| Preliminary data based on the Real-Time Mesoscale Analysis (RTMA)  |
Observed data reported by NWS, FAA and cooperative weather observers
925 AM CDT Tue Jul 21 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 80 63
Barrington 78 66
Batavia 82 59
Chicago Midway Arpt 82 67
Chicago O'Hare Arpt 82 65
Coal City 4NNW 83 64
DeKalb Municipal Arpt 80 58
DeKalb Northern IL Univ 80 65
Elgin 81 62
Freeport 82 63
Freeport/Albertus Arpt 83 59
Gladstone L&D 18 81 66
Greater Kankakee Arpt 81 61
Illinois City L&D 16 79 58
Joliet Rgl Arpt 83 60
Kankakee 81 67
Kewanee 82 65
Lansing Municipal Arpt 81 60
Lisle Morton Arboretum 81 62
Moline/Quad Cities Arpt 84 65
Morris 82 69
Mount Carroll 82 66
Park Forest 81 62
Peru/IL Valley Rgl Arpt 82 66
Rochelle Municipal Arpt 82 56
Romeoville/NWS Chicago 81 62
Savanna/Tri-Township Arpt 83 65
Schaumburg Rgl Arpt 81 60
Sterling/Rock Falls Arpt 76 59
Stockton 82 64
Waukegan Rgl Arpt 82 56
West Chicago/DuPage Arpt 80 58
Wheeling/Chicago Exec Arpt 82 61
...CENTRAL ILLINOIS...
Aledo 84 64
Avon 81 67
Bentley 90 67
Bloomington/Cntrl IL Rgl Arpt 82 61
Champaign 3S 83 71
Champaign/Willard Arpt 81 65
Coles County Arpt 85 64
Danville/Vermilion Rgl Arpt 83 63
Decatur Arpt 84 63
Edgar County Arpt 84 63
Galesburg Municipal Arpt 83 65
Galesburg Water Plant 83 68
Jacksonville Municipal Arpt 87 64
Jerseyville 2 SW 91 69
Knoxville 82 70
La Harpe 88 68
Lacon/Marshall Co Arpt 82 61
Lincoln NWS 84 61
Macomb Municipal Arpt 84 62
Minonk 83 73
Normal 4NE 85 60
Ogden 88 65
Pana 88 66
Paris 85 70
Peoria Intl Arpt 86 66
Pittsfield 89 68
Quincy L&D 21 97 70
Quincy Rgl Arpt 90 68
Sidell 4N 84 73
Springfield/Capital Arpt 85 66
Tuscola 82 67
White Hall 1 E 89 68
Windsor 85 63
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 94 69
Anna 90 74
Cahokia/Parks Arpt 93 71
Carbondale 92 75
Casey 88 73
Crawford County Arpt 87 65
Effingham Co Arpt 88 66
Fairfield Municipal Arpt 90 69
Grand Chain Dam 91 76
Harrisburg Arpt 89 71
Kaskaskia L&D 92 74
Lawrenceville 2WSW 86 73
Lawrenceville/Vincennes Arpt 87 69
Millstadt 90 73
Mt Carmel Municipal Arpt 88 70
Mt Vernon 91 70
Olney/Noble Arpt 89 68
Robinson 87 71
Salem 92 71
Salem/Leckrone Arpt 90 71
Smithland Dam 91 74
$$
|
|
Preliminary data based on the Real-Time Mesoscale Analysis
|
Observed data from NWS, FAA, and cooperative weather observers
925 AM CDT Tue Jul 21 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 80 63
Barrington 78 66
Batavia 82 59
Chicago Midway Arpt 82 67
Chicago O'Hare Arpt 82 65
Coal City 4NNW 83 64
DeKalb Municipal Arpt 80 58
DeKalb Northern IL Univ 80 65
Elgin 81 62
Freeport 82 63
Freeport/Albertus Arpt 83 59
Gladstone L&D 18 81 66
Greater Kankakee Arpt 81 61
Illinois City L&D 16 79 58
Joliet Rgl Arpt 83 60
Kankakee 81 67
Kewanee 82 65
Lansing Municipal Arpt 81 60
Lisle Morton Arboretum 81 62
Moline/Quad Cities Arpt 84 65
Morris 82 69
Mount Carroll 82 66
Park Forest 81 62
Peru/IL Valley Rgl Arpt 82 66
Rochelle Municipal Arpt 82 56
Romeoville/NWS Chicago 81 62
Savanna/Tri-Township Arpt 83 65
Schaumburg Rgl Arpt 81 60
Sterling/Rock Falls Arpt 76 59
Stockton 82 64
Waukegan Rgl Arpt 82 56
West Chicago/DuPage Arpt 80 58
Wheeling/Chicago Exec Arpt 82 61
...CENTRAL ILLINOIS...
Aledo 84 64
Avon 81 67
Bentley 90 67
Bloomington/Cntrl IL Rgl Arpt 82 61
Champaign 3S 83 71
Champaign/Willard Arpt 81 65
Coles County Arpt 85 64
Danville/Vermilion Rgl Arpt 83 63
Decatur Arpt 84 63
Edgar County Arpt 84 63
Galesburg Municipal Arpt 83 65
Galesburg Water Plant 83 68
Jacksonville Municipal Arpt 87 64
Jerseyville 2 SW 91 69
Knoxville 82 70
La Harpe 88 68
Lacon/Marshall Co Arpt 82 61
Lincoln NWS 84 61
Macomb Municipal Arpt 84 62
Minonk 83 73
Normal 4NE 85 60
Ogden 88 65
Pana 88 66
Paris 85 70
Peoria Intl Arpt 86 66
Pittsfield 89 68
Quincy L&D 21 97 70
Quincy Rgl Arpt 90 68
Sidell 4N 84 73
Springfield/Capital Arpt 85 66
Tuscola 82 67
White Hall 1 E 89 68
Windsor 85 63
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 94 69
Anna 90 74
Cahokia/Parks Arpt 93 71
Carbondale 92 75
Casey 88 73
Crawford County Arpt 87 65
Effingham Co Arpt 88 66
Fairfield Municipal Arpt 90 69
Grand Chain Dam 91 76
Harrisburg Arpt 89 71
Kaskaskia L&D 92 74
Lawrenceville 2WSW 86 73
Lawrenceville/Vincennes Arpt 87 69
Millstadt 90 73
Mt Carmel Municipal Arpt 88 70
Mt Vernon 91 70
Olney/Noble Arpt 89 68
Robinson 87 71
Salem 92 71
Salem/Leckrone Arpt 90 71
Smithland Dam 91 74
$$
|
|
Preliminary data based on the Real-Time Mesoscale Analysis
CoCoRaHS Observations: |
Observations from NWS, FAA and cooperative weather observers
920 AM CDT Tue Jul 21 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 0.03 0.0 0
Aurora/Sugar Grove Arpt 0.04
Barrington 0.00 0.0 0
Batavia 0.17 0.0 0
Bourbonnais T 0.0 0
Chicago Midway Arpt 0.02
Chicago O'Hare Arpt 0.00
Coal City 4NNW 0.02 0.0 0
DeKalb Northern IL Univ 0.13 0.0 0
Earlville 3S 0.28 0.0 0
Elgin 0.04 0.0 0
Freeport 0.20
Gladstone L&D 18 1.05 0.0 0
Illinois City L&D 16 1.21
Joliet 2N 0.02
Kankakee 0.00
Kewanee 0.25 0.0 0
Lansing T 0.0 0
Lisle Morton Arboretum 0.10 0.0 0
Mendota 0.33
Moline/Quad Cities Arpt 0.50
Morris 0.06 0.0 0
Mount Carroll 0.58
Park Forest 0.00 0.0 0
Peotone 0.00 0.0 0
Romeoville/NWS Chicago T 0.0 0
Steward 0.17 0.0 0
Stockton 0.28 0.0 0
Waukegan Rgl Arpt 0.00
West Chicago/DuPage Arpt 0.02
Westmont 0.05
Wheeling/Chicago Exec Arpt 0.00
Woodstock 5NW 0.01
...CENTRAL ILLINOIS...
Aledo 1.17 T 0
Arthur 1W 0.00 0.0 0
Athens 4SW 0.11
Avon 0.0 0
Bentley 1.34
Bloomington Waterworks 0.04 0.0 0
Bloomington/Cntrl IL Rgl Arpt 0.01
Buffalo 0.06 0.0 0
Champaign 3S 0.01 0.0 0
Champaign/Willard Arpt 0.00
Coles County Arpt 0.00
Decatur Arpt 0.00
Fisher T
Galesburg Water Plant 0.74
Jerseyville 2 SW 0.00 0.0 0
Knoxville 0.00 0.0 0
La Harpe 1.05
Lake Springfield 0.06
Lincoln NWS 0.06 0.0 0
Lovington T
Mackinaw 3WSW 0.23
Medora 0.01 0.0 0
Minonk 0.08
Morton 0.08 0.0 0
Mount Pulaski 0.02 0.0 0
Moweaqua 2S 0.03
Normal 4NE T 0.0 0
Ogden 0.00 0.0 0
Pana T
Paris 0.00 0.0 0
Peoria 5NW 0.13 0.0 0
Peoria Intl Arpt 0.12
Philo 0.01 0.0 0
Pittsfield 0.29
Quincy L&D 21 0.11
Quincy Rgl Arpt 0.08
Rantoul 0.00
Roanoke 0.08 0.0 0
Sherman 0.10
Sidell 4N 0.00
Springfield/Capital Arpt 0.05
Tuscola T 0.0 0
White Hall 1 E 0.12
Windsor 0.00 0.0 0
Yates City 0.22
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 0.00
Anna 0.00
Cahokia/Parks Arpt 0.00
Carbondale 0.00 0.0 0
Casey 0.00 0.0 0
Centralia 0.00
Edwardsville 2 W 0.00
Grand Chain Dam 0.00 0.0 0
Highland 0.00 0.0 0
Hutsonville 0.00 0.0 0
Kaskaskia L&D 0.00
Lawrenceville 2WSW 0.00
Lawrenceville/Vincennes Arpt 0.00
Medora 0.01 0.0 0
Millstadt 0.00
Mt Vernon 0.00
Robinson 0.00
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
920 AM CDT Tue Jul 21 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 0.03 0.0 0
Aurora/Sugar Grove Arpt 0.04
Barrington 0.00 0.0 0
Batavia 0.17 0.0 0
Bourbonnais T 0.0 0
Chicago Midway Arpt 0.02
Chicago O'Hare Arpt 0.00
Coal City 4NNW 0.02 0.0 0
DeKalb Northern IL Univ 0.13 0.0 0
Earlville 3S 0.28 0.0 0
Elgin 0.04 0.0 0
Freeport 0.20
Gladstone L&D 18 1.05 0.0 0
Illinois City L&D 16 1.21
Joliet 2N 0.02
Kankakee 0.00
Kewanee 0.25 0.0 0
Lansing T 0.0 0
Lisle Morton Arboretum 0.10 0.0 0
Mendota 0.33
Moline/Quad Cities Arpt 0.50
Morris 0.06 0.0 0
Mount Carroll 0.58
Park Forest 0.00 0.0 0
Peotone 0.00 0.0 0
Romeoville/NWS Chicago T 0.0 0
Steward 0.17 0.0 0
Stockton 0.28 0.0 0
Waukegan Rgl Arpt 0.00
West Chicago/DuPage Arpt 0.02
Westmont 0.05
Wheeling/Chicago Exec Arpt 0.00
Woodstock 5NW 0.01
...CENTRAL ILLINOIS...
Aledo 1.17 T 0
Arthur 1W 0.00 0.0 0
Athens 4SW 0.11
Avon 0.0 0
Bentley 1.34
Bloomington Waterworks 0.04 0.0 0
Bloomington/Cntrl IL Rgl Arpt 0.01
Buffalo 0.06 0.0 0
Champaign 3S 0.01 0.0 0
Champaign/Willard Arpt 0.00
Coles County Arpt 0.00
Decatur Arpt 0.00
Fisher T
Galesburg Water Plant 0.74
Jerseyville 2 SW 0.00 0.0 0
Knoxville 0.00 0.0 0
La Harpe 1.05
Lake Springfield 0.06
Lincoln NWS 0.06 0.0 0
Lovington T
Mackinaw 3WSW 0.23
Medora 0.01 0.0 0
Minonk 0.08
Morton 0.08 0.0 0
Mount Pulaski 0.02 0.0 0
Moweaqua 2S 0.03
Normal 4NE T 0.0 0
Ogden 0.00 0.0 0
Pana T
Paris 0.00 0.0 0
Peoria 5NW 0.13 0.0 0
Peoria Intl Arpt 0.12
Philo 0.01 0.0 0
Pittsfield 0.29
Quincy L&D 21 0.11
Quincy Rgl Arpt 0.08
Rantoul 0.00
Roanoke 0.08 0.0 0
Sherman 0.10
Sidell 4N 0.00
Springfield/Capital Arpt 0.05
Tuscola T 0.0 0
White Hall 1 E 0.12
Windsor 0.00 0.0 0
Yates City 0.22
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 0.00
Anna 0.00
Cahokia/Parks Arpt 0.00
Carbondale 0.00 0.0 0
Casey 0.00 0.0 0
Centralia 0.00
Edwardsville 2 W 0.00
Grand Chain Dam 0.00 0.0 0
Highland 0.00 0.0 0
Hutsonville 0.00 0.0 0
Kaskaskia L&D 0.00
Lawrenceville 2WSW 0.00
Lawrenceville/Vincennes Arpt 0.00
Medora 0.01 0.0 0
Millstadt 0.00
Mt Vernon 0.00
Robinson 0.00
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
920 AM CDT Tue Jul 21 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 0.03 0.0 0
Aurora/Sugar Grove Arpt 0.04
Barrington 0.00 0.0 0
Batavia 0.17 0.0 0
Bourbonnais T 0.0 0
Chicago Midway Arpt 0.02
Chicago O'Hare Arpt 0.00
Coal City 4NNW 0.02 0.0 0
DeKalb Northern IL Univ 0.13 0.0 0
Earlville 3S 0.28 0.0 0
Elgin 0.04 0.0 0
Freeport 0.20
Gladstone L&D 18 1.05 0.0 0
Illinois City L&D 16 1.21
Joliet 2N 0.02
Kankakee 0.00
Kewanee 0.25 0.0 0
Lansing T 0.0 0
Lisle Morton Arboretum 0.10 0.0 0
Mendota 0.33
Moline/Quad Cities Arpt 0.50
Morris 0.06 0.0 0
Mount Carroll 0.58
Park Forest 0.00 0.0 0
Peotone 0.00 0.0 0
Romeoville/NWS Chicago T 0.0 0
Steward 0.17 0.0 0
Stockton 0.28 0.0 0
Waukegan Rgl Arpt 0.00
West Chicago/DuPage Arpt 0.02
Westmont 0.05
Wheeling/Chicago Exec Arpt 0.00
Woodstock 5NW 0.01
...CENTRAL ILLINOIS...
Aledo 1.17 T 0
Arthur 1W 0.00 0.0 0
Athens 4SW 0.11
Avon 0.0 0
Bentley 1.34
Bloomington Waterworks 0.04 0.0 0
Bloomington/Cntrl IL Rgl Arpt 0.01
Buffalo 0.06 0.0 0
Champaign 3S 0.01 0.0 0
Champaign/Willard Arpt 0.00
Coles County Arpt 0.00
Decatur Arpt 0.00
Fisher T
Galesburg Water Plant 0.74
Jerseyville 2 SW 0.00 0.0 0
Knoxville 0.00 0.0 0
La Harpe 1.05
Lake Springfield 0.06
Lincoln NWS 0.06 0.0 0
Lovington T
Mackinaw 3WSW 0.23
Medora 0.01 0.0 0
Minonk 0.08
Morton 0.08 0.0 0
Mount Pulaski 0.02 0.0 0
Moweaqua 2S 0.03
Normal 4NE T 0.0 0
Ogden 0.00 0.0 0
Pana T
Paris 0.00 0.0 0
Peoria 5NW 0.13 0.0 0
Peoria Intl Arpt 0.12
Philo 0.01 0.0 0
Pittsfield 0.29
Quincy L&D 21 0.11
Quincy Rgl Arpt 0.08
Rantoul 0.00
Roanoke 0.08 0.0 0
Sherman 0.10
Sidell 4N 0.00
Springfield/Capital Arpt 0.05
Tuscola T 0.0 0
White Hall 1 E 0.12
Windsor 0.00 0.0 0
Yates City 0.22
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 0.00
Anna 0.00
Cahokia/Parks Arpt 0.00
Carbondale 0.00 0.0 0
Casey 0.00 0.0 0
Centralia 0.00
Edwardsville 2 W 0.00
Grand Chain Dam 0.00 0.0 0
Highland 0.00 0.0 0
Hutsonville 0.00 0.0 0
Kaskaskia L&D 0.00
Lawrenceville 2WSW 0.00
Lawrenceville/Vincennes Arpt 0.00
Medora 0.01 0.0 0
Millstadt 0.00
Mt Vernon 0.00
Robinson 0.00
Salem 0.00
Smithland Dam 0.00 0.0 0
$$
|
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