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
 
933 AM CDT Fri Jun 26 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                            79     61  
Aurora/Sugar Grove Arpt           78     58  
Barrington                        76     56  
Batavia                           82     61  
Chicago Midway Arpt               80     62  
Chicago O'Hare Arpt               79     61  
Coal City 4NNW                    82     61  
DeKalb Municipal Arpt             77     58  
DeKalb Northern IL Univ           78     60  
Elgin                             79     58  
Freeport                          79     60  
Freeport/Albertus Arpt            78     59  
Greater Kankakee Arpt             81     60  
Illinois City L&D 16              87     65  
Joliet Rgl Arpt                   82     58  
Lansing Municipal Arpt            80     58  
Marseilles                        84     64  
Moline/Quad Cities Arpt           80     60  
Morris                            80     63  
New Boston L&D 17                 85     65  
Ottawa                            78     62  
Park Forest                       80     60  
Peru/IL Valley Rgl Arpt           79     63  
Rochelle Municipal Arpt           78     55  
Romeoville/NWS Chicago            79     60  
Savanna/Tri-Township Arpt         80     61  
Schaumburg Rgl Arpt               79     60  
Sterling/Rock Falls Arpt          80     60  
Stockton                          77     58  
Waukegan Rgl Arpt                 78     53  
West Chicago/DuPage Arpt          78     57  
Wheeling/Chicago Exec Arpt        79     57  

...CENTRAL ILLINOIS...
Aledo                             79     65  
Bentley                           81     65  
Bloomington/Cntrl IL Rgl Arpt     82     63  
Champaign 3S                      82     66  
Champaign/Willard Arpt            81     65  
Coles County Arpt                 82     65  
Danville/Vermilion Rgl Arpt       82     64  
Decatur Arpt                      82     66  
Edgar County Arpt                 81     65  
Galesburg Municipal Arpt          78     62  
Galesburg Water Plant             78     66  
Jacksonville Municipal Arpt       81     66  
Jerseyville 2 SW                  86     67  
Knoxville                         77     65  
La Harpe                          79     64  
Lacon/Marshall Co Arpt            81     63  
Lincoln NWS                       81     62  
Macomb Municipal Arpt             81     63  
Normal 4NE                        83     64  
Ogden                             86     64  
Pana                              85     68  
Paris                             82     65  
Peoria Intl Arpt                  80     65  
Pittsfield/Penstone Arpt          81     67  
Pontiac Municipal Arpt            80     59  
Quincy L&D 21                     84     67  
Quincy Rgl Arpt                   81     65  
Shelbyville Dam                   82     68  
Sidell 4N                         85     67  
Springfield/Capital Arpt          82     65  
Tuscola                           82     67  
White Hall 1 E                    82     67  
Windsor                           81     66  

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D               84     69  
Anna                              87     68  
Cahokia/Parks Arpt                88     67  
Carbondale                        88     69  
Carbondale/Southern IL Arpt       90     65  
Casey                             83     63  
Crawford County Arpt              81     65  
Effingham Co Arpt                 84     66  
Fairfield                         87     69  
Fairfield Municipal Arpt          87     64  
Grand Chain Dam                   87     68  
Harrisburg Arpt                   89     67  
Kaskaskia L&D                     90     68  
Lawrenceville 2WSW                80     68  
Lawrenceville/Vincennes Arpt      81     65  
Millstadt                         86     67  
Mt Carmel Municipal Arpt          83     66  
Mt Vernon                         84     69  
Olney/Noble Arpt                  84     67  
Robinson                          82     68  
Salem                             87     71  
Salem/Leckrone Arpt               86     70  
Smithland Dam                     89     70  

$$


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


 

24-hour low temperatures

Observed data from NWS, FAA, and cooperative weather observers

 

933 AM CDT Fri Jun 26 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                            79     61  
Aurora/Sugar Grove Arpt           78     58  
Barrington                        76     56  
Batavia                           82     61  
Chicago Midway Arpt               80     62  
Chicago O'Hare Arpt               79     61  
Coal City 4NNW                    82     61  
DeKalb Municipal Arpt             77     58  
DeKalb Northern IL Univ           78     60  
Elgin                             79     58  
Freeport                          79     60  
Freeport/Albertus Arpt            78     59  
Greater Kankakee Arpt             81     60  
Illinois City L&D 16              87     65  
Joliet Rgl Arpt                   82     58  
Lansing Municipal Arpt            80     58  
Marseilles                        84     64  
Moline/Quad Cities Arpt           80     60  
Morris                            80     63  
New Boston L&D 17                 85     65  
Ottawa                            78     62  
Park Forest                       80     60  
Peru/IL Valley Rgl Arpt           79     63  
Rochelle Municipal Arpt           78     55  
Romeoville/NWS Chicago            79     60  
Savanna/Tri-Township Arpt         80     61  
Schaumburg Rgl Arpt               79     60  
Sterling/Rock Falls Arpt          80     60  
Stockton                          77     58  
Waukegan Rgl Arpt                 78     53  
West Chicago/DuPage Arpt          78     57  
Wheeling/Chicago Exec Arpt        79     57  

...CENTRAL ILLINOIS...
Aledo                             79     65  
Bentley                           81     65  
Bloomington/Cntrl IL Rgl Arpt     82     63  
Champaign 3S                      82     66  
Champaign/Willard Arpt            81     65  
Coles County Arpt                 82     65  
Danville/Vermilion Rgl Arpt       82     64  
Decatur Arpt                      82     66  
Edgar County Arpt                 81     65  
Galesburg Municipal Arpt          78     62  
Galesburg Water Plant             78     66  
Jacksonville Municipal Arpt       81     66  
Jerseyville 2 SW                  86     67  
Knoxville                         77     65  
La Harpe                          79     64  
Lacon/Marshall Co Arpt            81     63  
Lincoln NWS                       81     62  
Macomb Municipal Arpt             81     63  
Normal 4NE                        83     64  
Ogden                             86     64  
Pana                              85     68  
Paris                             82     65  
Peoria Intl Arpt                  80     65  
Pittsfield/Penstone Arpt          81     67  
Pontiac Municipal Arpt            80     59  
Quincy L&D 21                     84     67  
Quincy Rgl Arpt                   81     65  
Shelbyville Dam                   82     68  
Sidell 4N                         85     67  
Springfield/Capital Arpt          82     65  
Tuscola                           82     67  
White Hall 1 E                    82     67  
Windsor                           81     66  

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D               84     69  
Anna                              87     68  
Cahokia/Parks Arpt                88     67  
Carbondale                        88     69  
Carbondale/Southern IL Arpt       90     65  
Casey                             83     63  
Crawford County Arpt              81     65  
Effingham Co Arpt                 84     66  
Fairfield                         87     69  
Fairfield Municipal Arpt          87     64  
Grand Chain Dam                   87     68  
Harrisburg Arpt                   89     67  
Kaskaskia L&D                     90     68  
Lawrenceville 2WSW                80     68  
Lawrenceville/Vincennes Arpt      81     65  
Millstadt                         86     67  
Mt Carmel Municipal Arpt          83     66  
Mt Vernon                         84     69  
Olney/Noble Arpt                  84     67  
Robinson                          82     68  
Salem                             87     71  
Salem/Leckrone Arpt               86     70  
Smithland Dam                     89     70  

$$


               

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

934 AM CDT Fri Jun 26 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                           0.01    0.0     0    
Aurora/Sugar Grove Arpt          0.00                 
Barrington                       0.02                 
Batavia                          0.00    0.0     0    
Bourbonnais                      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    
Elgin                            0.00    0.0     0    
Elgin                            0.00    0.0     0    
Freeport                           T     0.0     0    
Hebron                           0.00    0.0     0    
Illinois City L&D 16             0.00    0.0     0    
Lake Zurich                      0.00                 
Lansing                          0.00    0.0     0    
Marseilles                       0.00                 
Moline/Quad Cities Arpt          0.00                 
Morris                             T     0.0     0    
New Boston L&D 17                0.00                 
Ottawa                           0.02                 
Park Forest                      0.00    0.0     0    
Peotone                          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    
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 
Woodstock 5NW                    0.00                 

...CENTRAL ILLINOIS...
Aledo                            0.00    0.0     0    
Athens 4SW                       0.00                 
Bentley                          0.08                 
Bloomington Waterworks           0.00    0.0     0    
Bloomington/Cntrl IL Rgl Arpt    0.00                 
Champaign 3S                     0.00    0.0     0    
Champaign/Willard Arpt           0.00                 
Clinton 1SSW                     0.01                 
Coles County Arpt                0.74                 
Decatur Arpt                     0.00                 
Fisher                           0.03                 
Galesburg Water Plant            0.00                 
Havana                           0.10                 
Jerseyville 2 SW                 0.18    0.0     0    
Knoxville                        0.00                 
La Harpe                           T                  
Lake Springfield                 0.00                 
Lincoln NWS                        T             0    
Lovington                        0.05    0.0     0    
Macomb                           0.10    0.0          
Mattoon                          0.44    0.0     0    
Medora                           0.41    0.0     0    
Morton                           0.04    0.0     0    
Mount Olive 1 E                  0.71                 
Mount Pulaski                    0.03    0.0     0    
Moweaqua 2S                      0.16    0.0     0    
Normal 4NE                         T     0.0     0    
Ogden                              T     0.0     0    
Pana                             0.10    0.0     0    
Paris                            0.20    0.0     0    
Peoria 5NW                       0.02    0.0     0    
Peoria Intl Arpt                 0.00                 
Quincy L&D 21                    0.08    0.0     0    
Quincy Rgl Arpt                  0.02                 
Rantoul                          0.04    0.0     0    
Roanoke                            T     0.0     0    
Shelbyville Dam                  0.02    0.0     0    
Sherman                          0.00    0.0     0    
Sidell 4N                          T     0.0     0    
Springfield/Capital Arpt         0.00                 
Tuscola                          0.00    0.0     0    
White Hall 1 E                   0.01                 
Windsor                          0.03    0.0     0    
Yates City                       0.00    0.0     0    

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D              1.50                 
Anna                             1.83                 
Cahokia/Parks Arpt               0.56                 
Carbondale                       1.22    0.0     0    
Carbondale/Southern IL Arpt      0.42                 
Casey                            0.45    0.0     0    
Centralia                        0.10                 
Chester                          2.61    0.0     0    
Clay City 6SSE                   1.90    0.0     0    
Edwardsville 2 W                 0.37                 
Effingham Water Plant            0.38                 
Fairfield                        0.24    0.0     0    
Flora                            0.75    0.0     0    
Grand Chain Dam                  2.00                 
Highland                         1.03    0.0     0    
Kaskaskia L&D                    2.10                 
Lawrenceville 2WSW               0.62    0.0     0    
Lawrenceville/Vincennes Arpt     1.01                 
Medora                           0.41    0.0     0    
Millstadt                        0.48                 
Mt Vernon                        0.34                 
Robinson                         0.15    0.0     0    
Salem                            0.10                 
Smithland Dam                    0.58                 

$$

                 




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

934 AM CDT Fri Jun 26 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                           0.01    0.0     0    
Aurora/Sugar Grove Arpt          0.00                 
Barrington                       0.02                 
Batavia                          0.00    0.0     0    
Bourbonnais                      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    
Elgin                            0.00    0.0     0    
Elgin                            0.00    0.0     0    
Freeport                           T     0.0     0    
Hebron                           0.00    0.0     0    
Illinois City L&D 16             0.00    0.0     0    
Lake Zurich                      0.00                 
Lansing                          0.00    0.0     0    
Marseilles                       0.00                 
Moline/Quad Cities Arpt          0.00                 
Morris                             T     0.0     0    
New Boston L&D 17                0.00                 
Ottawa                           0.02                 
Park Forest                      0.00    0.0     0    
Peotone                          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    
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 
Woodstock 5NW                    0.00                 

...CENTRAL ILLINOIS...
Aledo                            0.00    0.0     0    
Athens 4SW                       0.00                 
Bentley                          0.08                 
Bloomington Waterworks           0.00    0.0     0    
Bloomington/Cntrl IL Rgl Arpt    0.00                 
Champaign 3S                     0.00    0.0     0    
Champaign/Willard Arpt           0.00                 
Clinton 1SSW                     0.01                 
Coles County Arpt                0.74                 
Decatur Arpt                     0.00                 
Fisher                           0.03                 
Galesburg Water Plant            0.00                 
Havana                           0.10                 
Jerseyville 2 SW                 0.18    0.0     0    
Knoxville                        0.00                 
La Harpe                           T                  
Lake Springfield                 0.00                 
Lincoln NWS                        T             0    
Lovington                        0.05    0.0     0    
Macomb                           0.10    0.0          
Mattoon                          0.44    0.0     0    
Medora                           0.41    0.0     0    
Morton                           0.04    0.0     0    
Mount Olive 1 E                  0.71                 
Mount Pulaski                    0.03    0.0     0    
Moweaqua 2S                      0.16    0.0     0    
Normal 4NE                         T     0.0     0    
Ogden                              T     0.0     0    
Pana                             0.10    0.0     0    
Paris                            0.20    0.0     0    
Peoria 5NW                       0.02    0.0     0    
Peoria Intl Arpt                 0.00                 
Quincy L&D 21                    0.08    0.0     0    
Quincy Rgl Arpt                  0.02                 
Rantoul                          0.04    0.0     0    
Roanoke                            T     0.0     0    
Shelbyville Dam                  0.02    0.0     0    
Sherman                          0.00    0.0     0    
Sidell 4N                          T     0.0     0    
Springfield/Capital Arpt         0.00                 
Tuscola                          0.00    0.0     0    
White Hall 1 E                   0.01                 
Windsor                          0.03    0.0     0    
Yates City                       0.00    0.0     0    

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D              1.50                 
Anna                             1.83                 
Cahokia/Parks Arpt               0.56                 
Carbondale                       1.22    0.0     0    
Carbondale/Southern IL Arpt      0.42                 
Casey                            0.45    0.0     0    
Centralia                        0.10                 
Chester                          2.61    0.0     0    
Clay City 6SSE                   1.90    0.0     0    
Edwardsville 2 W                 0.37                 
Effingham Water Plant            0.38                 
Fairfield                        0.24    0.0     0    
Flora                            0.75    0.0     0    
Grand Chain Dam                  2.00                 
Highland                         1.03    0.0     0    
Kaskaskia L&D                    2.10                 
Lawrenceville 2WSW               0.62    0.0     0    
Lawrenceville/Vincennes Arpt     1.01                 
Medora                           0.41    0.0     0    
Millstadt                        0.48                 
Mt Vernon                        0.34                 
Robinson                         0.15    0.0     0    
Salem                            0.10                 
Smithland Dam                    0.58                 

$$


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

934 AM CDT Fri Jun 26 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                           0.01    0.0     0    
Aurora/Sugar Grove Arpt          0.00                 
Barrington                       0.02                 
Batavia                          0.00    0.0     0    
Bourbonnais                      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    
Elgin                            0.00    0.0     0    
Elgin                            0.00    0.0     0    
Freeport                           T     0.0     0    
Hebron                           0.00    0.0     0    
Illinois City L&D 16             0.00    0.0     0    
Lake Zurich                      0.00                 
Lansing                          0.00    0.0     0    
Marseilles                       0.00                 
Moline/Quad Cities Arpt          0.00                 
Morris                             T     0.0     0    
New Boston L&D 17                0.00                 
Ottawa                           0.02                 
Park Forest                      0.00    0.0     0    
Peotone                          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    
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 
Woodstock 5NW                    0.00                 

...CENTRAL ILLINOIS...
Aledo                            0.00    0.0     0    
Athens 4SW                       0.00                 
Bentley                          0.08                 
Bloomington Waterworks           0.00    0.0     0    
Bloomington/Cntrl IL Rgl Arpt    0.00                 
Champaign 3S                     0.00    0.0     0    
Champaign/Willard Arpt           0.00                 
Clinton 1SSW                     0.01                 
Coles County Arpt                0.74                 
Decatur Arpt                     0.00                 
Fisher                           0.03                 
Galesburg Water Plant            0.00                 
Havana                           0.10                 
Jerseyville 2 SW                 0.18    0.0     0    
Knoxville                        0.00                 
La Harpe                           T                  
Lake Springfield                 0.00                 
Lincoln NWS                        T             0    
Lovington                        0.05    0.0     0    
Macomb                           0.10    0.0          
Mattoon                          0.44    0.0     0    
Medora                           0.41    0.0     0    
Morton                           0.04    0.0     0    
Mount Olive 1 E                  0.71                 
Mount Pulaski                    0.03    0.0     0    
Moweaqua 2S                      0.16    0.0     0    
Normal 4NE                         T     0.0     0    
Ogden                              T     0.0     0    
Pana                             0.10    0.0     0    
Paris                            0.20    0.0     0    
Peoria 5NW                       0.02    0.0     0    
Peoria Intl Arpt                 0.00                 
Quincy L&D 21                    0.08    0.0     0    
Quincy Rgl Arpt                  0.02                 
Rantoul                          0.04    0.0     0    
Roanoke                            T     0.0     0    
Shelbyville Dam                  0.02    0.0     0    
Sherman                          0.00    0.0     0    
Sidell 4N                          T     0.0     0    
Springfield/Capital Arpt         0.00                 
Tuscola                          0.00    0.0     0    
White Hall 1 E                   0.01                 
Windsor                          0.03    0.0     0    
Yates City                       0.00    0.0     0    

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D              1.50                 
Anna                             1.83                 
Cahokia/Parks Arpt               0.56                 
Carbondale                       1.22    0.0     0    
Carbondale/Southern IL Arpt      0.42                 
Casey                            0.45    0.0     0    
Centralia                        0.10                 
Chester                          2.61    0.0     0    
Clay City 6SSE                   1.90    0.0     0    
Edwardsville 2 W                 0.37                 
Effingham Water Plant            0.38                 
Fairfield                        0.24    0.0     0    
Flora                            0.75    0.0     0    
Grand Chain Dam                  2.00                 
Highland                         1.03    0.0     0    
Kaskaskia L&D                    2.10                 
Lawrenceville 2WSW               0.62    0.0     0    
Lawrenceville/Vincennes Arpt     1.01                 
Medora                           0.41    0.0     0    
Millstadt                        0.48                 
Mt Vernon                        0.34                 
Robinson                         0.15    0.0     0    
Salem                            0.10                 
Smithland Dam                    0.58                 

$$

             




 

 

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