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
 
1049 AM CDT Sat Oct 4 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                            89     60  
Aurora/Sugar Grove Arpt           91     57  
Batavia                           90     58  
Chicago Midway Arpt               90     66  
Chicago Midway COOP               90     66  
Chicago O'Hare Arpt               89     64  
Coal City 4NNW                    92     58  
DeKalb Municipal Arpt             88     56  
DeKalb Northern IL Univ           89     61  
Dwight                            89     57  
Elgin                             89     58  
Elizabeth                         88     54  
Freeport                          89     57  
Illinois City L&D 16              89     57  
Joliet Rgl Arpt                   90     58  
Kewanee                           89     57  
Lansing Municipal Arpt            87     59  
Marseilles                        87     58  
Moline/Quad Cities Arpt           90     56  
Morris Municipal Arpt             89     58  
New Boston L&D 17                 90     61  
Ottawa                            88     59  
Park Forest                       89     63  
Peru/IL Valley Rgl Arpt           89     59  
Rochelle Municipal Arpt           89     55  
Romeoville/NWS Chicago            87     61  
Schaumburg Rgl Arpt               89     63  
Sterling/Rock Falls Arpt          91     56  
Stockton                          88     57  
Waukegan Rgl Arpt                 92     63  
West Chicago/DuPage Arpt          89     59  
Wheeling/Chicago Exec Arpt        89     60  

...CENTRAL ILLINOIS...
Aledo                             90     61  
Avon                              90     56  
Bentley                           91     61  
Bloomington/Cntrl IL Rgl Arpt     89     61  
Champaign/Willard Arpt            92     58  
Coles County Arpt                 88     62  
Danville/Vermilion Rgl Arpt       89     59  
Decatur Arpt                      88     59  
Edgar County Arpt                 90     57  
Galesburg Municipal Arpt          89     58  
Galesburg Water Plant             88     62  
Gladstone L&D 18                  87     63  
Jacksonville 2                    88     61  
Jacksonville Municipal Arpt       88     60  
La Harpe                          91     62  
Lacon/Marshall Co Arpt            89     57  
Lincoln NWS                       89     57  
Macomb Municipal Arpt             91     55  
Minonk                            93     64  
Normal 4NE                        92     60  
Ogden                             91     59  
Pana                              90     60  
Paris                             88     60  
Peoria Intl Arpt                  90     61  
Pittsfield/Penstone Arpt          89     61  
Pontiac Municipal Arpt            90     58  
Quincy L&D 21                     89     62  
Quincy Rgl Arpt                   89     63  
Rantoul Aviation Center           90     59  
Shelbyville Dam                   89     61  
Sidell 4N                         90     60  
Springfield/Capital Arpt          88     61  
Tuscola                           88     60  
White Hall 1 E                    89     60  
Windsor                           88     62  

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D                      62  
Anna                                     58  
Cahokia/Parks Arpt                90     56  
Carbondale/Southern IL Arpt       86     57  
Casey                             91     54  
Crawford County Arpt              90     57  
Effingham Co Arpt                 89     59  
Fairfield Municipal Arpt          87     57  
Grand Chain Dam                   83     64  
Harrisburg Arpt                   85     58  
Kaskaskia L&D                     88     61  
Lawrenceville/Vincennes Arpt      88     58  
Millstadt                         88     57  
Mt Carmel Municipal Arpt          90     58  
Mt Vernon                         86     56  
Olney/Noble Arpt                  88     59  
Salem                             88     61  
Salem/Leckrone Arpt               89     60  
Smithland Dam                            58  
Sparta Community Arpt             89     61  

$$


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


 

24-hour low temperatures

Observed data from NWS, FAA, and cooperative weather observers

 

1049 AM CDT Sat Oct 4 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                            89     60  
Aurora/Sugar Grove Arpt           91     57  
Batavia                           90     58  
Chicago Midway Arpt               90     66  
Chicago Midway COOP               90     66  
Chicago O'Hare Arpt               89     64  
Coal City 4NNW                    92     58  
DeKalb Municipal Arpt             88     56  
DeKalb Northern IL Univ           89     61  
Dwight                            89     57  
Elgin                             89     58  
Elizabeth                         88     54  
Freeport                          89     57  
Illinois City L&D 16              89     57  
Joliet Rgl Arpt                   90     58  
Kewanee                           89     57  
Lansing Municipal Arpt            87     59  
Marseilles                        87     58  
Moline/Quad Cities Arpt           90     56  
Morris Municipal Arpt             89     58  
New Boston L&D 17                 90     61  
Ottawa                            88     59  
Park Forest                       89     63  
Peru/IL Valley Rgl Arpt           89     59  
Rochelle Municipal Arpt           89     55  
Romeoville/NWS Chicago            87     61  
Schaumburg Rgl Arpt               89     63  
Sterling/Rock Falls Arpt          91     56  
Stockton                          88     57  
Waukegan Rgl Arpt                 92     63  
West Chicago/DuPage Arpt          89     59  
Wheeling/Chicago Exec Arpt        89     60  

...CENTRAL ILLINOIS...
Aledo                             90     61  
Avon                              90     56  
Bentley                           91     61  
Bloomington/Cntrl IL Rgl Arpt     89     61  
Champaign/Willard Arpt            92     58  
Coles County Arpt                 88     62  
Danville/Vermilion Rgl Arpt       89     59  
Decatur Arpt                      88     59  
Edgar County Arpt                 90     57  
Galesburg Municipal Arpt          89     58  
Galesburg Water Plant             88     62  
Gladstone L&D 18                  87     63  
Jacksonville 2                    88     61  
Jacksonville Municipal Arpt       88     60  
La Harpe                          91     62  
Lacon/Marshall Co Arpt            89     57  
Lincoln NWS                       89     57  
Macomb Municipal Arpt             91     55  
Minonk                            93     64  
Normal 4NE                        92     60  
Ogden                             91     59  
Pana                              90     60  
Paris                             88     60  
Peoria Intl Arpt                  90     61  
Pittsfield/Penstone Arpt          89     61  
Pontiac Municipal Arpt            90     58  
Quincy L&D 21                     89     62  
Quincy Rgl Arpt                   89     63  
Rantoul Aviation Center           90     59  
Shelbyville Dam                   89     61  
Sidell 4N                         90     60  
Springfield/Capital Arpt          88     61  
Tuscola                           88     60  
White Hall 1 E                    89     60  
Windsor                           88     62  

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D                      62  
Anna                                     58  
Cahokia/Parks Arpt                90     56  
Carbondale/Southern IL Arpt       86     57  
Casey                             91     54  
Crawford County Arpt              90     57  
Effingham Co Arpt                 89     59  
Fairfield Municipal Arpt          87     57  
Grand Chain Dam                   83     64  
Harrisburg Arpt                   85     58  
Kaskaskia L&D                     88     61  
Lawrenceville/Vincennes Arpt      88     58  
Millstadt                         88     57  
Mt Carmel Municipal Arpt          90     58  
Mt Vernon                         86     56  
Olney/Noble Arpt                  88     59  
Salem                             88     61  
Salem/Leckrone Arpt               89     60  
Smithland Dam                            58  
Sparta Community Arpt             89     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

1041 AM CDT Sat Oct 4 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                 
Batavia                          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                 
Dwight                           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                 
Illinois City L&D 16             0.00                 
Kewanee                          0.00    0.0     0    
Lansing                          0.00    0.0     0    
Marseilles                       0.00                 
Mendota                          0.00                 
Moline/Quad Cities Arpt          0.00                 
Monee                            0.00    0.0     0    
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    
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 
Willow Springs                   0.00                 

...CENTRAL ILLINOIS...
Aledo                            0.00    0.0     0    
Athens 4SW                       0.00                 
Augusta                          0.00    0.0     0    
Avon                             0.00    0.0     0    
Bentley                          0.00                 
Bloomington/Cntrl IL Rgl Arpt    0.00                 
Champaign/Willard Arpt           0.00                 
Cisco                              T     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    
Havana                           0.00                 
Jacksonville 2                   0.10    0.0     0    
La Harpe                         0.00                 
Lake Springfield                 0.00                 
Lincoln NWS                      0.00    0.0     0    
Lovington                        0.00                 
Mattoon                          0.00    0.0     0    
Minonk                           0.00                 
Morton                           0.00    0.0     0    
Mount Pulaski                      T     0.0     0    
Moweaqua 2S                      0.00                 
Normal 4NE                       0.00    0.0     0    
Ogden                            0.01    0.0     0    
Pana                             0.00    0.0     0    
Paris                            0.17    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                        0.28                 
Springfield/Capital Arpt         0.00                 
Tuscola                          0.34    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                 
Cahokia/Parks Arpt               0.00                 
Carbondale/Southern IL Arpt      0.00                 
Casey                            0.00    0.0     0    
Edwardsville 2 W                 0.00                 
Flora                            0.00    0.0     0    
Fort Massac State Park           0.00                 
Grand Chain Dam                  0.00    0.0     0    
Highland                         0.22    0.0     0    
Kaskaskia L&D                    0.00    0.0     0    
Lawrenceville/Vincennes Arpt     0.00                 
Millstadt                        0.00                 
Mt Vernon                        0.00                 
Neoga                            0.00    0.0     0    
Pinckneyville                    0.00                 
Salem                            0.00    0.0     0    
Smithland Dam                    0.00    0.0     0    

$$

                 




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

 

24-hour snowfall
 

CoCoRaHS Observations:
Enlarge mapgo to CoCoRaHS Page

CoCoRaHS Observations

Observations from NWS, FAA and cooperative weather observers

1041 AM CDT Sat Oct 4 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                 
Batavia                          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                 
Dwight                           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                 
Illinois City L&D 16             0.00                 
Kewanee                          0.00    0.0     0    
Lansing                          0.00    0.0     0    
Marseilles                       0.00                 
Mendota                          0.00                 
Moline/Quad Cities Arpt          0.00                 
Monee                            0.00    0.0     0    
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    
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 
Willow Springs                   0.00                 

...CENTRAL ILLINOIS...
Aledo                            0.00    0.0     0    
Athens 4SW                       0.00                 
Augusta                          0.00    0.0     0    
Avon                             0.00    0.0     0    
Bentley                          0.00                 
Bloomington/Cntrl IL Rgl Arpt    0.00                 
Champaign/Willard Arpt           0.00                 
Cisco                              T     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    
Havana                           0.00                 
Jacksonville 2                   0.10    0.0     0    
La Harpe                         0.00                 
Lake Springfield                 0.00                 
Lincoln NWS                      0.00    0.0     0    
Lovington                        0.00                 
Mattoon                          0.00    0.0     0    
Minonk                           0.00                 
Morton                           0.00    0.0     0    
Mount Pulaski                      T     0.0     0    
Moweaqua 2S                      0.00                 
Normal 4NE                       0.00    0.0     0    
Ogden                            0.01    0.0     0    
Pana                             0.00    0.0     0    
Paris                            0.17    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                        0.28                 
Springfield/Capital Arpt         0.00                 
Tuscola                          0.34    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                 
Cahokia/Parks Arpt               0.00                 
Carbondale/Southern IL Arpt      0.00                 
Casey                            0.00    0.0     0    
Edwardsville 2 W                 0.00                 
Flora                            0.00    0.0     0    
Fort Massac State Park           0.00                 
Grand Chain Dam                  0.00    0.0     0    
Highland                         0.22    0.0     0    
Kaskaskia L&D                    0.00    0.0     0    
Lawrenceville/Vincennes Arpt     0.00                 
Millstadt                        0.00                 
Mt Vernon                        0.00                 
Neoga                            0.00    0.0     0    
Pinckneyville                    0.00                 
Salem                            0.00    0.0     0    
Smithland Dam                    0.00    0.0     0    

$$


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

 

24-hour snowfall
 

CoCoRaHS Observations:
Enlarge mapgo to CoCoRaHS Page

CoCoRaHS Observations

Observations from NWS, FAA and cooperative weather observers

1041 AM CDT Sat Oct 4 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                 
Batavia                          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                 
Dwight                           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                 
Illinois City L&D 16             0.00                 
Kewanee                          0.00    0.0     0    
Lansing                          0.00    0.0     0    
Marseilles                       0.00                 
Mendota                          0.00                 
Moline/Quad Cities Arpt          0.00                 
Monee                            0.00    0.0     0    
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    
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 
Willow Springs                   0.00                 

...CENTRAL ILLINOIS...
Aledo                            0.00    0.0     0    
Athens 4SW                       0.00                 
Augusta                          0.00    0.0     0    
Avon                             0.00    0.0     0    
Bentley                          0.00                 
Bloomington/Cntrl IL Rgl Arpt    0.00                 
Champaign/Willard Arpt           0.00                 
Cisco                              T     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    
Havana                           0.00                 
Jacksonville 2                   0.10    0.0     0    
La Harpe                         0.00                 
Lake Springfield                 0.00                 
Lincoln NWS                      0.00    0.0     0    
Lovington                        0.00                 
Mattoon                          0.00    0.0     0    
Minonk                           0.00                 
Morton                           0.00    0.0     0    
Mount Pulaski                      T     0.0     0    
Moweaqua 2S                      0.00                 
Normal 4NE                       0.00    0.0     0    
Ogden                            0.01    0.0     0    
Pana                             0.00    0.0     0    
Paris                            0.17    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                        0.28                 
Springfield/Capital Arpt         0.00                 
Tuscola                          0.34    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                 
Cahokia/Parks Arpt               0.00                 
Carbondale/Southern IL Arpt      0.00                 
Casey                            0.00    0.0     0    
Edwardsville 2 W                 0.00                 
Flora                            0.00    0.0     0    
Fort Massac State Park           0.00                 
Grand Chain Dam                  0.00    0.0     0    
Highland                         0.22    0.0     0    
Kaskaskia L&D                    0.00    0.0     0    
Lawrenceville/Vincennes Arpt     0.00                 
Millstadt                        0.00                 
Mt Vernon                        0.00                 
Neoga                            0.00    0.0     0    
Pinckneyville                    0.00                 
Salem                            0.00    0.0     0    
Smithland Dam                    0.00    0.0     0    

$$

             




 

 

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