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 Thu May 15 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                            82     59  
Aurora/Sugar Grove Arpt           83     57  
Barrington                        80     55  
Batavia                           83     58  
Chicago Midway Arpt               80     61  
Chicago Midway COOP               80     61  
Chicago O'Hare Arpt               80     56  
Coal City 4NNW                    85     62  
DeKalb Municipal Arpt             82     55  
DeKalb Northern IL Univ           82     59  
Dwight                            81     59  
Elgin                             81     57  
Elizabeth                         83     60  
Freeport                          83     60  
Greater Kankakee Arpt             83     61  
Illinois City L&D 16              86     62  
Joliet Rgl Arpt                   84     57  
Kankakee                          83     63  
Lansing Municipal Arpt            78     56  
Marseilles                        91     59  
Moline/Quad-City Arpt             86     55  
Morris                            84     64  
Morris Municipal Arpt             85     60  
Mount Carroll                     84     64  
New Boston L&D 17                 86     62  
Ottawa                            83     62  
Park Forest                       81     58  
Peru/IL Valley Rgl Arpt           84     62  
Rochelle Municipal Arpt           84     56  
Romeoville/NWS Chicago            82     59  
Schaumburg Rgl Arpt               80     56  
Sterling/Rock Falls Arpt          85     58  
Stockton                          84     60  
Waukegan Rgl Arpt                 74     52  
West Chicago/DuPage Arpt          82     57  
Wheeling/Chicago Exec Arpt        78     53  

...CENTRAL ILLINOIS...
Avon                              83     57  
Bentley                           86     58  
Bloomington/Cntrl IL Rgl Arpt     83     59  
Champaign 3S                      84     64  
Champaign/Willard Arpt            87     58  
Coles County Arpt                 81     63  
Danville/Vermilion Rgl Arpt       84     62  
Decatur Arpt                      85     59  
Edgar County Arpt                 85     60  
Galesburg Municipal Arpt          84     59  
Galesburg Water Plant             84     63  
Gladstone L&D 18                  80     60  
Jacksonville 2                    86     63  
Jacksonville 2E                   81     59  
Jacksonville Municipal Arpt       85     56  
Jerseyville 2 SW                  84     63  
Knoxville                         84     67  
La Harpe                          86     64  
Lacon/Marshall Co Arpt            85     58  
Lincoln NWS                       84     56  
Macomb Municipal Arpt             87     56  
Monmouth 4NW                      87     68  
Morrisonville                     87     66  
Ogden                             87     60  
Pana                              85     63  
Peoria Intl Arpt                  86     59  
Pittsfield                        85     60  
Pittsfield/Penstone Arpt          86     60  
Pontiac Municipal Arpt            84     61  
Quincy L&D 21                     86     61  
Quincy Rgl Arpt                   85     62  
Rantoul Aviation Center           85     58  
Shelbyville Dam                   83     62  
Sidell 4N                         84     60  
Springfield/Capital Arpt          85     56  
Tuscola                           82     62  
Windsor                           81     59  

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D               82     62  
Cahokia/Parks Arpt                85     57  
Carbondale/Southern IL Arpt       84     61  
Casey                             85     63  
Crawford County Arpt              85     59  
Effingham Co Arpt                 83     58  
Fairfield                         83     62  
Fairfield Municipal Arpt          84     61  
Grand Chain Dam                   74     63  
Harrisburg Arpt                   83     60  
Kaskaskia L&D                     83     64  
Lawrenceville/Vincennes Arpt      83     58  
Millstadt                         82     61  
Mt Carmel Municipal Arpt          85     62  
Mt Vernon                         83     58  
Olney 2S                          83     59  
Olney/Noble Arpt                  84     60  
Robinson                          76     60  
Salem                             84     62  
Salem/Leckrone Arpt               84     62  
Smithland Dam                     84     61  
Sparta Community Arpt             83     62  

$$

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 Thu May 15 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                            82     59  
Aurora/Sugar Grove Arpt           83     57  
Barrington                        80     55  
Batavia                           83     58  
Chicago Midway Arpt               80     61  
Chicago Midway COOP               80     61  
Chicago O'Hare Arpt               80     56  
Coal City 4NNW                    85     62  
DeKalb Municipal Arpt             82     55  
DeKalb Northern IL Univ           82     59  
Dwight                            81     59  
Elgin                             81     57  
Elizabeth                         83     60  
Freeport                          83     60  
Greater Kankakee Arpt             83     61  
Illinois City L&D 16              86     62  
Joliet Rgl Arpt                   84     57  
Kankakee                          83     63  
Lansing Municipal Arpt            78     56  
Marseilles                        91     59  
Moline/Quad-City Arpt             86     55  
Morris                            84     64  
Morris Municipal Arpt             85     60  
Mount Carroll                     84     64  
New Boston L&D 17                 86     62  
Ottawa                            83     62  
Park Forest                       81     58  
Peru/IL Valley Rgl Arpt           84     62  
Rochelle Municipal Arpt           84     56  
Romeoville/NWS Chicago            82     59  
Schaumburg Rgl Arpt               80     56  
Sterling/Rock Falls Arpt          85     58  
Stockton                          84     60  
Waukegan Rgl Arpt                 74     52  
West Chicago/DuPage Arpt          82     57  
Wheeling/Chicago Exec Arpt        78     53  

...CENTRAL ILLINOIS...
Avon                              83     57  
Bentley                           86     58  
Bloomington/Cntrl IL Rgl Arpt     83     59  
Champaign 3S                      84     64  
Champaign/Willard Arpt            87     58  
Coles County Arpt                 81     63  
Danville/Vermilion Rgl Arpt       84     62  
Decatur Arpt                      85     59  
Edgar County Arpt                 85     60  
Galesburg Municipal Arpt          84     59  
Galesburg Water Plant             84     63  
Gladstone L&D 18                  80     60  
Jacksonville 2                    86     63  
Jacksonville 2E                   81     59  
Jacksonville Municipal Arpt       85     56  
Jerseyville 2 SW                  84     63  
Knoxville                         84     67  
La Harpe                          86     64  
Lacon/Marshall Co Arpt            85     58  
Lincoln NWS                       84     56  
Macomb Municipal Arpt             87     56  
Monmouth 4NW                      87     68  
Morrisonville                     87     66  
Ogden                             87     60  
Pana                              85     63  
Peoria Intl Arpt                  86     59  
Pittsfield                        85     60  
Pittsfield/Penstone Arpt          86     60  
Pontiac Municipal Arpt            84     61  
Quincy L&D 21                     86     61  
Quincy Rgl Arpt                   85     62  
Rantoul Aviation Center           85     58  
Shelbyville Dam                   83     62  
Sidell 4N                         84     60  
Springfield/Capital Arpt          85     56  
Tuscola                           82     62  
Windsor                           81     59  

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D               82     62  
Cahokia/Parks Arpt                85     57  
Carbondale/Southern IL Arpt       84     61  
Casey                             85     63  
Crawford County Arpt              85     59  
Effingham Co Arpt                 83     58  
Fairfield                         83     62  
Fairfield Municipal Arpt          84     61  
Grand Chain Dam                   74     63  
Harrisburg Arpt                   83     60  
Kaskaskia L&D                     83     64  
Lawrenceville/Vincennes Arpt      83     58  
Millstadt                         82     61  
Mt Carmel Municipal Arpt          85     62  
Mt Vernon                         83     58  
Olney 2S                          83     59  
Olney/Noble Arpt                  84     60  
Robinson                          76     60  
Salem                             84     62  
Salem/Leckrone Arpt               84     62  
Smithland Dam                     84     61  
Sparta Community Arpt             83     62  

$$

               

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 Thu May 15 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    
Chatsworth                       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                 
Earlville 3S                     0.00    0.0     0    
Elgin                            0.00    0.0     0    
Elgin                            0.00    0.0     0    
Elizabeth                        0.00    0.0     0    
Freeport                         0.00    0.0     0    
Genoa                            0.00                 
Illinois City L&D 16             0.00                 
Kankakee                         0.00    0.0     0    
Lake Zurich                      0.00                 
Marseilles                       0.00                 
Moline/Quad-City Arpt            0.00                 
Morris                           0.00    0.0     0    
Mount Carroll                    0.00                 
New Boston L&D 17                0.00                 
Ottawa                           0.00                 
Park Forest                      0.00    0.0     0    
Peotone                          0.00    0.0     0    
Romeoville/NWS Chicago           0.00    0.0     0    
St Anne                          0.02                 
Steward                          0.00    0.0     0    
Stockton                         0.00    0.0     0    
Streator                         0.00                 
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 
Woodstock 5NW                    0.00    0.0     0    

...CENTRAL ILLINOIS...
Arthur 1W                        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 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                 
Coles County Arpt                0.00                 
Decatur Arpt                     0.00                 
Galesburg Water Plant            0.00                 
Gladstone L&D 18                 0.00    0.0     0    
Jacksonville 2                   0.00    0.0     0    
Jacksonville 2E                  0.00                 
Jerseyville 2 SW                 0.00    0.0     0    
Knoxville                        0.00    0.0     0    
La Harpe                         0.00                 
Lake Springfield                 0.00                 
Lincoln NWS                      0.00    0.0     0    
Lovington                        0.00                 
Mattoon                          0.00    0.0     0    
Medora                           0.00    0.0     0    
Monmouth 4NW                     0.00                 
Morrisonville                    0.00                 
Morton                           0.00    0.0     0    
Mount Pulaski                    0.00    0.0     0    
Ogden                            0.00    0.0     0    
Pana                             0.00    0.0     0    
Peoria 5NW                       0.00    0.0     0    
Peoria Intl Arpt                 0.00                 
Pittsfield                       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    
Sidell 4N                        0.00                 
Springfield/Capital Arpt         0.00                 
Tuscola                          0.00    0.0     0    
Windsor                          0.00    0.0     0    
Yates City                       0.00                 

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D              0.00                 
Cahokia/Parks Arpt               0.00                 
Carbondale/Southern IL Arpt      0.00                 
Casey                            0.00    0.0     0    
Centralia                        0.00                 
Effingham Water Plant            0.00                 
Fairfield                        0.00    0.0     0    
Flora                            0.00    0.0     0    
Grand Chain Dam                  0.00                 
Highland                         0.00    0.0     0    
Kaskaskia L&D                    0.00                 
Lawrenceville/Vincennes Arpt     0.00                 
Medora                           0.00    0.0     0    
Millstadt                        0.00                 
Mt Vernon                        0.00                 
Olney 2S                         0.00    0.0     0    
Robinson                         0.00                 
Salem                            0.00                 
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 Thu May 15 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    
Chatsworth                       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                 
Earlville 3S                     0.00    0.0     0    
Elgin                            0.00    0.0     0    
Elgin                            0.00    0.0     0    
Elizabeth                        0.00    0.0     0    
Freeport                         0.00    0.0     0    
Genoa                            0.00                 
Illinois City L&D 16             0.00                 
Kankakee                         0.00    0.0     0    
Lake Zurich                      0.00                 
Marseilles                       0.00                 
Moline/Quad-City Arpt            0.00                 
Morris                           0.00    0.0     0    
Mount Carroll                    0.00                 
New Boston L&D 17                0.00                 
Ottawa                           0.00                 
Park Forest                      0.00    0.0     0    
Peotone                          0.00    0.0     0    
Romeoville/NWS Chicago           0.00    0.0     0    
St Anne                          0.02                 
Steward                          0.00    0.0     0    
Stockton                         0.00    0.0     0    
Streator                         0.00                 
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 
Woodstock 5NW                    0.00    0.0     0    

...CENTRAL ILLINOIS...
Arthur 1W                        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 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                 
Coles County Arpt                0.00                 
Decatur Arpt                     0.00                 
Galesburg Water Plant            0.00                 
Gladstone L&D 18                 0.00    0.0     0    
Jacksonville 2                   0.00    0.0     0    
Jacksonville 2E                  0.00                 
Jerseyville 2 SW                 0.00    0.0     0    
Knoxville                        0.00    0.0     0    
La Harpe                         0.00                 
Lake Springfield                 0.00                 
Lincoln NWS                      0.00    0.0     0    
Lovington                        0.00                 
Mattoon                          0.00    0.0     0    
Medora                           0.00    0.0     0    
Monmouth 4NW                     0.00                 
Morrisonville                    0.00                 
Morton                           0.00    0.0     0    
Mount Pulaski                    0.00    0.0     0    
Ogden                            0.00    0.0     0    
Pana                             0.00    0.0     0    
Peoria 5NW                       0.00    0.0     0    
Peoria Intl Arpt                 0.00                 
Pittsfield                       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    
Sidell 4N                        0.00                 
Springfield/Capital Arpt         0.00                 
Tuscola                          0.00    0.0     0    
Windsor                          0.00    0.0     0    
Yates City                       0.00                 

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D              0.00                 
Cahokia/Parks Arpt               0.00                 
Carbondale/Southern IL Arpt      0.00                 
Casey                            0.00    0.0     0    
Centralia                        0.00                 
Effingham Water Plant            0.00                 
Fairfield                        0.00    0.0     0    
Flora                            0.00    0.0     0    
Grand Chain Dam                  0.00                 
Highland                         0.00    0.0     0    
Kaskaskia L&D                    0.00                 
Lawrenceville/Vincennes Arpt     0.00                 
Medora                           0.00    0.0     0    
Millstadt                        0.00                 
Mt Vernon                        0.00                 
Olney 2S                         0.00    0.0     0    
Robinson                         0.00                 
Salem                            0.00                 
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 Thu May 15 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    
Chatsworth                       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                 
Earlville 3S                     0.00    0.0     0    
Elgin                            0.00    0.0     0    
Elgin                            0.00    0.0     0    
Elizabeth                        0.00    0.0     0    
Freeport                         0.00    0.0     0    
Genoa                            0.00                 
Illinois City L&D 16             0.00                 
Kankakee                         0.00    0.0     0    
Lake Zurich                      0.00                 
Marseilles                       0.00                 
Moline/Quad-City Arpt            0.00                 
Morris                           0.00    0.0     0    
Mount Carroll                    0.00                 
New Boston L&D 17                0.00                 
Ottawa                           0.00                 
Park Forest                      0.00    0.0     0    
Peotone                          0.00    0.0     0    
Romeoville/NWS Chicago           0.00    0.0     0    
St Anne                          0.02                 
Steward                          0.00    0.0     0    
Stockton                         0.00    0.0     0    
Streator                         0.00                 
Waukegan Rgl Arpt                0.00                 
West Chicago/DuPage Arpt         0.00                 
Wheeling/Chicago Exec Arpt       0.00                 
Woodstock 5NW                    0.00    0.0     0    

...CENTRAL ILLINOIS...
Arthur 1W                        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 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                 
Coles County Arpt                0.00                 
Decatur Arpt                     0.00                 
Galesburg Water Plant            0.00                 
Gladstone L&D 18                 0.00    0.0     0    
Jacksonville 2                   0.00    0.0     0    
Jacksonville 2E                  0.00                 
Jerseyville 2 SW                 0.00    0.0     0    
Knoxville                        0.00    0.0     0    
La Harpe                         0.00                 
Lake Springfield                 0.00                 
Lincoln NWS                      0.00    0.0     0    
Lovington                        0.00                 
Mattoon                          0.00    0.0     0    
Medora                           0.00    0.0     0    
Monmouth 4NW                     0.00                 
Morrisonville                    0.00                 
Morton                           0.00    0.0     0    
Mount Pulaski                    0.00    0.0     0    
Ogden                            0.00    0.0     0    
Pana                             0.00    0.0     0    
Peoria 5NW                       0.00    0.0     0    
Peoria Intl Arpt                 0.00                 
Pittsfield                       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    
Sidell 4N                        0.00                 
Springfield/Capital Arpt         0.00                 
Tuscola                          0.00    0.0     0    
Windsor                          0.00    0.0     0    
Yates City                       0.00                 

...SOUTHERN ILLINOIS...
Alton/Mel Price L&D              0.00                 
Cahokia/Parks Arpt               0.00                 
Carbondale/Southern IL Arpt      0.00                 
Casey                            0.00    0.0     0    
Centralia                        0.00                 
Effingham Water Plant            0.00                 
Fairfield                        0.00    0.0     0    
Flora                            0.00    0.0     0    
Grand Chain Dam                  0.00                 
Highland                         0.00    0.0     0    
Kaskaskia L&D                    0.00                 
Lawrenceville/Vincennes Arpt     0.00                 
Medora                           0.00    0.0     0    
Millstadt                        0.00                 
Mt Vernon                        0.00                 
Olney 2S                         0.00    0.0     0    
Robinson                         0.00                 
Salem                            0.00                 
Smithland Dam                    0.00                 

$$
             




 

 

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