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
 
925 AM CST Sat Feb 28 2026

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                            66     27  
Aurora/Sugar Grove Arpt           67     16  
Barrington                        61     31  
Chicago Midway Arpt               65     30  
Chicago Midway COOP               65     30  
Chicago O'Hare Arpt               65     28  
Coal City 4NNW                    71     22  
DeKalb Northern IL Univ           65     28  
Elgin                             65     23  
Elizabeth                         66     21  
Freeport                          64     23  
Freeport/Albertus Arpt            66     28  
Greater Kankakee Arpt             67     25  
Illinois City L&D 16              71     22  
Joliet Rgl Arpt                   69     25  
Kewanee                           70     27  
Lansing Municipal Arpt            64     24  
Marseilles                        68     25  
Moline/Quad Cities Arpt           72     19  
Morris Municipal Arpt             68     21  
New Boston L&D 17                 68     29  
Ottawa                            67     25  
Park Forest                       64     29  
Peru/IL Valley Rgl Arpt           68     27  
Rochelle Municipal Arpt           67     18  
Romeoville/NWS Chicago            65     26  
Savanna/Tri-Township Arpt         67     22  
Schaumburg Rgl Arpt               65     29  
Sterling/Rock Falls Arpt          69     20  
Stockton                          65     27  
Waukegan Rgl Arpt                 62     25  
West Chicago/DuPage Arpt          65     24  
Wheeling/Chicago Exec Arpt        64     23  

...CENTRAL ILLINOIS...
Aledo                             71     29  
Avon                              73     27  
Bentley                           76     30  
Bloomington/Cntrl IL Rgl Arpt     69     27  
Champaign 3S                       0     0   
Champaign/Willard Arpt            68     26  
Coles County Arpt                 67     35  
Danville/Vermilion Rgl Arpt       66     28  
Decatur Arpt                      69     27  
Edgar County Arpt                 65     31  
Galesburg Municipal Arpt          71     25  
Galesburg Water Plant             70     29  
Gladstone L&D 18                  72     29  
Jacksonville 2                    74     30  
Jacksonville Municipal Arpt       74     28  
Knoxville                         71     27  
La Harpe                          73     27  
Lacon/Marshall Co Arpt            70     21  
Lincoln NWS                       72     21  
Macomb Municipal Arpt             74     24  
Normal 4NE                        70     25  
Ogden                             69     26  
Pana                              71     32  
Paris                             66     31  
Peoria Intl Arpt                  72     26  
Pittsfield/Penstone Arpt          75     33  
Pontiac Municipal Arpt            70     19  
Quincy L&D 21                     73     35  
Quincy Rgl Arpt                   74     33  
Rantoul Aviation Center           68     23  
Shelbyville Dam                   69     33  
Sidell 4N                         67     32  
Springfield/Capital Arpt          74     27  
Taylorville Municipal Arpt        71     30  
Tuscola                           68     32  
White Hall 1 E                    73     31  
Windsor                           70     33  

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D               74     35  
Anna                              70     33  
Cahokia/Parks Arpt                77     28  
Crawford County Arpt              67     29  
Effingham Co Arpt                 69     29  
Fairfield Municipal Arpt          69     31  
Grand Chain Dam                   64     39  
Harrisburg Arpt                   70     29  
Kaskaskia L&D                     75     34  
Lawrenceville/Vincennes Arpt      68     30  
Millstadt                         73     37  
Mt Carmel Municipal Arpt          70     30  
Mt Vernon                         70     27  
Olney/Noble Arpt                  69     30  
Salem                             72     31  
Salem/Leckrone Arpt               72     32  
Smithland Dam                     70     35  
Sparta Community Arpt             72     33  

$$

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


 

24-hour low temperatures

Observed data from NWS, FAA, and cooperative weather observers

 

925 AM CST Sat Feb 28 2026

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                            66     27  
Aurora/Sugar Grove Arpt           67     16  
Barrington                        61     31  
Chicago Midway Arpt               65     30  
Chicago Midway COOP               65     30  
Chicago O'Hare Arpt               65     28  
Coal City 4NNW                    71     22  
DeKalb Northern IL Univ           65     28  
Elgin                             65     23  
Elizabeth                         66     21  
Freeport                          64     23  
Freeport/Albertus Arpt            66     28  
Greater Kankakee Arpt             67     25  
Illinois City L&D 16              71     22  
Joliet Rgl Arpt                   69     25  
Kewanee                           70     27  
Lansing Municipal Arpt            64     24  
Marseilles                        68     25  
Moline/Quad Cities Arpt           72     19  
Morris Municipal Arpt             68     21  
New Boston L&D 17                 68     29  
Ottawa                            67     25  
Park Forest                       64     29  
Peru/IL Valley Rgl Arpt           68     27  
Rochelle Municipal Arpt           67     18  
Romeoville/NWS Chicago            65     26  
Savanna/Tri-Township Arpt         67     22  
Schaumburg Rgl Arpt               65     29  
Sterling/Rock Falls Arpt          69     20  
Stockton                          65     27  
Waukegan Rgl Arpt                 62     25  
West Chicago/DuPage Arpt          65     24  
Wheeling/Chicago Exec Arpt        64     23  

...CENTRAL ILLINOIS...
Aledo                             71     29  
Avon                              73     27  
Bentley                           76     30  
Bloomington/Cntrl IL Rgl Arpt     69     27  
Champaign 3S                       0     0   
Champaign/Willard Arpt            68     26  
Coles County Arpt                 67     35  
Danville/Vermilion Rgl Arpt       66     28  
Decatur Arpt                      69     27  
Edgar County Arpt                 65     31  
Galesburg Municipal Arpt          71     25  
Galesburg Water Plant             70     29  
Gladstone L&D 18                  72     29  
Jacksonville 2                    74     30  
Jacksonville Municipal Arpt       74     28  
Knoxville                         71     27  
La Harpe                          73     27  
Lacon/Marshall Co Arpt            70     21  
Lincoln NWS                       72     21  
Macomb Municipal Arpt             74     24  
Normal 4NE                        70     25  
Ogden                             69     26  
Pana                              71     32  
Paris                             66     31  
Peoria Intl Arpt                  72     26  
Pittsfield/Penstone Arpt          75     33  
Pontiac Municipal Arpt            70     19  
Quincy L&D 21                     73     35  
Quincy Rgl Arpt                   74     33  
Rantoul Aviation Center           68     23  
Shelbyville Dam                   69     33  
Sidell 4N                         67     32  
Springfield/Capital Arpt          74     27  
Taylorville Municipal Arpt        71     30  
Tuscola                           68     32  
White Hall 1 E                    73     31  
Windsor                           70     33  

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D               74     35  
Anna                              70     33  
Cahokia/Parks Arpt                77     28  
Crawford County Arpt              67     29  
Effingham Co Arpt                 69     29  
Fairfield Municipal Arpt          69     31  
Grand Chain Dam                   64     39  
Harrisburg Arpt                   70     29  
Kaskaskia L&D                     75     34  
Lawrenceville/Vincennes Arpt      68     30  
Millstadt                         73     37  
Mt Carmel Municipal Arpt          70     30  
Mt Vernon                         70     27  
Olney/Noble Arpt                  69     30  
Salem                             72     31  
Salem/Leckrone Arpt               72     32  
Smithland Dam                     70     35  
Sparta Community Arpt             72     33  

$$

               

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

920 AM CST Sat Feb 28 2026

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...
Aurora                           0.00    0.0     0    
Aurora/Sugar Grove Arpt          0.00                 
Barrington                       0.00                 
Bourbonnais                      0.00    0.0     0    
Chatsworth                       0.00    0.0     0    
Chicago Midway Arpt              0.00                 
Chicago O'Hare Arpt              0.00                 
Coal City 4NNW                   0.00    0.0     0    
DeKalb Northern IL Univ          0.00    0.0     0    
Earlville 3S                     0.00    0.0     0    
Elgin                            0.00    0.0     0    
Elgin                            0.00    0.0     0    
Elizabeth                        0.00    0.0     0    
Freeport                         0.00    0.0     0    
Genoa                            0.00    0.0     0    
Illinois City L&D 16             0.00                 
Kewanee                          0.00    0.0     0    
Lake Zurich                      0.00    0.0     0    
Lansing                          0.00    0.0     0    
Manhattan                        0.00    0.0     0    
Marseilles                       0.00                 
Moline/Quad Cities Arpt          0.00                 
New Boston L&D 17                0.00                 
Ottawa                           0.00                 
Park Forest                      0.00    0.0     0    
Romeoville/NWS Chicago           0.00    0.0     0    
Steward                          0.00    0.0     0    
Stockton                         0.00    0.0     0    
Streator                         0.00    0.0          
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 
Woodstock 5NW                    0.00    0.0     0    

...CENTRAL ILLINOIS...
Aledo                            0.00    0.0     0    
Athens 4SW                       0.00                 
Avon                             0.00    0.0     0    
Bentley                          0.00                 
Bloomington/Cntrl IL Rgl Arpt    0.00                 
Champaign/Willard Arpt           0.00                 
Cisco                            0.00    0.0     0    
Coles County Arpt                0.00                 
Decatur Arpt                     0.00                 
Galesburg Water Plant            0.00                 
Gladstone L&D 18                 0.00    0.0     0    
Jacksonville 2                   0.00    0.0     0    
Knoxville                        0.00    0.0     0    
La Harpe                         0.00                 
Lake Springfield                 0.00                 
Lincoln NWS                      0.00    0.0     0    
Lovington                        0.00                 
Morton                           0.00    0.0     0    
Mount Pulaski                    0.00    0.0     0    
Moweaqua 2S                      0.00                 
Normal 4NE                       0.00    0.0     0    
Ogden                            0.00    0.0     0    
Pana                             0.00    0.0     0    
Paris                            0.00    0.0     0    
Peoria 5NW                       0.00    0.0     0    
Peoria Intl Arpt                 0.00                 
Quincy L&D 21                    0.00    0.0     0    
Quincy Rgl Arpt                  0.00                 
Rantoul                          0.00                 
Roanoke                          0.00                 
Shelbyville Dam                  0.00    0.0     0    
Sherman                          0.00                 
Sidell 4N                        0.00    0.0     0    
Springfield/Capital Arpt         0.00                 
Tuscola                          0.00    0.0     0    
White Hall 1 E                   0.00                 
Windsor                          0.00    0.0     0    
Yates City                       0.00                 

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D              0.00                 
Anna                             0.00                 
Centralia                        0.00                 
Edwardsville 2 W                 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     0.00                 
Millstadt                        0.00                 
Mt Vernon                        0.00                 
Salem                            0.00    0.0     0    
Smithland Dam                    0.00                 

$$
                 




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

920 AM CST Sat Feb 28 2026

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...
Aurora                           0.00    0.0     0    
Aurora/Sugar Grove Arpt          0.00                 
Barrington                       0.00                 
Bourbonnais                      0.00    0.0     0    
Chatsworth                       0.00    0.0     0    
Chicago Midway Arpt              0.00                 
Chicago O'Hare Arpt              0.00                 
Coal City 4NNW                   0.00    0.0     0    
DeKalb Northern IL Univ          0.00    0.0     0    
Earlville 3S                     0.00    0.0     0    
Elgin                            0.00    0.0     0    
Elgin                            0.00    0.0     0    
Elizabeth                        0.00    0.0     0    
Freeport                         0.00    0.0     0    
Genoa                            0.00    0.0     0    
Illinois City L&D 16             0.00                 
Kewanee                          0.00    0.0     0    
Lake Zurich                      0.00    0.0     0    
Lansing                          0.00    0.0     0    
Manhattan                        0.00    0.0     0    
Marseilles                       0.00                 
Moline/Quad Cities Arpt          0.00                 
New Boston L&D 17                0.00                 
Ottawa                           0.00                 
Park Forest                      0.00    0.0     0    
Romeoville/NWS Chicago           0.00    0.0     0    
Steward                          0.00    0.0     0    
Stockton                         0.00    0.0     0    
Streator                         0.00    0.0          
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 
Woodstock 5NW                    0.00    0.0     0    

...CENTRAL ILLINOIS...
Aledo                            0.00    0.0     0    
Athens 4SW                       0.00                 
Avon                             0.00    0.0     0    
Bentley                          0.00                 
Bloomington/Cntrl IL Rgl Arpt    0.00                 
Champaign/Willard Arpt           0.00                 
Cisco                            0.00    0.0     0    
Coles County Arpt                0.00                 
Decatur Arpt                     0.00                 
Galesburg Water Plant            0.00                 
Gladstone L&D 18                 0.00    0.0     0    
Jacksonville 2                   0.00    0.0     0    
Knoxville                        0.00    0.0     0    
La Harpe                         0.00                 
Lake Springfield                 0.00                 
Lincoln NWS                      0.00    0.0     0    
Lovington                        0.00                 
Morton                           0.00    0.0     0    
Mount Pulaski                    0.00    0.0     0    
Moweaqua 2S                      0.00                 
Normal 4NE                       0.00    0.0     0    
Ogden                            0.00    0.0     0    
Pana                             0.00    0.0     0    
Paris                            0.00    0.0     0    
Peoria 5NW                       0.00    0.0     0    
Peoria Intl Arpt                 0.00                 
Quincy L&D 21                    0.00    0.0     0    
Quincy Rgl Arpt                  0.00                 
Rantoul                          0.00                 
Roanoke                          0.00                 
Shelbyville Dam                  0.00    0.0     0    
Sherman                          0.00                 
Sidell 4N                        0.00    0.0     0    
Springfield/Capital Arpt         0.00                 
Tuscola                          0.00    0.0     0    
White Hall 1 E                   0.00                 
Windsor                          0.00    0.0     0    
Yates City                       0.00                 

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D              0.00                 
Anna                             0.00                 
Centralia                        0.00                 
Edwardsville 2 W                 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     0.00                 
Millstadt                        0.00                 
Mt Vernon                        0.00                 
Salem                            0.00    0.0     0    
Smithland Dam                    0.00                 

$$

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

920 AM CST Sat Feb 28 2026

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...
Aurora                           0.00    0.0     0    
Aurora/Sugar Grove Arpt          0.00                 
Barrington                       0.00                 
Bourbonnais                      0.00    0.0     0    
Chatsworth                       0.00    0.0     0    
Chicago Midway Arpt              0.00                 
Chicago O'Hare Arpt              0.00                 
Coal City 4NNW                   0.00    0.0     0    
DeKalb Northern IL Univ          0.00    0.0     0    
Earlville 3S                     0.00    0.0     0    
Elgin                            0.00    0.0     0    
Elgin                            0.00    0.0     0    
Elizabeth                        0.00    0.0     0    
Freeport                         0.00    0.0     0    
Genoa                            0.00    0.0     0    
Illinois City L&D 16             0.00                 
Kewanee                          0.00    0.0     0    
Lake Zurich                      0.00    0.0     0    
Lansing                          0.00    0.0     0    
Manhattan                        0.00    0.0     0    
Marseilles                       0.00                 
Moline/Quad Cities Arpt          0.00                 
New Boston L&D 17                0.00                 
Ottawa                           0.00                 
Park Forest                      0.00    0.0     0    
Romeoville/NWS Chicago           0.00    0.0     0    
Steward                          0.00    0.0     0    
Stockton                         0.00    0.0     0    
Streator                         0.00    0.0          
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 
Woodstock 5NW                    0.00    0.0     0    

...CENTRAL ILLINOIS...
Aledo                            0.00    0.0     0    
Athens 4SW                       0.00                 
Avon                             0.00    0.0     0    
Bentley                          0.00                 
Bloomington/Cntrl IL Rgl Arpt    0.00                 
Champaign/Willard Arpt           0.00                 
Cisco                            0.00    0.0     0    
Coles County Arpt                0.00                 
Decatur Arpt                     0.00                 
Galesburg Water Plant            0.00                 
Gladstone L&D 18                 0.00    0.0     0    
Jacksonville 2                   0.00    0.0     0    
Knoxville                        0.00    0.0     0    
La Harpe                         0.00                 
Lake Springfield                 0.00                 
Lincoln NWS                      0.00    0.0     0    
Lovington                        0.00                 
Morton                           0.00    0.0     0    
Mount Pulaski                    0.00    0.0     0    
Moweaqua 2S                      0.00                 
Normal 4NE                       0.00    0.0     0    
Ogden                            0.00    0.0     0    
Pana                             0.00    0.0     0    
Paris                            0.00    0.0     0    
Peoria 5NW                       0.00    0.0     0    
Peoria Intl Arpt                 0.00                 
Quincy L&D 21                    0.00    0.0     0    
Quincy Rgl Arpt                  0.00                 
Rantoul                          0.00                 
Roanoke                          0.00                 
Shelbyville Dam                  0.00    0.0     0    
Sherman                          0.00                 
Sidell 4N                        0.00    0.0     0    
Springfield/Capital Arpt         0.00                 
Tuscola                          0.00    0.0     0    
White Hall 1 E                   0.00                 
Windsor                          0.00    0.0     0    
Yates City                       0.00                 

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D              0.00                 
Anna                             0.00                 
Centralia                        0.00                 
Edwardsville 2 W                 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     0.00                 
Millstadt                        0.00                 
Mt Vernon                        0.00                 
Salem                            0.00    0.0     0    
Smithland Dam                    0.00                 

$$
             




 

 

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