wheeling/Chicago Exec Arpt        94     70  

...CENTRAL ILLINOIS...
Aledo                             88     68  
Avon                              88     68  
Bentley                           91     70  
Bloomington/Cntrl IL Rgl Arpt     90     72  
Champaign 3S                      91     74  
Champaign/Willard Arpt            90     74  
Coles County Arpt                 92     72  
Danville/Vermilion Rgl Arpt       88     71  
Decatur Arpt                      94     73  
Galesburg Municipal Arpt          88     69  
Galesburg Water Plant             89     71  
Gladstone L&D 18                  91     70  
Jacksonville 2                    93     74  
Jacksonville 2E                   94     74  
Jacksonville Municipal Arpt       91     73  
Jerseyville 2 SW                  94     78  
Knoxville                         88     70  
La Harpe                          90     68  
Lacon/Marshall Co Arpt            87     71  
Lincoln NWS                       90     70  
Macomb Municipal Arpt             90     72  
Morrisonville                     96     74  
Normal 4NE                        89     70  
Ogden                             92     73  
Pana                              95     72  
Paris                             90     74  
Peoria Intl Arpt                  91     73  
Pittsfield                        91     71  
Pittsfield/Penstone Arpt          92     71  
Pontiac Municipal Arpt            88     70  
Quincy L&D 21                     92     69  
Quincy Rgl Arpt                   91     70  
Rantoul Aviation Center           88     73  
Shelbyville Dam                   94     74  
Sidell 4N                         90     72  
Springfield/Capital Arpt          91     70  
Tuscola                           90     72  
White Hall 1 E                    91     76  
Windsor                           92     72  

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D               93     78  
Anna                              91     75  
Cahokia/Parks Arpt                93     78  
Carbondale                        93     77  
Carbondale/Southern IL Arpt       94     75  
Casey                             96     69  
Effingham Co Arpt                 94     72  
Fairfield                         95     76  
Fairfield Municipal Arpt          93     75  
Grand Chain Dam                   90     78  
Harrisburg Arpt                   93     74  
Kaskaskia L&D                     97     76  
Lawrenceville/Vincennes Arpt      96     74  
Millstadt                         93     76  
Mt Carmel Municipal Arpt          95     74  
Mt Vernon                         95     75  
Olney 2S                          95     75  
Olney/Noble Arpt                  93     74  
Robinson                          94     75  
Salem                             96     77  
Salem/Leckrone Arpt               93     75  
Smithland Dam                     95     75  
Sparta Community Arpt             96     80  

$$


               

Preliminary data based on the Real-Time Mesoscale Analysis
(RTMA)


 

24-hour precipitation

 

CoCoRaHS Observations:
Enlarge imagego to CoCoRaHS Page

CoCoRaHS Observations

Observations from NWS, FAA and cooperative weather observers

950 AM CDT Tue Jul 29 2025

Automated and Cooperative Observer Reports
Values represent precipitation and snowfall
for the 24-hour period ending around 7 am.

          Location               Pcpn   Snow   Depth  

...NORTHERN ILLINOIS...
Amboy                            0.04                 
Aurora                           0.00    0.0     0    
Aurora/Sugar Grove Arpt          0.00                 
Barrington                         T     0.0     0    
Batavia                          0.01    0.0     0    
Bourbonnais                      0.03    0.0     0    
Chicago Midway Arpt              0.00                 
Chicago Midway COOP              0.08    0.0     0    
Chicago O'Hare Arpt              0.03                 
Coal City 4NNW                   0.00    0.0     0    
DeKalb Northern IL Univ          0.00    0.0     0    
Elgin                            0.05    0.0     0    
Elgin                            0.00    0.0     0    
Elizabeth                        0.12    0.0     0    
Fairbury                         0.00                 
Freeport                         0.03                 
Genoa                            0.00                 
Hebron                           0.00    0.0     0    
Illinois City L&D 16             0.13                 
Joliet 2N                        0.36                 
Kewanee                          0.30    0.0     0    
Lansing                          0.40    0.0     0    
Lisle Morton Arboretum           0.01    0.0     0    
Marseilles                       0.00                 
Mendota                          0.00                 
Moline/Quad Cities Arpt          0.03                 
Monee                            0.00    0.0     0    
Morris                           0.00    0.0     0    
Mount Carroll                    0.08                 
New Boston L&D 17                0.38                 
Ottawa                           0.00                 
Park Forest                      0.03                 
Peotone                          0.04    0.0     0    
Romeoville/NWS Chicago           0.22    0.0     0    
Steward                          0.00    0.0     0    
Stockton                         0.11    0.0     0    
Watseka                          0.00    0.0     0    
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Westmont                         0.03                 
Wheeling/Chicago Exec Arpt       0.01                 
Woodstock 5NW                    0.00                 

...CENTRAL ILLINOIS...
Aledo                            0.42    0.0     0    
Arthur 1W                        0.00    0.0     0    
Athens 4SW                       0.00                 
Augusta                          0.08    0.0     0    
Avon                             0.02    0.0     0    
Bentley                          0.29                 
Bloomington Waterworks           0.01    0.0     0    
Bloomington/Cntrl IL Rgl Arpt    0.23                 
Champaign 3S                     0.00    0.0     0    
Champaign/Willard Arpt           0.02                 
Coles County Arpt                0.26                 
Decatur Arpt                     0.00                 
Galesburg Water Plant            0.10                 
Gladstone L&D 18                 0.18    0.0     0    
Jacksonville 2                   0.00    0.0     0    
Jacksonville 2E                  0.00    0.0     0    
Jerseyville 2 SW                 0.00    0.0     0    
Knoxville                        0.04    0.0     0    
La Harpe                         0.25                 
Lake Springfield                 0.00                 
Lincoln NWS                      0.06    0.0     0    
Lovington                        0.00                 
Macomb                           0.05    0.0     0    
Mattoon                          0.00    0.0     0    
Medora                           0.00    0.0     0    
Morrisonville                    0.00                 
Morton                           0.00    0.0     0    
Mount Pulaski                    0.32    0.0     0    
Moweaqua 2S                      0.00                 
Normal 4NE                       1.00    0.0     0    
Ogden                            0.06    0.0     0    
Pana                             0.00    0.0     0    
Paris                            0.15    0.0     0    
Peoria 5NW                         T     0.0     0    
Peoria Intl Arpt                 0.00                 
Pittsfield                       0.43                 
Quincy L&D 21                    0.14                 
Quincy Rgl Arpt                  0.40                 
Rantoul                          0.27                 
Roanoke                          0.03                 
Shelbyville Dam                  0.00    0.0     0    
Sherman                          0.00                 
Sidell 4N                          T                  
Springfield/Capital Arpt         0.00                 
Tuscola                          0.09    0.0     0    
White Hall 1 E                   0.02                 
Windsor                          0.00    0.0     0    
Yates City                       0.00                 

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D              0.00    0.0     0    
Anna                             0.00                 
Cahokia/Parks Arpt               0.00                 
Carbondale                       0.00                 
Carbondale/Southern IL Arpt      0.00                 
Casey                            0.40    0.0     0    
Edwardsville 2 W                 0.00                 
Effingham Water Plant            0.00                 
Fairfield                        0.00    0.0     0    
Grand Chain Dam                  0.00                 
Highland                         0.00    0.0     0    
Kaskaskia L&D                    0.00    0.0     0    
Lawrenceville/Vincennes Arpt     0.14                 
Medora                           0.00    0.0     0    
Millstadt                        0.00                 
Mt Vernon                        0.00                 
Olney 2S                         0.00    0.0     0    
Robinson                         0.05                 
Salem                            0.00                 
Smithland Dam                    0.00    0.0     0    

$$

                 




Preliminary data based on analysis from the NWS
National Operational Hydrologic Remote Sensing Center
(NOHRSC)

 

24-hour snowfall
 

CoCoRaHS Observations:
Enlarge mapgo to CoCoRaHS Page

CoCoRaHS Observations

Observations from NWS, FAA and cooperative weather observers

950 AM CDT Tue Jul 29 2025

Automated and Cooperative Observer Reports
Values represent precipitation and snowfall
for the 24-hour period ending around 7 am.

          Location               Pcpn   Snow   Depth  

...NORTHERN ILLINOIS...
Amboy                            0.04                 
Aurora                           0.00    0.0     0    
Aurora/Sugar Grove Arpt          0.00                 
Barrington                         T     0.0     0    
Batavia                          0.01    0.0     0    
Bourbonnais                      0.03    0.0     0    
Chicago Midway Arpt              0.00                 
Chicago Midway COOP              0.08    0.0     0    
Chicago O'Hare Arpt              0.03                 
Coal City 4NNW                   0.00    0.0     0    
DeKalb Northern IL Univ          0.00    0.0     0    
Elgin                            0.05    0.0     0    
Elgin                            0.00    0.0     0    
Elizabeth                        0.12    0.0     0    
Fairbury                         0.00                 
Freeport                         0.03                 
Genoa                            0.00                 
Hebron                           0.00    0.0     0    
Illinois City L&D 16             0.13                 
Joliet 2N                        0.36                 
Kewanee                          0.30    0.0     0    
Lansing                          0.40    0.0     0    
Lisle Morton Arboretum           0.01    0.0     0    
Marseilles                       0.00                 
Mendota                          0.00                 
Moline/Quad Cities Arpt          0.03                 
Monee                            0.00    0.0     0    
Morris                           0.00    0.0     0    
Mount Carroll                    0.08                 
New Boston L&D 17                0.38                 
Ottawa                           0.00                 
Park Forest                      0.03                 
Peotone                          0.04    0.0     0    
Romeoville/NWS Chicago           0.22    0.0     0    
Steward                          0.00    0.0     0    
Stockton                         0.11    0.0     0    
Watseka                          0.00    0.0     0    
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Westmont                         0.03                 
Wheeling/Chicago Exec Arpt       0.01                 
Woodstock 5NW                    0.00                 

...CENTRAL ILLINOIS...
Aledo                            0.42    0.0     0    
Arthur 1W                        0.00    0.0     0    
Athens 4SW                       0.00                 
Augusta                          0.08    0.0     0    
Avon                             0.02    0.0     0    
Bentley                          0.29                 
Bloomington Waterworks           0.01    0.0     0    
Bloomington/Cntrl IL Rgl Arpt    0.23                 
Champaign 3S                     0.00    0.0     0    
Champaign/Willard Arpt           0.02                 
Coles County Arpt                0.26                 
Decatur Arpt                     0.00                 
Galesburg Water Plant            0.10                 
Gladstone L&D 18                 0.18    0.0     0    
Jacksonville 2                   0.00    0.0     0    
Jacksonville 2E                  0.00    0.0     0    
Jerseyville 2 SW                 0.00    0.0     0    
Knoxville                        0.04    0.0     0    
La Harpe                         0.25                 
Lake Springfield                 0.00                 
Lincoln NWS                      0.06    0.0     0    
Lovington                        0.00                 
Macomb                           0.05    0.0     0    
Mattoon                          0.00    0.0     0    
Medora                           0.00    0.0     0    
Morrisonville                    0.00                 
Morton                           0.00    0.0     0    
Mount Pulaski                    0.32    0.0     0    
Moweaqua 2S                      0.00                 
Normal 4NE                       1.00    0.0     0    
Ogden                            0.06    0.0     0    
Pana                             0.00    0.0     0    
Paris                            0.15    0.0     0    
Peoria 5NW                         T     0.0     0    
Peoria Intl Arpt                 0.00                 
Pittsfield                       0.43                 
Quincy L&D 21                    0.14                 
Quincy Rgl Arpt                  0.40                 
Rantoul                          0.27                 
Roanoke                          0.03                 
Shelbyville Dam                  0.00    0.0     0    
Sherman                          0.00                 
Sidell 4N                          T                  
Springfield/Capital Arpt         0.00                 
Tuscola                          0.09    0.0     0    
White Hall 1 E                   0.02                 
Windsor                          0.00    0.0     0    
Yates City                       0.00                 

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D              0.00    0.0     0    
Anna                             0.00                 
Cahokia/Parks Arpt               0.00                 
Carbondale                       0.00                 
Carbondale/Southern IL Arpt      0.00                 
Casey                            0.40    0.0     0    
Edwardsville 2 W                 0.00                 
Effingham Water Plant            0.00                 
Fairfield                        0.00    0.0     0    
Grand Chain Dam                  0.00                 
Highland                         0.00    0.0     0    
Kaskaskia L&D                    0.00    0.0     0    
Lawrenceville/Vincennes Arpt     0.14                 
Medora                           0.00    0.0     0    
Millstadt                        0.00                 
Mt Vernon                        0.00                 
Olney 2S                         0.00    0.0     0    
Robinson                         0.05                 
Salem                            0.00                 
Smithland Dam                    0.00    0.0     0    

$$


Preliminary data based on analysis from the NWS
National Operational Hydrologic Remote Sensing Center
(NOHRSC)

 

24-hour snowfall
 

CoCoRaHS Observations:
Enlarge mapgo to CoCoRaHS Page

CoCoRaHS Observations

Observations from NWS, FAA and cooperative weather observers

950 AM CDT Tue Jul 29 2025

Automated and Cooperative Observer Reports
Values represent precipitation and snowfall
for the 24-hour period ending around 7 am.

          Location               Pcpn   Snow   Depth  

...NORTHERN ILLINOIS...
Amboy                            0.04                 
Aurora                           0.00    0.0     0    
Aurora/Sugar Grove Arpt          0.00                 
Barrington                         T     0.0     0    
Batavia                          0.01    0.0     0    
Bourbonnais                      0.03    0.0     0    
Chicago Midway Arpt              0.00                 
Chicago Midway COOP              0.08    0.0     0    
Chicago O'Hare Arpt              0.03                 
Coal City 4NNW                   0.00    0.0     0    
DeKalb Northern IL Univ          0.00    0.0     0    
Elgin                            0.05    0.0     0    
Elgin                            0.00    0.0     0    
Elizabeth                        0.12    0.0     0    
Fairbury                         0.00                 
Freeport                         0.03                 
Genoa                            0.00                 
Hebron                           0.00    0.0     0    
Illinois City L&D 16             0.13                 
Joliet 2N                        0.36                 
Kewanee                          0.30    0.0     0    
Lansing                          0.40    0.0     0    
Lisle Morton Arboretum           0.01    0.0     0    
Marseilles                       0.00                 
Mendota                          0.00                 
Moline/Quad Cities Arpt          0.03                 
Monee                            0.00    0.0     0    
Morris                           0.00    0.0     0    
Mount Carroll                    0.08                 
New Boston L&D 17                0.38                 
Ottawa                           0.00                 
Park Forest                      0.03                 
Peotone                          0.04    0.0     0    
Romeoville/NWS Chicago           0.22    0.0     0    
Steward                          0.00    0.0     0    
Stockton                         0.11    0.0     0    
Watseka                          0.00    0.0     0    
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Westmont                         0.03                 
Wheeling/Chicago Exec Arpt       0.01                 
Woodstock 5NW                    0.00                 

...CENTRAL ILLINOIS...
Aledo                            0.42    0.0     0    
Arthur 1W                        0.00    0.0     0    
Athens 4SW                       0.00                 
Augusta                          0.08    0.0     0    
Avon                             0.02    0.0     0    
Bentley                          0.29                 
Bloomington Waterworks           0.01    0.0     0    
Bloomington/Cntrl IL Rgl Arpt    0.23                 
Champaign 3S                     0.00    0.0     0    
Champaign/Willard Arpt           0.02                 
Coles County Arpt                0.26                 
Decatur Arpt                     0.00                 
Galesburg Water Plant            0.10                 
Gladstone L&D 18                 0.18    0.0     0    
Jacksonville 2                   0.00    0.0     0    
Jacksonville 2E                  0.00    0.0     0    
Jerseyville 2 SW                 0.00    0.0     0    
Knoxville                        0.04    0.0     0    
La Harpe                         0.25                 
Lake Springfield                 0.00                 
Lincoln NWS                      0.06    0.0     0    
Lovington                        0.00                 
Macomb                           0.05    0.0     0    
Mattoon                          0.00    0.0     0    
Medora                           0.00    0.0     0    
Morrisonville                    0.00                 
Morton                           0.00    0.0     0    
Mount Pulaski                    0.32    0.0     0    
Moweaqua 2S                      0.00                 
Normal 4NE                       1.00    0.0     0    
Ogden                            0.06    0.0     0    
Pana                             0.00    0.0     0    
Paris                            0.15    0.0     0    
Peoria 5NW                         T     0.0     0    
Peoria Intl Arpt                 0.00                 
Pittsfield                       0.43                 
Quincy L&D 21                    0.14                 
Quincy Rgl Arpt                  0.40                 
Rantoul                          0.27                 
Roanoke                          0.03                 
Shelbyville Dam                  0.00    0.0     0    
Sherman                          0.00                 
Sidell 4N                          T                  
Springfield/Capital Arpt         0.00                 
Tuscola                          0.09    0.0     0    
White Hall 1 E                   0.02                 
Windsor                          0.00    0.0     0    
Yates City                       0.00                 

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D              0.00    0.0     0    
Anna                             0.00                 
Cahokia/Parks Arpt               0.00                 
Carbondale                       0.00                 
Carbondale/Southern IL Arpt      0.00                 
Casey                            0.40    0.0     0    
Edwardsville 2 W                 0.00                 
Effingham Water Plant            0.00                 
Fairfield                        0.00    0.0     0    
Grand Chain Dam                  0.00                 
Highland                         0.00    0.0     0    
Kaskaskia L&D                    0.00    0.0     0    
Lawrenceville/Vincennes Arpt     0.14                 
Medora                           0.00    0.0     0    
Millstadt                        0.00                 
Mt Vernon                        0.00                 
Olney 2S                         0.00    0.0     0    
Robinson                         0.05                 
Salem                            0.00                 
Smithland Dam                    0.00    0.0     0    

$$

             




 

 

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