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 CDT Sun Apr 5 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                            54     37  
Aurora/Sugar Grove Arpt           51     34  
Barrington                        51     35  
Chicago Midway Arpt               60     38  
Chicago Midway COOP               60     38  
Chicago O'Hare Arpt               56     37  
Coal City 4NNW                    58     36  
DeKalb Municipal Arpt             50     34  
DeKalb Northern IL Univ           50     34  
Elgin                             52     35  
Elizabeth                         43     34  
Freeport                          44     33  
Freeport/Albertus Arpt            46     34  
Greater Kankakee Arpt             67     37  
Illinois City L&D 16              46     37  
Joliet Rgl Arpt                   59     38  
Kewanee                           44     34  
Lansing Municipal Arpt            62     37  
Marseilles                        59     40  
Moline/Quad Cities Arpt           52     35  
Morris Municipal Arpt             56     35  
New Boston L&D 17                 46     37  
Park Forest                       61     38  
Peru/IL Valley Rgl Arpt           52     37  
Rochelle Municipal Arpt           51     34  
Romeoville/NWS Chicago            58     35  
Savanna/Tri-Township Arpt         45     35  
Schaumburg Rgl Arpt               52     37  
Sterling/Rock Falls Arpt          50     35  
Stockton                          43     32  
Waukegan Rgl Arpt                 51     37  
West Chicago/DuPage Arpt          52     36  
Wheeling/Chicago Exec Arpt        53     37  

...CENTRAL ILLINOIS...
Avon                              44     34  
Bloomington/Cntrl IL Rgl Arpt     69     36  
Champaign 3S                                 
Champaign/Willard Arpt            69     37  
Coles County Arpt                 72     38  
Danville/Vermilion Rgl Arpt       71     40  
Decatur Arpt                      72     38  
Edgar County Arpt                 70     40  
Galesburg Municipal Arpt          45     33  
Galesburg Water Plant             44     33  
Gladstone L&D 18                  67     38  
Jacksonville 2                    66     37  
Jacksonville Municipal Arpt       72     36  
Knoxville                         45     34  
La Harpe                          45     34  
Lacon/Marshall Co Arpt            55     37  
Lincoln NWS                       70     35  
Macomb Municipal Arpt             67     35  
Minonk                            53     35  
Normal 4NE                        65     40  
Ogden                             68     40  
Pana                              64     38  
Paris                             67     40  
Peoria Intl Arpt                  66     35  
Pittsfield/Penstone Arpt          74     38  
Pontiac Municipal Arpt            66     37  
Quincy L&D 21                     82     41  
Quincy Rgl Arpt                   72     36  
Rantoul Aviation Center           69     38  
Sidell 4N                         68     43  
Springfield/Capital Arpt          72     38  
Tuscola                           63     38  
White Hall 1 E                    55     38  
Windsor                           63     39  

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D               59     41  
Anna                              65     40  
Cahokia/Parks Arpt                75     41  
Carbondale/Southern IL Arpt       75     40  
Crawford County Arpt              72     40  
Effingham Co Arpt                 73     39  
Fairfield Municipal Arpt          72     39  
Grand Chain Dam                   67     39  
Harrisburg Arpt                   76     38  
Kaskaskia L&D                     65     40  
Lawrenceville/Vincennes Arpt      72     40  
Millstadt                         61     39  
Mt Carmel Municipal Arpt          74     47  
Olney/Noble Arpt                  73     40  
Salem                             66     41  
Salem/Leckrone Arpt               76     42  
Smithland Dam                     70     40  
Sparta Community Arpt             74     39  

$$

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 Apr 5 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                            54     37  
Aurora/Sugar Grove Arpt           51     34  
Barrington                        51     35  
Chicago Midway Arpt               60     38  
Chicago Midway COOP               60     38  
Chicago O'Hare Arpt               56     37  
Coal City 4NNW                    58     36  
DeKalb Municipal Arpt             50     34  
DeKalb Northern IL Univ           50     34  
Elgin                             52     35  
Elizabeth                         43     34  
Freeport                          44     33  
Freeport/Albertus Arpt            46     34  
Greater Kankakee Arpt             67     37  
Illinois City L&D 16              46     37  
Joliet Rgl Arpt                   59     38  
Kewanee                           44     34  
Lansing Municipal Arpt            62     37  
Marseilles                        59     40  
Moline/Quad Cities Arpt           52     35  
Morris Municipal Arpt             56     35  
New Boston L&D 17                 46     37  
Park Forest                       61     38  
Peru/IL Valley Rgl Arpt           52     37  
Rochelle Municipal Arpt           51     34  
Romeoville/NWS Chicago            58     35  
Savanna/Tri-Township Arpt         45     35  
Schaumburg Rgl Arpt               52     37  
Sterling/Rock Falls Arpt          50     35  
Stockton                          43     32  
Waukegan Rgl Arpt                 51     37  
West Chicago/DuPage Arpt          52     36  
Wheeling/Chicago Exec Arpt        53     37  

...CENTRAL ILLINOIS...
Avon                              44     34  
Bloomington/Cntrl IL Rgl Arpt     69     36  
Champaign 3S                                 
Champaign/Willard Arpt            69     37  
Coles County Arpt                 72     38  
Danville/Vermilion Rgl Arpt       71     40  
Decatur Arpt                      72     38  
Edgar County Arpt                 70     40  
Galesburg Municipal Arpt          45     33  
Galesburg Water Plant             44     33  
Gladstone L&D 18                  67     38  
Jacksonville 2                    66     37  
Jacksonville Municipal Arpt       72     36  
Knoxville                         45     34  
La Harpe                          45     34  
Lacon/Marshall Co Arpt            55     37  
Lincoln NWS                       70     35  
Macomb Municipal Arpt             67     35  
Minonk                            53     35  
Normal 4NE                        65     40  
Ogden                             68     40  
Pana                              64     38  
Paris                             67     40  
Peoria Intl Arpt                  66     35  
Pittsfield/Penstone Arpt          74     38  
Pontiac Municipal Arpt            66     37  
Quincy L&D 21                     82     41  
Quincy Rgl Arpt                   72     36  
Rantoul Aviation Center           69     38  
Sidell 4N                         68     43  
Springfield/Capital Arpt          72     38  
Tuscola                           63     38  
White Hall 1 E                    55     38  
Windsor                           63     39  

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D               59     41  
Anna                              65     40  
Cahokia/Parks Arpt                75     41  
Carbondale/Southern IL Arpt       75     40  
Crawford County Arpt              72     40  
Effingham Co Arpt                 73     39  
Fairfield Municipal Arpt          72     39  
Grand Chain Dam                   67     39  
Harrisburg Arpt                   76     38  
Kaskaskia L&D                     65     40  
Lawrenceville/Vincennes Arpt      72     40  
Millstadt                         61     39  
Mt Carmel Municipal Arpt          74     47  
Olney/Noble Arpt                  73     40  
Salem                             66     41  
Salem/Leckrone Arpt               76     42  
Smithland Dam                     70     40  
Sparta Community Arpt             74     39  

$$

               

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 Apr 5 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                           0.02    0.0     0    
Aurora/Sugar Grove Arpt          0.00                 
Barrington                       0.00    0.0     0    
Bourbonnais                      0.15    0.0     0    
Chatsworth                         T     0.0     0    
Chicago Midway Arpt              0.11                 
Chicago O'Hare Arpt              0.03                 
Coal City 4NNW                   0.07    0.0     0    
DeKalb Northern IL Univ            T     0.0     0    
Elgin                            0.02    0.0     0    
Elgin                            0.01    0.0     0    
Elizabeth                          T     0.0     0    
Freeport                           T     0.0     0    
Hebron                             T     0.0     0    
Illinois City L&D 16             0.00                 
Kewanee                          0.00    0.0     0    
Lake Zurich                        T     0.0     0    
Lansing                          0.11    0.0     0    
Manhattan                        0.05    0.0     0    
Marseilles                       0.01                 
Mendota                          0.00                 
Moline/Quad Cities Arpt          0.00                 
New Boston L&D 17                0.00                 
Park Forest                      0.56    0.0     0    
Peotone                          0.25    0.0     0    
Romeoville/NWS Chicago           0.07    0.0     0    
Steward                          1.42    0.0     0    
Stockton                         0.02    0.0     0    
Waukegan Rgl Arpt                0.01                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 
Woodstock 5NW                    0.01    0.0     0    

...CENTRAL ILLINOIS...
Athens 4SW                       0.09                 
Avon                               T     0.0     0    
Bloomington/Cntrl IL Rgl Arpt    0.07                 
Champaign/Willard Arpt           0.40                 
Cisco                            0.16    0.0     0    
Coles County Arpt                0.55                 
Decatur Arpt                     0.21                 
Galesburg Water Plant            0.00                 
Gladstone L&D 18                 0.00    0.0     0    
Havana                           0.00                 
Jacksonville 2                   0.02    0.0     0    
Knoxville                        0.00    0.0     0    
La Harpe                         0.00                 
Lake Springfield                 0.29                 
Lincoln NWS                      0.11    0.0     0    
Lovington                        0.38                 
Mattoon                          0.80    0.0     0    
Minonk                           0.02                 
Mount Pulaski                    0.12    0.0     0    
Moweaqua 2S                      0.35                 
Normal 4NE                       0.10    0.0     0    
Ogden                            0.31    0.0     0    
Pana                             0.35    0.0     0    
Paris                            0.30    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                          0.24                 
Sidell 4N                        0.55    0.0     0    
Springfield/Capital Arpt         0.11                 
Tuscola                          0.42    0.0     0    
White Hall 1 E                   0.00    0.0     0    
Windsor                          0.64    0.0     0    

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D              0.00                 
Cahokia/Parks Arpt               0.09                 
Carbondale/Southern IL Arpt      0.40                 
Clay City 6SSE                   0.39    0.0     0    
Edwardsville 2 W                 0.06                 
Grand Chain Dam                  0.80                 
Highland                         0.23    0.0     0    
Kaskaskia L&D                    0.66    0.0     0    
Lawrenceville/Vincennes Arpt     0.63                 
Millstadt                        0.08                 
Salem                            0.10    0.0     0    
Smithland Dam                    0.83                 

$$
                 




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 Apr 5 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                           0.02    0.0     0    
Aurora/Sugar Grove Arpt          0.00                 
Barrington                       0.00    0.0     0    
Bourbonnais                      0.15    0.0     0    
Chatsworth                         T     0.0     0    
Chicago Midway Arpt              0.11                 
Chicago O'Hare Arpt              0.03                 
Coal City 4NNW                   0.07    0.0     0    
DeKalb Northern IL Univ            T     0.0     0    
Elgin                            0.02    0.0     0    
Elgin                            0.01    0.0     0    
Elizabeth                          T     0.0     0    
Freeport                           T     0.0     0    
Hebron                             T     0.0     0    
Illinois City L&D 16             0.00                 
Kewanee                          0.00    0.0     0    
Lake Zurich                        T     0.0     0    
Lansing                          0.11    0.0     0    
Manhattan                        0.05    0.0     0    
Marseilles                       0.01                 
Mendota                          0.00                 
Moline/Quad Cities Arpt          0.00                 
New Boston L&D 17                0.00                 
Park Forest                      0.56    0.0     0    
Peotone                          0.25    0.0     0    
Romeoville/NWS Chicago           0.07    0.0     0    
Steward                          1.42    0.0     0    
Stockton                         0.02    0.0     0    
Waukegan Rgl Arpt                0.01                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 
Woodstock 5NW                    0.01    0.0     0    

...CENTRAL ILLINOIS...
Athens 4SW                       0.09                 
Avon                               T     0.0     0    
Bloomington/Cntrl IL Rgl Arpt    0.07                 
Champaign/Willard Arpt           0.40                 
Cisco                            0.16    0.0     0    
Coles County Arpt                0.55                 
Decatur Arpt                     0.21                 
Galesburg Water Plant            0.00                 
Gladstone L&D 18                 0.00    0.0     0    
Havana                           0.00                 
Jacksonville 2                   0.02    0.0     0    
Knoxville                        0.00    0.0     0    
La Harpe                         0.00                 
Lake Springfield                 0.29                 
Lincoln NWS                      0.11    0.0     0    
Lovington                        0.38                 
Mattoon                          0.80    0.0     0    
Minonk                           0.02                 
Mount Pulaski                    0.12    0.0     0    
Moweaqua 2S                      0.35                 
Normal 4NE                       0.10    0.0     0    
Ogden                            0.31    0.0     0    
Pana                             0.35    0.0     0    
Paris                            0.30    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                          0.24                 
Sidell 4N                        0.55    0.0     0    
Springfield/Capital Arpt         0.11                 
Tuscola                          0.42    0.0     0    
White Hall 1 E                   0.00    0.0     0    
Windsor                          0.64    0.0     0    

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D              0.00                 
Cahokia/Parks Arpt               0.09                 
Carbondale/Southern IL Arpt      0.40                 
Clay City 6SSE                   0.39    0.0     0    
Edwardsville 2 W                 0.06                 
Grand Chain Dam                  0.80                 
Highland                         0.23    0.0     0    
Kaskaskia L&D                    0.66    0.0     0    
Lawrenceville/Vincennes Arpt     0.63                 
Millstadt                        0.08                 
Salem                            0.10    0.0     0    
Smithland Dam                    0.83                 

$$

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 Apr 5 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                           0.02    0.0     0    
Aurora/Sugar Grove Arpt          0.00                 
Barrington                       0.00    0.0     0    
Bourbonnais                      0.15    0.0     0    
Chatsworth                         T     0.0     0    
Chicago Midway Arpt              0.11                 
Chicago O'Hare Arpt              0.03                 
Coal City 4NNW                   0.07    0.0     0    
DeKalb Northern IL Univ            T     0.0     0    
Elgin                            0.02    0.0     0    
Elgin                            0.01    0.0     0    
Elizabeth                          T     0.0     0    
Freeport                           T     0.0     0    
Hebron                             T     0.0     0    
Illinois City L&D 16             0.00                 
Kewanee                          0.00    0.0     0    
Lake Zurich                        T     0.0     0    
Lansing                          0.11    0.0     0    
Manhattan                        0.05    0.0     0    
Marseilles                       0.01                 
Mendota                          0.00                 
Moline/Quad Cities Arpt          0.00                 
New Boston L&D 17                0.00                 
Park Forest                      0.56    0.0     0    
Peotone                          0.25    0.0     0    
Romeoville/NWS Chicago           0.07    0.0     0    
Steward                          1.42    0.0     0    
Stockton                         0.02    0.0     0    
Waukegan Rgl Arpt                0.01                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 
Woodstock 5NW                    0.01    0.0     0    

...CENTRAL ILLINOIS...
Athens 4SW                       0.09                 
Avon                               T     0.0     0    
Bloomington/Cntrl IL Rgl Arpt    0.07                 
Champaign/Willard Arpt           0.40                 
Cisco                            0.16    0.0     0    
Coles County Arpt                0.55                 
Decatur Arpt                     0.21                 
Galesburg Water Plant            0.00                 
Gladstone L&D 18                 0.00    0.0     0    
Havana                           0.00                 
Jacksonville 2                   0.02    0.0     0    
Knoxville                        0.00    0.0     0    
La Harpe                         0.00                 
Lake Springfield                 0.29                 
Lincoln NWS                      0.11    0.0     0    
Lovington                        0.38                 
Mattoon                          0.80    0.0     0    
Minonk                           0.02                 
Mount Pulaski                    0.12    0.0     0    
Moweaqua 2S                      0.35                 
Normal 4NE                       0.10    0.0     0    
Ogden                            0.31    0.0     0    
Pana                             0.35    0.0     0    
Paris                            0.30    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                          0.24                 
Sidell 4N                        0.55    0.0     0    
Springfield/Capital Arpt         0.11                 
Tuscola                          0.42    0.0     0    
White Hall 1 E                   0.00    0.0     0    
Windsor                          0.64    0.0     0    

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D              0.00                 
Cahokia/Parks Arpt               0.09                 
Carbondale/Southern IL Arpt      0.40                 
Clay City 6SSE                   0.39    0.0     0    
Edwardsville 2 W                 0.06                 
Grand Chain Dam                  0.80                 
Highland                         0.23    0.0     0    
Kaskaskia L&D                    0.66    0.0     0    
Lawrenceville/Vincennes Arpt     0.63                 
Millstadt                        0.08                 
Salem                            0.10    0.0     0    
Smithland Dam                    0.83                 

$$
             




 

 

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