| Preliminary data based on the Real-Time Mesoscale Analysis (RTMA)  |
Observed data reported by NWS, FAA and cooperative weather observers
925 AM CDT Sat May 16 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 76 57
Aurora/Sugar Grove Arpt 78 51
Barrington 74 52
Batavia 77 57
Chicago Midway Arpt 76 55
Chicago O'Hare Arpt 75 53
Coal City 4NNW 76 56
DeKalb Municipal Arpt 76 51
DeKalb Northern IL Univ 77 57
Elgin 76 57
Elizabeth 81 59
Freeport 81 58
Freeport/Albertus Arpt 81 53
Gladstone L&D 18 77 55
Greater Kankakee Arpt 73 50
Illinois City L&D 16 84 35
Joliet Rgl Arpt 76 55
Kewanee 78 54
Lansing Municipal Arpt 73 46
Marseilles 85 60
Moline/Quad Cities Arpt 82 57
Morris 77 57
Park Forest 74 52
Peru/IL Valley Rgl Arpt 81 55
Rochelle Municipal Arpt 81 55
Romeoville/NWS Chicago 74 51
Savanna/Tri-Township Arpt 84 58
Schaumburg Rgl Arpt 75 52
Sterling/Rock Falls Arpt 82 57
Stockton 83 48
Waukegan Rgl Arpt 75 51
West Chicago/DuPage Arpt 74 51
Wheeling/Chicago Exec Arpt 75 48
...CENTRAL ILLINOIS...
Aledo 80 55
Avon 78 52
Bentley 83 49
Bloomington/Cntrl IL Rgl Arpt 75 51
Champaign/Willard Arpt 74 50
Coles County Arpt 75 50
Danville/Vermilion Rgl Arpt 72 50
Decatur Arpt 77 51
Edgar County Arpt 74 50
Galesburg Municipal Arpt 79 53
Galesburg Water Plant 79 54
Jacksonville 2 83 52
Jacksonville Municipal Arpt 81 51
La Harpe 81 52
Lacon/Marshall Co Arpt 77 52
Lincoln NWS 77 51
Macomb Municipal Arpt 81 53
Minonk 77 53
Morrisonville 83 59
Normal 4NE 74 55
Ogden 71 50
Pana 80 52
Paris 74 48
Peoria Intl Arpt 78 53
Pittsfield/Penstone Arpt 83 53
Pontiac Municipal Arpt 77 54
Quincy L&D 21 87 56
Quincy Rgl Arpt 82 54
Rantoul Aviation Center 74 51
Shelbyville Dam 78 48
Springfield/Capital Arpt 80 52
Tuscola 74 50
Windsor 76 50
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 84 59
Anna 80 50
Cahokia/Parks Arpt 84 58
Carbondale/Southern IL Arpt 82 54
Crawford County Arpt 79 48
Effingham Co Arpt 79 51
Fairfield 80 56
Fairfield Municipal Arpt 81 53
Grand Chain Dam 83 56
Harrisburg Arpt 82 49
Kaskaskia L&D 83 57
Lawrenceville/Vincennes Arpt 80 49
Millstadt 79 57
Mt Carmel Municipal Arpt 81 51
Mt Vernon 81 56
Olney/Noble Arpt 79 52
Salem 82 54
Salem/Leckrone Arpt 82 55
Smithland Dam 82 54
$$
|
|
Preliminary data based on the Real-Time Mesoscale Analysis
|
Observed data from NWS, FAA, and cooperative weather observers
925 AM CDT Sat May 16 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 76 57
Aurora/Sugar Grove Arpt 78 51
Barrington 74 52
Batavia 77 57
Chicago Midway Arpt 76 55
Chicago O'Hare Arpt 75 53
Coal City 4NNW 76 56
DeKalb Municipal Arpt 76 51
DeKalb Northern IL Univ 77 57
Elgin 76 57
Elizabeth 81 59
Freeport 81 58
Freeport/Albertus Arpt 81 53
Gladstone L&D 18 77 55
Greater Kankakee Arpt 73 50
Illinois City L&D 16 84 35
Joliet Rgl Arpt 76 55
Kewanee 78 54
Lansing Municipal Arpt 73 46
Marseilles 85 60
Moline/Quad Cities Arpt 82 57
Morris 77 57
Park Forest 74 52
Peru/IL Valley Rgl Arpt 81 55
Rochelle Municipal Arpt 81 55
Romeoville/NWS Chicago 74 51
Savanna/Tri-Township Arpt 84 58
Schaumburg Rgl Arpt 75 52
Sterling/Rock Falls Arpt 82 57
Stockton 83 48
Waukegan Rgl Arpt 75 51
West Chicago/DuPage Arpt 74 51
Wheeling/Chicago Exec Arpt 75 48
...CENTRAL ILLINOIS...
Aledo 80 55
Avon 78 52
Bentley 83 49
Bloomington/Cntrl IL Rgl Arpt 75 51
Champaign/Willard Arpt 74 50
Coles County Arpt 75 50
Danville/Vermilion Rgl Arpt 72 50
Decatur Arpt 77 51
Edgar County Arpt 74 50
Galesburg Municipal Arpt 79 53
Galesburg Water Plant 79 54
Jacksonville 2 83 52
Jacksonville Municipal Arpt 81 51
La Harpe 81 52
Lacon/Marshall Co Arpt 77 52
Lincoln NWS 77 51
Macomb Municipal Arpt 81 53
Minonk 77 53
Morrisonville 83 59
Normal 4NE 74 55
Ogden 71 50
Pana 80 52
Paris 74 48
Peoria Intl Arpt 78 53
Pittsfield/Penstone Arpt 83 53
Pontiac Municipal Arpt 77 54
Quincy L&D 21 87 56
Quincy Rgl Arpt 82 54
Rantoul Aviation Center 74 51
Shelbyville Dam 78 48
Springfield/Capital Arpt 80 52
Tuscola 74 50
Windsor 76 50
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 84 59
Anna 80 50
Cahokia/Parks Arpt 84 58
Carbondale/Southern IL Arpt 82 54
Crawford County Arpt 79 48
Effingham Co Arpt 79 51
Fairfield 80 56
Fairfield Municipal Arpt 81 53
Grand Chain Dam 83 56
Harrisburg Arpt 82 49
Kaskaskia L&D 83 57
Lawrenceville/Vincennes Arpt 80 49
Millstadt 79 57
Mt Carmel Municipal Arpt 81 51
Mt Vernon 81 56
Olney/Noble Arpt 79 52
Salem 82 54
Salem/Leckrone Arpt 82 55
Smithland Dam 82 54
$$
|
|
Preliminary data based on the Real-Time Mesoscale Analysis
CoCoRaHS Observations: |
Observations from NWS, FAA and cooperative weather observers
920 AM CDT Sat May 16 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 0.00
Aurora/Sugar Grove Arpt 0.10
Barrington 0.00
Batavia 0.00 0.0 0
Bourbonnais 0.07 0.0 0
Chicago Midway Arpt 0.00
Chicago O'Hare Arpt 0.00
Coal City 4NNW 0.08 0.0 0
DeKalb Northern IL Univ 0.10 0.0 0
Earlville 3S 0.17 0.0 0
Elgin 0.04
Elgin 0.07 0.0 0
Elizabeth 0.35 0.0 0
Freeport 0.44
Genoa 0.10
Gladstone L&D 18 0.30
Hebron 0.43 T 0
Illinois City L&D 16 0.01
Joliet 2N 0.09
Kewanee 0.35 0.0 0
Lake Zurich 0.04 0.0 0
Lansing 0.06 0.0 0
Marseilles 0.00
Mendota 0.27
Moline/Quad Cities Arpt 0.64
Morris 0.25 0.0 0
Park Forest 0.00
Peotone 0.04 0.0 0
Romeoville/NWS Chicago 0.04 0.0 0
Steward 0.0 0
Stockton 0.43 0.0 0
Streator 0.00
Watseka 0.13 0.0 0
Waukegan Rgl Arpt 0.28
West Chicago/DuPage Arpt 0.05
Wheeling/Chicago Exec Arpt 0.00
Willow Springs 0.05
Woodstock 5NW 0.19 0.0 0
...CENTRAL ILLINOIS...
Aledo 0.74 T 0
Arthur 1W T 0.0 0
Athens 4SW 0.01
Augusta T 0.0 0
Avon 0.00 0.0 0
Bentley 0.00
Bloomington/Cntrl IL Rgl Arpt 0.00
Champaign/Willard Arpt 0.30
Cisco 0.17 0.0 0
Galesburg Water Plant 0.15
Jacksonville 2 0.00 0.0 0
La Harpe 0.00
Lake Springfield 0.00
Lincoln NWS 0.01 0.0 0
Lovington 0.10
Mattoon 0.05 0.0 0
Medora 0.00 0.0 0
Minonk 0.37
Morton 0.01 0.0 0
Mount Pulaski 0.04 0.0 0
Moweaqua 2S 0.24
Normal 4NE 0.30 0.0 0
Ogden 0.38 0.0 0
Pana 0.12 0.0 0
Paris 0.01 0.0 0
Peoria 5NW 0.10 0.0 0
Peoria Intl Arpt 0.02
Quincy L&D 21 0.00 0.0 0
Quincy Rgl Arpt 0.00
Rantoul 0.04
Shelbyville Dam 0.23 0.0 0
Springfield/Capital Arpt 0.00
Tuscola 0.08 0.0 0
Windsor 0.40 0.0 0
Yates City 0.09
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 0.00
Anna 0.00
Carbondale/Southern IL Arpt 0.00
Centralia 0.01
Clay City 6SSE 0.17 0.0 0
Edwardsville 2 W 0.05
Effingham Water Plant 0.30
Fairfield 0.02 0.0 0
Grand Chain Dam 0.00 0.0 0
Highland 0.02 0.0 0
Hutsonville 0.18 0.0 0
Kaskaskia L&D 0.00 0.0 0
Lawrenceville/Vincennes Arpt 0.13
Medora 0.00 0.0 0
Millstadt 0.00
Mt Vernon 0.00
Salem 0.12 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)
CoCoRaHS Observations: |
Observations from NWS, FAA and cooperative weather observers
920 AM CDT Sat May 16 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 0.00
Aurora/Sugar Grove Arpt 0.10
Barrington 0.00
Batavia 0.00 0.0 0
Bourbonnais 0.07 0.0 0
Chicago Midway Arpt 0.00
Chicago O'Hare Arpt 0.00
Coal City 4NNW 0.08 0.0 0
DeKalb Northern IL Univ 0.10 0.0 0
Earlville 3S 0.17 0.0 0
Elgin 0.04
Elgin 0.07 0.0 0
Elizabeth 0.35 0.0 0
Freeport 0.44
Genoa 0.10
Gladstone L&D 18 0.30
Hebron 0.43 T 0
Illinois City L&D 16 0.01
Joliet 2N 0.09
Kewanee 0.35 0.0 0
Lake Zurich 0.04 0.0 0
Lansing 0.06 0.0 0
Marseilles 0.00
Mendota 0.27
Moline/Quad Cities Arpt 0.64
Morris 0.25 0.0 0
Park Forest 0.00
Peotone 0.04 0.0 0
Romeoville/NWS Chicago 0.04 0.0 0
Steward 0.0 0
Stockton 0.43 0.0 0
Streator 0.00
Watseka 0.13 0.0 0
Waukegan Rgl Arpt 0.28
West Chicago/DuPage Arpt 0.05
Wheeling/Chicago Exec Arpt 0.00
Willow Springs 0.05
Woodstock 5NW 0.19 0.0 0
...CENTRAL ILLINOIS...
Aledo 0.74 T 0
Arthur 1W T 0.0 0
Athens 4SW 0.01
Augusta T 0.0 0
Avon 0.00 0.0 0
Bentley 0.00
Bloomington/Cntrl IL Rgl Arpt 0.00
Champaign/Willard Arpt 0.30
Cisco 0.17 0.0 0
Galesburg Water Plant 0.15
Jacksonville 2 0.00 0.0 0
La Harpe 0.00
Lake Springfield 0.00
Lincoln NWS 0.01 0.0 0
Lovington 0.10
Mattoon 0.05 0.0 0
Medora 0.00 0.0 0
Minonk 0.37
Morton 0.01 0.0 0
Mount Pulaski 0.04 0.0 0
Moweaqua 2S 0.24
Normal 4NE 0.30 0.0 0
Ogden 0.38 0.0 0
Pana 0.12 0.0 0
Paris 0.01 0.0 0
Peoria 5NW 0.10 0.0 0
Peoria Intl Arpt 0.02
Quincy L&D 21 0.00 0.0 0
Quincy Rgl Arpt 0.00
Rantoul 0.04
Shelbyville Dam 0.23 0.0 0
Springfield/Capital Arpt 0.00
Tuscola 0.08 0.0 0
Windsor 0.40 0.0 0
Yates City 0.09
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 0.00
Anna 0.00
Carbondale/Southern IL Arpt 0.00
Centralia 0.01
Clay City 6SSE 0.17 0.0 0
Edwardsville 2 W 0.05
Effingham Water Plant 0.30
Fairfield 0.02 0.0 0
Grand Chain Dam 0.00 0.0 0
Highland 0.02 0.0 0
Hutsonville 0.18 0.0 0
Kaskaskia L&D 0.00 0.0 0
Lawrenceville/Vincennes Arpt 0.13
Medora 0.00 0.0 0
Millstadt 0.00
Mt Vernon 0.00
Salem 0.12 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)
CoCoRaHS Observations: |
Observations from NWS, FAA and cooperative weather observers
920 AM CDT Sat May 16 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 0.00
Aurora/Sugar Grove Arpt 0.10
Barrington 0.00
Batavia 0.00 0.0 0
Bourbonnais 0.07 0.0 0
Chicago Midway Arpt 0.00
Chicago O'Hare Arpt 0.00
Coal City 4NNW 0.08 0.0 0
DeKalb Northern IL Univ 0.10 0.0 0
Earlville 3S 0.17 0.0 0
Elgin 0.04
Elgin 0.07 0.0 0
Elizabeth 0.35 0.0 0
Freeport 0.44
Genoa 0.10
Gladstone L&D 18 0.30
Hebron 0.43 T 0
Illinois City L&D 16 0.01
Joliet 2N 0.09
Kewanee 0.35 0.0 0
Lake Zurich 0.04 0.0 0
Lansing 0.06 0.0 0
Marseilles 0.00
Mendota 0.27
Moline/Quad Cities Arpt 0.64
Morris 0.25 0.0 0
Park Forest 0.00
Peotone 0.04 0.0 0
Romeoville/NWS Chicago 0.04 0.0 0
Steward 0.0 0
Stockton 0.43 0.0 0
Streator 0.00
Watseka 0.13 0.0 0
Waukegan Rgl Arpt 0.28
West Chicago/DuPage Arpt 0.05
Wheeling/Chicago Exec Arpt 0.00
Willow Springs 0.05
Woodstock 5NW 0.19 0.0 0
...CENTRAL ILLINOIS...
Aledo 0.74 T 0
Arthur 1W T 0.0 0
Athens 4SW 0.01
Augusta T 0.0 0
Avon 0.00 0.0 0
Bentley 0.00
Bloomington/Cntrl IL Rgl Arpt 0.00
Champaign/Willard Arpt 0.30
Cisco 0.17 0.0 0
Galesburg Water Plant 0.15
Jacksonville 2 0.00 0.0 0
La Harpe 0.00
Lake Springfield 0.00
Lincoln NWS 0.01 0.0 0
Lovington 0.10
Mattoon 0.05 0.0 0
Medora 0.00 0.0 0
Minonk 0.37
Morton 0.01 0.0 0
Mount Pulaski 0.04 0.0 0
Moweaqua 2S 0.24
Normal 4NE 0.30 0.0 0
Ogden 0.38 0.0 0
Pana 0.12 0.0 0
Paris 0.01 0.0 0
Peoria 5NW 0.10 0.0 0
Peoria Intl Arpt 0.02
Quincy L&D 21 0.00 0.0 0
Quincy Rgl Arpt 0.00
Rantoul 0.04
Shelbyville Dam 0.23 0.0 0
Springfield/Capital Arpt 0.00
Tuscola 0.08 0.0 0
Windsor 0.40 0.0 0
Yates City 0.09
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 0.00
Anna 0.00
Carbondale/Southern IL Arpt 0.00
Centralia 0.01
Clay City 6SSE 0.17 0.0 0
Edwardsville 2 W 0.05
Effingham Water Plant 0.30
Fairfield 0.02 0.0 0
Grand Chain Dam 0.00 0.0 0
Highland 0.02 0.0 0
Hutsonville 0.18 0.0 0
Kaskaskia L&D 0.00 0.0 0
Lawrenceville/Vincennes Arpt 0.13
Medora 0.00 0.0 0
Millstadt 0.00
Mt Vernon 0.00
Salem 0.12 0.0 0
Smithland Dam 0.00 0.0 0
$$
|
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