| Preliminary data based on the Real-Time Mesoscale Analysis (RTMA)  |
Observed data reported by NWS, FAA and cooperative weather observers
942 AM CDT Mon Aug 18 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 86 71
Aurora/Sugar Grove Arpt 88 71
Barrington 80 67
Batavia 86 71
Chicago Midway Arpt 84 70
Chicago Midway COOP 84 70
Chicago O'Hare Arpt 81 69
Coal City 4NNW 87 70
DeKalb Municipal Arpt 85 69
DeKalb Northern IL Univ 84 69
Dwight 91 68
Elgin 84 69
Elizabeth 88 68
Freeport 84 67
Illinois City L&D 16 91 73
Joliet Rgl Arpt 87 71
Lansing Municipal Arpt 83 69
Lisle Morton Arboretum 85 71
Marseilles 94 72
Moline/Quad Cities Arpt 90 70
Morris 87 71
Morris Municipal Arpt 85 69
Ottawa 88 69
Park Forest 84 68
Peru/IL Valley Rgl Arpt 90 70
Rochelle Municipal Arpt 86 68
Rockford Arpt 85 77
Romeoville/NWS Chicago 84 68
Schaumburg Rgl Arpt 82 69
Sterling/Rock Falls Arpt 90 71
Stockton 83 66
Waukegan Rgl Arpt 81 71
West Chicago/DuPage Arpt 85 71
Wheeling/Chicago Exec Arpt 82 72
...CENTRAL ILLINOIS...
Aledo 90 72
Avon 89 72
Bentley 93 74
Bloomington/Cntrl IL Rgl Arpt 89 70
Champaign 3S 92 69
Champaign/Willard Arpt 91 70
Coles County Arpt 90 72
Danville/Vermilion Rgl Arpt 89 69
Decatur Arpt 90 73
Edgar County Arpt 88 66
Galesburg Municipal Arpt 89 73
Galesburg Water Plant 90 73
Gladstone L&D 18 92 72
Jacksonville 2 93 76
Jacksonville 2E 92 74
Jacksonville Municipal Arpt 91 73
Jerseyville 2 SW 96 73
La Harpe 97 74
Lacon/Marshall Co Arpt 90 71
Lincoln NWS 89 70
Macomb Municipal Arpt 91 72
Normal 4NE 91 70
Ogden 93 68
Pana 93 72
Paris 88 69
Peoria Intl Arpt 90 74
Pittsfield 94 71
Pittsfield/Penstone Arpt 92 73
Pontiac Municipal Arpt 89 70
Quincy L&D 21 94 72
Quincy Rgl Arpt 92 72
Rantoul Aviation Center 91 68
Shelbyville Dam 90 71
Sidell 4N 92 74
Springfield/Capital Arpt 92 73
Tuscola 90 70
White Hall 1 E 92 74
Windsor 95 73
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 94 75
Anna 95 71
Cahokia/Parks Arpt 97 73
Carbondale 95 72
Carbondale/Southern IL Arpt 96 70
Casey 92 69
Effingham Co Arpt 91 72
Fairfield 91 73
Fairfield Municipal Arpt 91 71
Grand Chain Dam 97 72
Harrisburg Arpt 93 71
Kaskaskia L&D 96 74
Lawrenceville 2WSW 87 72
Lawrenceville/Vincennes Arpt 88 72
Millstadt 95 68
Mt Carmel Municipal Arpt 91 72
Mt Vernon 93 71
Olney 2S 91 73
Olney/Noble Arpt 90 72
Salem 94 75
Salem/Leckrone Arpt 94 73
Smithland Dam 96 72
Sparta Community Arpt 98 76
$$
|
|
Preliminary data based on the Real-Time Mesoscale Analysis
|
Observed data from NWS, FAA, and cooperative weather observers
942 AM CDT Mon Aug 18 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 86 71
Aurora/Sugar Grove Arpt 88 71
Barrington 80 67
Batavia 86 71
Chicago Midway Arpt 84 70
Chicago Midway COOP 84 70
Chicago O'Hare Arpt 81 69
Coal City 4NNW 87 70
DeKalb Municipal Arpt 85 69
DeKalb Northern IL Univ 84 69
Dwight 91 68
Elgin 84 69
Elizabeth 88 68
Freeport 84 67
Illinois City L&D 16 91 73
Joliet Rgl Arpt 87 71
Lansing Municipal Arpt 83 69
Lisle Morton Arboretum 85 71
Marseilles 94 72
Moline/Quad Cities Arpt 90 70
Morris 87 71
Morris Municipal Arpt 85 69
Ottawa 88 69
Park Forest 84 68
Peru/IL Valley Rgl Arpt 90 70
Rochelle Municipal Arpt 86 68
Rockford Arpt 85 77
Romeoville/NWS Chicago 84 68
Schaumburg Rgl Arpt 82 69
Sterling/Rock Falls Arpt 90 71
Stockton 83 66
Waukegan Rgl Arpt 81 71
West Chicago/DuPage Arpt 85 71
Wheeling/Chicago Exec Arpt 82 72
...CENTRAL ILLINOIS...
Aledo 90 72
Avon 89 72
Bentley 93 74
Bloomington/Cntrl IL Rgl Arpt 89 70
Champaign 3S 92 69
Champaign/Willard Arpt 91 70
Coles County Arpt 90 72
Danville/Vermilion Rgl Arpt 89 69
Decatur Arpt 90 73
Edgar County Arpt 88 66
Galesburg Municipal Arpt 89 73
Galesburg Water Plant 90 73
Gladstone L&D 18 92 72
Jacksonville 2 93 76
Jacksonville 2E 92 74
Jacksonville Municipal Arpt 91 73
Jerseyville 2 SW 96 73
La Harpe 97 74
Lacon/Marshall Co Arpt 90 71
Lincoln NWS 89 70
Macomb Municipal Arpt 91 72
Normal 4NE 91 70
Ogden 93 68
Pana 93 72
Paris 88 69
Peoria Intl Arpt 90 74
Pittsfield 94 71
Pittsfield/Penstone Arpt 92 73
Pontiac Municipal Arpt 89 70
Quincy L&D 21 94 72
Quincy Rgl Arpt 92 72
Rantoul Aviation Center 91 68
Shelbyville Dam 90 71
Sidell 4N 92 74
Springfield/Capital Arpt 92 73
Tuscola 90 70
White Hall 1 E 92 74
Windsor 95 73
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 94 75
Anna 95 71
Cahokia/Parks Arpt 97 73
Carbondale 95 72
Carbondale/Southern IL Arpt 96 70
Casey 92 69
Effingham Co Arpt 91 72
Fairfield 91 73
Fairfield Municipal Arpt 91 71
Grand Chain Dam 97 72
Harrisburg Arpt 93 71
Kaskaskia L&D 96 74
Lawrenceville 2WSW 87 72
Lawrenceville/Vincennes Arpt 88 72
Millstadt 95 68
Mt Carmel Municipal Arpt 91 72
Mt Vernon 93 71
Olney 2S 91 73
Olney/Noble Arpt 90 72
Salem 94 75
Salem/Leckrone Arpt 94 73
Smithland Dam 96 72
Sparta Community Arpt 98 76
$$
|
|
Preliminary data based on the Real-Time Mesoscale Analysis
CoCoRaHS Observations: |
Observations from NWS, FAA and cooperative weather observers
938 AM CDT Mon Aug 18 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 0.18 0.0 0
Batavia 0.22 0.0 0
Bourbonnais 0.04 0.0 0
Chatsworth 0.40 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 0.47 0.0 0
DeKalb Northern IL Univ 0.01 0.0 0
Dwight 0.00 0.0 0
Earlville 3S 0.00 0.0 0
Elgin 0.15 0.0 0
Elgin 0.17 0.0 0
Elizabeth 0.20 0.0 0
Fairbury 0.05
Freeport 0.25 0.0 0
Genoa 0.13
Hebron 0.00 0.0 0
Illinois City L&D 16 0.00
Lake Zurich 0.04
Lansing 0.00 0.0 0
Lisle Morton Arboretum T 0.0 0
Marseilles 0.00
Mendota 0.00
Moline/Quad Cities Arpt 0.00
Morris T 0.0 0
Ottawa 0.08
Park Forest 0.02
Peotone 0.09 0.0 0
Romeoville/NWS Chicago 0.01 0.0 0
Steward 0.00 0.0 0
Stockton 0.49 0.0 0
Streator 0.00
Waukegan Rgl Arpt 0.00
West Chicago/DuPage Arpt 0.00
Wheeling/Chicago Exec Arpt 0.47
Woodstock 5NW 0.10
...CENTRAL ILLINOIS...
Aledo 0.00 0.0 0
Augusta 0.00 0.0 0
Avon 0.00 0.0 0
Bentley 0.00
Bloomington Waterworks 0.09 0.0 0
Bloomington/Cntrl IL Rgl Arpt 0.04
Champaign 3S 0.13 0.0 0
Champaign/Willard Arpt 0.20
Coles County Arpt 0.00
Decatur Arpt 0.31
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 0.0 0
Jerseyville 2 SW 0.00 0.0 0
La Harpe 0.00
Lake Springfield 0.02
Lincoln NWS 0.00 0.0 0
Lovington T
Macomb 0.00 0.0 0
Mattoon 0.00 0.0 0
Medora 0.00 0.0 0
Morton 0.02 0.0 0
Mount Pulaski 0.27 0.0 0
Moweaqua 2S 0.27
Normal 4NE 0.02 0.0 0
Ogden 0.18 0.0 0
Pana 0.13 0.0 0
Paris 0.15 0.0 0
Peoria 5NW 0.00 0.0 0
Peoria Intl Arpt 0.12
Pittsfield 0.02
Quincy L&D 21 0.10
Quincy Rgl Arpt 0.66
Rantoul 0.02
Shelbyville Dam 0.20 0.0 0
Sidell 4N 0.18
Springfield/Capital Arpt 0.04
Tuscola 0.13 0.0 0
White Hall 1 E 0.09
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 0.00 0.0 0
Carbondale/Southern IL Arpt 0.00
Casey 0.00 0.0 0
Centralia 0.00
Effingham Water Plant 0.00 0.0 0
Fairfield 0.00 0.0 0
Grand Chain Dam 0.00
Highland 0.00 0.0 0
Kaskaskia L&D 0.00
Lawrenceville 2WSW 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
Salem 0.00
Smithland Dam 0.00 0.0 0
$$
|
| Preliminary data based on analysis from the NWS National Operational Hydrologic Remote Sensing Center (NOHRSC)
CoCoRaHS Observations: |
Observations from NWS, FAA and cooperative weather observers
938 AM CDT Mon Aug 18 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 0.18 0.0 0
Batavia 0.22 0.0 0
Bourbonnais 0.04 0.0 0
Chatsworth 0.40 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 0.47 0.0 0
DeKalb Northern IL Univ 0.01 0.0 0
Dwight 0.00 0.0 0
Earlville 3S 0.00 0.0 0
Elgin 0.15 0.0 0
Elgin 0.17 0.0 0
Elizabeth 0.20 0.0 0
Fairbury 0.05
Freeport 0.25 0.0 0
Genoa 0.13
Hebron 0.00 0.0 0
Illinois City L&D 16 0.00
Lake Zurich 0.04
Lansing 0.00 0.0 0
Lisle Morton Arboretum T 0.0 0
Marseilles 0.00
Mendota 0.00
Moline/Quad Cities Arpt 0.00
Morris T 0.0 0
Ottawa 0.08
Park Forest 0.02
Peotone 0.09 0.0 0
Romeoville/NWS Chicago 0.01 0.0 0
Steward 0.00 0.0 0
Stockton 0.49 0.0 0
Streator 0.00
Waukegan Rgl Arpt 0.00
West Chicago/DuPage Arpt 0.00
Wheeling/Chicago Exec Arpt 0.47
Woodstock 5NW 0.10
...CENTRAL ILLINOIS...
Aledo 0.00 0.0 0
Augusta 0.00 0.0 0
Avon 0.00 0.0 0
Bentley 0.00
Bloomington Waterworks 0.09 0.0 0
Bloomington/Cntrl IL Rgl Arpt 0.04
Champaign 3S 0.13 0.0 0
Champaign/Willard Arpt 0.20
Coles County Arpt 0.00
Decatur Arpt 0.31
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 0.0 0
Jerseyville 2 SW 0.00 0.0 0
La Harpe 0.00
Lake Springfield 0.02
Lincoln NWS 0.00 0.0 0
Lovington T
Macomb 0.00 0.0 0
Mattoon 0.00 0.0 0
Medora 0.00 0.0 0
Morton 0.02 0.0 0
Mount Pulaski 0.27 0.0 0
Moweaqua 2S 0.27
Normal 4NE 0.02 0.0 0
Ogden 0.18 0.0 0
Pana 0.13 0.0 0
Paris 0.15 0.0 0
Peoria 5NW 0.00 0.0 0
Peoria Intl Arpt 0.12
Pittsfield 0.02
Quincy L&D 21 0.10
Quincy Rgl Arpt 0.66
Rantoul 0.02
Shelbyville Dam 0.20 0.0 0
Sidell 4N 0.18
Springfield/Capital Arpt 0.04
Tuscola 0.13 0.0 0
White Hall 1 E 0.09
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 0.00 0.0 0
Carbondale/Southern IL Arpt 0.00
Casey 0.00 0.0 0
Centralia 0.00
Effingham Water Plant 0.00 0.0 0
Fairfield 0.00 0.0 0
Grand Chain Dam 0.00
Highland 0.00 0.0 0
Kaskaskia L&D 0.00
Lawrenceville 2WSW 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
Salem 0.00
Smithland Dam 0.00 0.0 0
$$
|
| Preliminary data based on analysis from the NWS National Operational Hydrologic Remote Sensing Center (NOHRSC)
CoCoRaHS Observations: |
Observations from NWS, FAA and cooperative weather observers
938 AM CDT Mon Aug 18 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 0.18 0.0 0
Batavia 0.22 0.0 0
Bourbonnais 0.04 0.0 0
Chatsworth 0.40 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 0.47 0.0 0
DeKalb Northern IL Univ 0.01 0.0 0
Dwight 0.00 0.0 0
Earlville 3S 0.00 0.0 0
Elgin 0.15 0.0 0
Elgin 0.17 0.0 0
Elizabeth 0.20 0.0 0
Fairbury 0.05
Freeport 0.25 0.0 0
Genoa 0.13
Hebron 0.00 0.0 0
Illinois City L&D 16 0.00
Lake Zurich 0.04
Lansing 0.00 0.0 0
Lisle Morton Arboretum T 0.0 0
Marseilles 0.00
Mendota 0.00
Moline/Quad Cities Arpt 0.00
Morris T 0.0 0
Ottawa 0.08
Park Forest 0.02
Peotone 0.09 0.0 0
Romeoville/NWS Chicago 0.01 0.0 0
Steward 0.00 0.0 0
Stockton 0.49 0.0 0
Streator 0.00
Waukegan Rgl Arpt 0.00
West Chicago/DuPage Arpt 0.00
Wheeling/Chicago Exec Arpt 0.47
Woodstock 5NW 0.10
...CENTRAL ILLINOIS...
Aledo 0.00 0.0 0
Augusta 0.00 0.0 0
Avon 0.00 0.0 0
Bentley 0.00
Bloomington Waterworks 0.09 0.0 0
Bloomington/Cntrl IL Rgl Arpt 0.04
Champaign 3S 0.13 0.0 0
Champaign/Willard Arpt 0.20
Coles County Arpt 0.00
Decatur Arpt 0.31
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 0.0 0
Jerseyville 2 SW 0.00 0.0 0
La Harpe 0.00
Lake Springfield 0.02
Lincoln NWS 0.00 0.0 0
Lovington T
Macomb 0.00 0.0 0
Mattoon 0.00 0.0 0
Medora 0.00 0.0 0
Morton 0.02 0.0 0
Mount Pulaski 0.27 0.0 0
Moweaqua 2S 0.27
Normal 4NE 0.02 0.0 0
Ogden 0.18 0.0 0
Pana 0.13 0.0 0
Paris 0.15 0.0 0
Peoria 5NW 0.00 0.0 0
Peoria Intl Arpt 0.12
Pittsfield 0.02
Quincy L&D 21 0.10
Quincy Rgl Arpt 0.66
Rantoul 0.02
Shelbyville Dam 0.20 0.0 0
Sidell 4N 0.18
Springfield/Capital Arpt 0.04
Tuscola 0.13 0.0 0
White Hall 1 E 0.09
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 0.00 0.0 0
Carbondale/Southern IL Arpt 0.00
Casey 0.00 0.0 0
Centralia 0.00
Effingham Water Plant 0.00 0.0 0
Fairfield 0.00 0.0 0
Grand Chain Dam 0.00
Highland 0.00 0.0 0
Kaskaskia L&D 0.00
Lawrenceville 2WSW 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
Salem 0.00
Smithland Dam 0.00 0.0 0
$$
|
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