National Weather Service United States Department of Commerce

Regional Outbreaks of Severe Weather Through Early Next Week; Early Season Heat Wave across the South

Active spring pattern across the center of our nation with several episodes of severe weather and heavy rainfall expected into next week. The potential for very large hail, long track tornadoes, severe wind gusts, frequent cloud to ground lightning strikes and flash flooding are in the outlook. Furthermore, dangerous early season heat wave continues for the Gulf Coast states into early next week. Read More >

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 CDT Sun Jun 1 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                            70     44  
Aurora/Sugar Grove Arpt           73     41  
Barrington                        65     41  
Batavia                           71     40  
Chicago Midway Arpt               64     47  
Chicago Midway COOP               64     49  
Chicago O'Hare Arpt               64     46  
Coal City 4NNW                    72     40  
DeKalb Municipal Arpt             71     43  
DeKalb Northern IL Univ           71     46  
Dwight                            75     44  
Elgin                             68     23  
Elizabeth                         73     45  
Freeport                          72     44  
Greater Kankakee Arpt             70     42  
Illinois City L&D 16              87     55  
Joliet Rgl Arpt                   72     39  
Kewanee                           77     48  
Lansing Municipal Arpt            59     37  
Marseilles                        79     43  
Moline/Quad-City Arpt             83     49  
Morris Municipal Arpt             73     43  
New Boston L&D 17                 88     54  
Ottawa                            74     43  
Park Forest                       64     41  
Peru/IL Valley Rgl Arpt           75     47  
Rochelle Municipal Arpt           72     42  
Romeoville/NWS Chicago            67     42  
Schaumburg Rgl Arpt               67     42  
Stockton                          72     48  
Waukegan Rgl Arpt                 61     38  
West Chicago/DuPage Arpt          70     40  
Wheeling/Chicago Exec Arpt        62     42  

...CENTRAL ILLINOIS...
Aledo                             83     51  
Avon                              82     51  
Bloomington/Cntrl IL Rgl Arpt     79     50  
Champaign/Willard Arpt            80     48  
Coles County Arpt                 81     53  
Danville/Vermilion Rgl Arpt       74     46  
Decatur Arpt                      84     55  
Edgar County Arpt                 76     49  
Galesburg Municipal Arpt          82     52  
Galesburg Water Plant             83     54  
Gladstone L&D 18                  79     57  
Jacksonville 2                    84     55  
Jacksonville Municipal Arpt       84     55  
La Harpe                          82     54  
Lacon/Marshall Co Arpt            76     46  
Lincoln NWS                       83     51  
Macomb Municipal Arpt             83     51  
Morrisonville                     86     59  
Normal 4NE                        80     50  
Ogden                             75     51  
Pana                              83     53  
Paris                             76     48  
Peoria Intl Arpt                  83     52  
Pittsfield/Penstone Arpt          82     55  
Pontiac Municipal Arpt            74     44  
Quincy L&D 21                     81     58  
Quincy Rgl Arpt                   82     56  
Rantoul Aviation Center           74     51  
Shelbyville Dam                   81     55  
Sidell 4N                         77     52  
Springfield/Capital Arpt          83     55  
Tuscola                           78     54  
White Hall 1 E                    81     56  
Windsor                           81     54  

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D               82     58  
Anna                              80     58  
Cahokia/Parks Arpt                82     58  
Carbondale/Southern IL Arpt       80     60  
Casey                             83     51  
Crawford County Arpt              83     54  
Effingham Co Arpt                 83     55  
Fairfield Municipal Arpt          81     57  
Grand Chain Dam                   81     59  
Harrisburg Arpt                   81     59  
Iuka 12 SW                        81     56  
Kaskaskia L&D                     81     56  
Lawrenceville/Vincennes Arpt      82     54  
Millstadt                         81     59  
Mt Carmel Municipal Arpt          85     57  
Mt Vernon                         81     53  
Olney/Noble Arpt                  82     55  
Salem                             82     57  
Salem/Leckrone Arpt               83     58  
Smithland Dam                     83     60  
Sparta Community Arpt             82     61  

$$

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 CDT Sun Jun 1 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                            70     44  
Aurora/Sugar Grove Arpt           73     41  
Barrington                        65     41  
Batavia                           71     40  
Chicago Midway Arpt               64     47  
Chicago Midway COOP               64     49  
Chicago O'Hare Arpt               64     46  
Coal City 4NNW                    72     40  
DeKalb Municipal Arpt             71     43  
DeKalb Northern IL Univ           71     46  
Dwight                            75     44  
Elgin                             68     23  
Elizabeth                         73     45  
Freeport                          72     44  
Greater Kankakee Arpt             70     42  
Illinois City L&D 16              87     55  
Joliet Rgl Arpt                   72     39  
Kewanee                           77     48  
Lansing Municipal Arpt            59     37  
Marseilles                        79     43  
Moline/Quad-City Arpt             83     49  
Morris Municipal Arpt             73     43  
New Boston L&D 17                 88     54  
Ottawa                            74     43  
Park Forest                       64     41  
Peru/IL Valley Rgl Arpt           75     47  
Rochelle Municipal Arpt           72     42  
Romeoville/NWS Chicago            67     42  
Schaumburg Rgl Arpt               67     42  
Stockton                          72     48  
Waukegan Rgl Arpt                 61     38  
West Chicago/DuPage Arpt          70     40  
Wheeling/Chicago Exec Arpt        62     42  

...CENTRAL ILLINOIS...
Aledo                             83     51  
Avon                              82     51  
Bloomington/Cntrl IL Rgl Arpt     79     50  
Champaign/Willard Arpt            80     48  
Coles County Arpt                 81     53  
Danville/Vermilion Rgl Arpt       74     46  
Decatur Arpt                      84     55  
Edgar County Arpt                 76     49  
Galesburg Municipal Arpt          82     52  
Galesburg Water Plant             83     54  
Gladstone L&D 18                  79     57  
Jacksonville 2                    84     55  
Jacksonville Municipal Arpt       84     55  
La Harpe                          82     54  
Lacon/Marshall Co Arpt            76     46  
Lincoln NWS                       83     51  
Macomb Municipal Arpt             83     51  
Morrisonville                     86     59  
Normal 4NE                        80     50  
Ogden                             75     51  
Pana                              83     53  
Paris                             76     48  
Peoria Intl Arpt                  83     52  
Pittsfield/Penstone Arpt          82     55  
Pontiac Municipal Arpt            74     44  
Quincy L&D 21                     81     58  
Quincy Rgl Arpt                   82     56  
Rantoul Aviation Center           74     51  
Shelbyville Dam                   81     55  
Sidell 4N                         77     52  
Springfield/Capital Arpt          83     55  
Tuscola                           78     54  
White Hall 1 E                    81     56  
Windsor                           81     54  

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D               82     58  
Anna                              80     58  
Cahokia/Parks Arpt                82     58  
Carbondale/Southern IL Arpt       80     60  
Casey                             83     51  
Crawford County Arpt              83     54  
Effingham Co Arpt                 83     55  
Fairfield Municipal Arpt          81     57  
Grand Chain Dam                   81     59  
Harrisburg Arpt                   81     59  
Iuka 12 SW                        81     56  
Kaskaskia L&D                     81     56  
Lawrenceville/Vincennes Arpt      82     54  
Millstadt                         81     59  
Mt Carmel Municipal Arpt          85     57  
Mt Vernon                         81     53  
Olney/Noble Arpt                  82     55  
Salem                             82     57  
Salem/Leckrone Arpt               83     58  
Smithland Dam                     83     60  
Sparta Community Arpt             82     61  

$$

               

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 CDT Sun Jun 1 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...
Aurora                           0.00    0.0     0    
Aurora/Sugar Grove Arpt          0.00                 
Barrington                       0.00                 
Batavia                          0.00    0.0     0    
Bourbonnais                      0.00    0.0     0    
Chicago Midway Arpt              0.00                 
Chicago Midway COOP              0.00    0.0     0    
Chicago O'Hare Arpt              0.00                 
Coal City 4NNW                   0.00    0.0     0    
DeKalb Northern IL Univ          0.00    0.0     0    
Dwight                           0.00                 
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                 
Illinois City L&D 16             0.00    0.0     0    
Kewanee                          0.00    0.0     0    
Lake Zurich                      0.00                 
Lansing                          0.00    0.0     0    
Manhattan                        0.00    0.0     0    
Marseilles                       0.00                 
Mendota                          0.00                 
Moline/Quad-City 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    
St Anne                          0.00                 
Steward                          0.00    0.0     0    
Stockton                         0.00    0.0     0    
Watseka                          0.00    0.0          
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 

...CENTRAL ILLINOIS...
Aledo                            0.00    0.0     0    
Athens 4SW                       0.00                 
Avon                             0.00    0.0     0    
Bloomington/Cntrl IL Rgl Arpt    0.00                 
Champaign/Willard Arpt           0.00                 
Coles County Arpt                0.00                 
Decatur Arpt                     0.00                 
Galesburg Water Plant            0.00                 
Gladstone L&D 18                 0.00                 
Jacksonville 2                   0.00    0.0     0    
La Harpe                         0.00                 
Lake Springfield                 0.00                 
Lincoln NWS                      0.00            0    
Macomb                           0.00    0.0     0    
Morrisonville                    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                 
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                 
Springfield/Capital Arpt         0.00                 
Sullivan 3S                      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    0.0     0    
Anna                             0.00                 
Beecher City                     0.00                 
Cahokia/Parks Arpt               0.00                 
Carbondale/Southern IL Arpt      0.00                 
Casey                            0.00    0.0     0    
Edwardsville 2 W                 0.00                 
Grand Chain Dam                  0.00                 
Highland                         0.00    0.0     0    
Iuka 12 SW                       0.00                 
Kaskaskia L&D                    0.00                 
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 CDT Sun Jun 1 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...
Aurora                           0.00    0.0     0    
Aurora/Sugar Grove Arpt          0.00                 
Barrington                       0.00                 
Batavia                          0.00    0.0     0    
Bourbonnais                      0.00    0.0     0    
Chicago Midway Arpt              0.00                 
Chicago Midway COOP              0.00    0.0     0    
Chicago O'Hare Arpt              0.00                 
Coal City 4NNW                   0.00    0.0     0    
DeKalb Northern IL Univ          0.00    0.0     0    
Dwight                           0.00                 
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                 
Illinois City L&D 16             0.00    0.0     0    
Kewanee                          0.00    0.0     0    
Lake Zurich                      0.00                 
Lansing                          0.00    0.0     0    
Manhattan                        0.00    0.0     0    
Marseilles                       0.00                 
Mendota                          0.00                 
Moline/Quad-City 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    
St Anne                          0.00                 
Steward                          0.00    0.0     0    
Stockton                         0.00    0.0     0    
Watseka                          0.00    0.0          
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 

...CENTRAL ILLINOIS...
Aledo                            0.00    0.0     0    
Athens 4SW                       0.00                 
Avon                             0.00    0.0     0    
Bloomington/Cntrl IL Rgl Arpt    0.00                 
Champaign/Willard Arpt           0.00                 
Coles County Arpt                0.00                 
Decatur Arpt                     0.00                 
Galesburg Water Plant            0.00                 
Gladstone L&D 18                 0.00                 
Jacksonville 2                   0.00    0.0     0    
La Harpe                         0.00                 
Lake Springfield                 0.00                 
Lincoln NWS                      0.00            0    
Macomb                           0.00    0.0     0    
Morrisonville                    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                 
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                 
Springfield/Capital Arpt         0.00                 
Sullivan 3S                      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    0.0     0    
Anna                             0.00                 
Beecher City                     0.00                 
Cahokia/Parks Arpt               0.00                 
Carbondale/Southern IL Arpt      0.00                 
Casey                            0.00    0.0     0    
Edwardsville 2 W                 0.00                 
Grand Chain Dam                  0.00                 
Highland                         0.00    0.0     0    
Iuka 12 SW                       0.00                 
Kaskaskia L&D                    0.00                 
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 CDT Sun Jun 1 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...
Aurora                           0.00    0.0     0    
Aurora/Sugar Grove Arpt          0.00                 
Barrington                       0.00                 
Batavia                          0.00    0.0     0    
Bourbonnais                      0.00    0.0     0    
Chicago Midway Arpt              0.00                 
Chicago Midway COOP              0.00    0.0     0    
Chicago O'Hare Arpt              0.00                 
Coal City 4NNW                   0.00    0.0     0    
DeKalb Northern IL Univ          0.00    0.0     0    
Dwight                           0.00                 
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                 
Illinois City L&D 16             0.00    0.0     0    
Kewanee                          0.00    0.0     0    
Lake Zurich                      0.00                 
Lansing                          0.00    0.0     0    
Manhattan                        0.00    0.0     0    
Marseilles                       0.00                 
Mendota                          0.00                 
Moline/Quad-City 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    
St Anne                          0.00                 
Steward                          0.00    0.0     0    
Stockton                         0.00    0.0     0    
Watseka                          0.00    0.0          
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 

...CENTRAL ILLINOIS...
Aledo                            0.00    0.0     0    
Athens 4SW                       0.00                 
Avon                             0.00    0.0     0    
Bloomington/Cntrl IL Rgl Arpt    0.00                 
Champaign/Willard Arpt           0.00                 
Coles County Arpt                0.00                 
Decatur Arpt                     0.00                 
Galesburg Water Plant            0.00                 
Gladstone L&D 18                 0.00                 
Jacksonville 2                   0.00    0.0     0    
La Harpe                         0.00                 
Lake Springfield                 0.00                 
Lincoln NWS                      0.00            0    
Macomb                           0.00    0.0     0    
Morrisonville                    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                 
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                 
Springfield/Capital Arpt         0.00                 
Sullivan 3S                      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    0.0     0    
Anna                             0.00                 
Beecher City                     0.00                 
Cahokia/Parks Arpt               0.00                 
Carbondale/Southern IL Arpt      0.00                 
Casey                            0.00    0.0     0    
Edwardsville 2 W                 0.00                 
Grand Chain Dam                  0.00                 
Highland                         0.00    0.0     0    
Iuka 12 SW                       0.00                 
Kaskaskia L&D                    0.00                 
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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