| Preliminary data based on the Real-Time Mesoscale Analysis (RTMA)  |
Observed data reported by NWS, FAA and cooperative weather observers
1211 PM CST Sun Jan 18 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/Sugar Grove Arpt 21 6
Batavia 18 7
Chicago Midway Arpt 26 9
Chicago Midway COOP 15 9
Chicago O'Hare Arpt 25 8
Coal City 4NNW 20 10
DeKalb Municipal Arpt 20 3
DeKalb Northern IL Univ 16 2
Elgin 17 3
Elizabeth 14 0
Freeport 15 2
Freeport/Albertus Arpt 17 3
Greater Kankakee Arpt 28 10
Illinois City L&D 16 12 -1
Joliet Rgl Arpt 27 11
Kewanee 16 6
Lansing Municipal Arpt 26 9
Marseilles 19 10
Moline/Quad Cities Arpt 19 5
Morris Municipal Arpt 24 9
Ottawa 18 7
Park Forest 18 8
Peru/IL Valley Rgl Arpt 19 9
Romeoville/NWS Chicago 23 7
Savanna/Tri-Township Arpt 16 3
Schaumburg Rgl Arpt 23 7
Sterling/Rock Falls Arpt 18 4
Stockton 14 -1
Waukegan Rgl Arpt 23 8
West Chicago/DuPage Arpt 22 6
Wheeling/Chicago Exec Arpt 24 8
...CENTRAL ILLINOIS...
Aledo 16 6
Avon 16 5
Bentley 18 8
Bloomington/Cntrl IL Rgl Arpt 25 10
Champaign/Willard Arpt 29 10
Coles County Arpt 32 11
Danville/Vermilion Rgl Arpt 33 11
Decatur Arpt 29 12
Edgar County Arpt 32 11
Galesburg Municipal Arpt 18 7
Galesburg Water Plant 15 6
Gladstone L&D 18 24 8
Jacksonville 2 19 9
Jacksonville 2E 22 11
Jacksonville Municipal Arpt 25 11
Knoxville 16 7
La Harpe 15 6
Lacon/Marshall Co Arpt 23 9
Lincoln NWS 27 12
Macomb Municipal Arpt 22 8
Minonk 21
Normal 4NE 20 10
Ogden 23 10
Pana 23 11
Paris 21 11
Peoria Intl Arpt 24 10
Pontiac Municipal Arpt 26 10
Quincy L&D 21 17 10
Quincy Rgl Arpt 20 8
Rantoul Aviation Center 28 10
Sidell 4N 25 14
Springfield/Capital Arpt 27 12
Taylorville Municipal Arpt 29 12
Tuscola 22 11
White Hall 1 E 20 10
Windsor 21 10
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 30 11
Anna 32 11
Cahokia/Parks Arpt 28 11
Carbondale/Southern IL Arpt 34 11
Casey 25 8
Crawford County Arpt 36 11
Effingham Co Arpt 33 12
Fairfield 27 13
Fairfield Municipal Arpt 34 12
Grand Chain Dam 33 13
Harrisburg Arpt 35 12
Kaskaskia L&D 31 10
Lawrenceville/Vincennes Arpt 36 4
Millstadt 26 8
Mt Carmel Municipal Arpt 17 13
Mt Vernon 28 8
Olney/Noble Arpt 35 12
Salem 24 11
Salem/Leckrone Arpt 34 13
Smithland Dam 35 12
Sparta Community Arpt 32 11
$$
|
|
Preliminary data based on the Real-Time Mesoscale Analysis
|
Observed data from NWS, FAA, and cooperative weather observers
1211 PM CST Sun Jan 18 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/Sugar Grove Arpt 21 6
Batavia 18 7
Chicago Midway Arpt 26 9
Chicago Midway COOP 15 9
Chicago O'Hare Arpt 25 8
Coal City 4NNW 20 10
DeKalb Municipal Arpt 20 3
DeKalb Northern IL Univ 16 2
Elgin 17 3
Elizabeth 14 0
Freeport 15 2
Freeport/Albertus Arpt 17 3
Greater Kankakee Arpt 28 10
Illinois City L&D 16 12 -1
Joliet Rgl Arpt 27 11
Kewanee 16 6
Lansing Municipal Arpt 26 9
Marseilles 19 10
Moline/Quad Cities Arpt 19 5
Morris Municipal Arpt 24 9
Ottawa 18 7
Park Forest 18 8
Peru/IL Valley Rgl Arpt 19 9
Romeoville/NWS Chicago 23 7
Savanna/Tri-Township Arpt 16 3
Schaumburg Rgl Arpt 23 7
Sterling/Rock Falls Arpt 18 4
Stockton 14 -1
Waukegan Rgl Arpt 23 8
West Chicago/DuPage Arpt 22 6
Wheeling/Chicago Exec Arpt 24 8
...CENTRAL ILLINOIS...
Aledo 16 6
Avon 16 5
Bentley 18 8
Bloomington/Cntrl IL Rgl Arpt 25 10
Champaign/Willard Arpt 29 10
Coles County Arpt 32 11
Danville/Vermilion Rgl Arpt 33 11
Decatur Arpt 29 12
Edgar County Arpt 32 11
Galesburg Municipal Arpt 18 7
Galesburg Water Plant 15 6
Gladstone L&D 18 24 8
Jacksonville 2 19 9
Jacksonville 2E 22 11
Jacksonville Municipal Arpt 25 11
Knoxville 16 7
La Harpe 15 6
Lacon/Marshall Co Arpt 23 9
Lincoln NWS 27 12
Macomb Municipal Arpt 22 8
Minonk 21
Normal 4NE 20 10
Ogden 23 10
Pana 23 11
Paris 21 11
Peoria Intl Arpt 24 10
Pontiac Municipal Arpt 26 10
Quincy L&D 21 17 10
Quincy Rgl Arpt 20 8
Rantoul Aviation Center 28 10
Sidell 4N 25 14
Springfield/Capital Arpt 27 12
Taylorville Municipal Arpt 29 12
Tuscola 22 11
White Hall 1 E 20 10
Windsor 21 10
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 30 11
Anna 32 11
Cahokia/Parks Arpt 28 11
Carbondale/Southern IL Arpt 34 11
Casey 25 8
Crawford County Arpt 36 11
Effingham Co Arpt 33 12
Fairfield 27 13
Fairfield Municipal Arpt 34 12
Grand Chain Dam 33 13
Harrisburg Arpt 35 12
Kaskaskia L&D 31 10
Lawrenceville/Vincennes Arpt 36 4
Millstadt 26 8
Mt Carmel Municipal Arpt 17 13
Mt Vernon 28 8
Olney/Noble Arpt 35 12
Salem 24 11
Salem/Leckrone Arpt 34 13
Smithland Dam 35 12
Sparta Community Arpt 32 11
$$
|
|
Preliminary data based on the Real-Time Mesoscale Analysis
CoCoRaHS Observations: |
Observations from NWS, FAA and cooperative weather observers
920 AM CST Sun Jan 18 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/Sugar Grove Arpt 0.00
Batavia 0.01 0.2 T
Bourbonnais 0.00 0.0 T
Chicago Midway Arpt 0.00
Chicago O'Hare Arpt 0.00
Coal City 4NNW T 0.1 T
DeKalb Northern IL Univ T 0.4 1
Earlville 3S T T 0
Elgin 1.4 1
Elgin 0.07 1.2 2
Elizabeth 0.02 0.4 1
Freeport T 0.2 T
Genoa 0.04 1.0 1
Illinois City L&D 16 0.02
Kewanee T T T
Marseilles 0.00
Mendota 0.00
Moline/Quad Cities Arpt 0.00
Ottawa 0.00
Park Forest 0.01 T 1
Peotone T T T
Romeoville/NWS Chicago 0.01 0.2 T
Steward T T T
Stockton 0.03 0.5 1
Waukegan Rgl Arpt 0.00
West Chicago/DuPage Arpt 0.00
Westmont 0.01 0.3 1
Wheeling/Chicago Exec Arpt 0.00
...CENTRAL ILLINOIS...
Aledo T T T
Athens 4SW T T 0
Augusta T T T
Avon T T 0
Bentley T T T
Bloomington/Cntrl IL Rgl Arpt 0.00
Champaign/Willard Arpt 0.00
Cisco T T T
Coles County Arpt 0.00
Decatur Arpt 0.00
Galesburg Water Plant T T T
Gladstone L&D 18 0.00 0.0 0
Jacksonville 2 T T T
Knoxville 0.00 0.0 0
La Harpe T T T
Lake Springfield 0.00
Lincoln NWS T T T
Macomb 0.00 0.0 T
Mattoon 0.00 0.0 0
Medora T T T
Minonk T
Morton T T 0
Mount Pulaski T T T
Moweaqua 2S 0.00 0.0 T
Normal 4NE T 0.0 0
Ogden T T T
Pana 0.00 0.0 0
Paris 0.00 0.0 0
Peoria 5NW T T 0
Peoria Intl Arpt 0.00
Quincy L&D 21 0.00
Quincy Rgl Arpt 0.00
Rantoul 0.00 0.0 T
Sherman 0.00
Sidell 4N 0.00 0.0 0
Springfield/Capital Arpt 0.00
Tuscola T T 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
Anna 0.00
Beecher City 0.01 0.1 T
Cahokia/Parks Arpt 0.00
Carbondale/Southern IL Arpt 0.00
Clay City 6SSE 0.05 0.4 T
Edwardsville 2 W T T T
Fairfield 0.00 0.0 0
Grand Chain Dam 0.00
Highland 0.01 T T
Hutsonville T 0.0 0
Kaskaskia L&D 0.00 0.0 0
Lawrenceville/Vincennes Arpt 0.01
Medora T T T
Millstadt 0.00
Mt Vernon 0.01
Neoga 0.00 0.0 T
Salem T 0.0 0
Smithland Dam 0.00
$$
|
| 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 CST Sun Jan 18 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/Sugar Grove Arpt 0.00
Batavia 0.01 0.2 T
Bourbonnais 0.00 0.0 T
Chicago Midway Arpt 0.00
Chicago O'Hare Arpt 0.00
Coal City 4NNW T 0.1 T
DeKalb Northern IL Univ T 0.4 1
Earlville 3S T T 0
Elgin 1.4 1
Elgin 0.07 1.2 2
Elizabeth 0.02 0.4 1
Freeport T 0.2 T
Genoa 0.04 1.0 1
Illinois City L&D 16 0.02
Kewanee T T T
Marseilles 0.00
Mendota 0.00
Moline/Quad Cities Arpt 0.00
Ottawa 0.00
Park Forest 0.01 T 1
Peotone T T T
Romeoville/NWS Chicago 0.01 0.2 T
Steward T T T
Stockton 0.03 0.5 1
Waukegan Rgl Arpt 0.00
West Chicago/DuPage Arpt 0.00
Westmont 0.01 0.3 1
Wheeling/Chicago Exec Arpt 0.00
...CENTRAL ILLINOIS...
Aledo T T T
Athens 4SW T T 0
Augusta T T T
Avon T T 0
Bentley T T T
Bloomington/Cntrl IL Rgl Arpt 0.00
Champaign/Willard Arpt 0.00
Cisco T T T
Coles County Arpt 0.00
Decatur Arpt 0.00
Galesburg Water Plant T T T
Gladstone L&D 18 0.00 0.0 0
Jacksonville 2 T T T
Knoxville 0.00 0.0 0
La Harpe T T T
Lake Springfield 0.00
Lincoln NWS T T T
Macomb 0.00 0.0 T
Mattoon 0.00 0.0 0
Medora T T T
Minonk T
Morton T T 0
Mount Pulaski T T T
Moweaqua 2S 0.00 0.0 T
Normal 4NE T 0.0 0
Ogden T T T
Pana 0.00 0.0 0
Paris 0.00 0.0 0
Peoria 5NW T T 0
Peoria Intl Arpt 0.00
Quincy L&D 21 0.00
Quincy Rgl Arpt 0.00
Rantoul 0.00 0.0 T
Sherman 0.00
Sidell 4N 0.00 0.0 0
Springfield/Capital Arpt 0.00
Tuscola T T 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
Anna 0.00
Beecher City 0.01 0.1 T
Cahokia/Parks Arpt 0.00
Carbondale/Southern IL Arpt 0.00
Clay City 6SSE 0.05 0.4 T
Edwardsville 2 W T T T
Fairfield 0.00 0.0 0
Grand Chain Dam 0.00
Highland 0.01 T T
Hutsonville T 0.0 0
Kaskaskia L&D 0.00 0.0 0
Lawrenceville/Vincennes Arpt 0.01
Medora T T T
Millstadt 0.00
Mt Vernon 0.01
Neoga 0.00 0.0 T
Salem T 0.0 0
Smithland Dam 0.00
$$
|
| 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 CST Sun Jan 18 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/Sugar Grove Arpt 0.00
Batavia 0.01 0.2 T
Bourbonnais 0.00 0.0 T
Chicago Midway Arpt 0.00
Chicago O'Hare Arpt 0.00
Coal City 4NNW T 0.1 T
DeKalb Northern IL Univ T 0.4 1
Earlville 3S T T 0
Elgin 1.4 1
Elgin 0.07 1.2 2
Elizabeth 0.02 0.4 1
Freeport T 0.2 T
Genoa 0.04 1.0 1
Illinois City L&D 16 0.02
Kewanee T T T
Marseilles 0.00
Mendota 0.00
Moline/Quad Cities Arpt 0.00
Ottawa 0.00
Park Forest 0.01 T 1
Peotone T T T
Romeoville/NWS Chicago 0.01 0.2 T
Steward T T T
Stockton 0.03 0.5 1
Waukegan Rgl Arpt 0.00
West Chicago/DuPage Arpt 0.00
Westmont 0.01 0.3 1
Wheeling/Chicago Exec Arpt 0.00
...CENTRAL ILLINOIS...
Aledo T T T
Athens 4SW T T 0
Augusta T T T
Avon T T 0
Bentley T T T
Bloomington/Cntrl IL Rgl Arpt 0.00
Champaign/Willard Arpt 0.00
Cisco T T T
Coles County Arpt 0.00
Decatur Arpt 0.00
Galesburg Water Plant T T T
Gladstone L&D 18 0.00 0.0 0
Jacksonville 2 T T T
Knoxville 0.00 0.0 0
La Harpe T T T
Lake Springfield 0.00
Lincoln NWS T T T
Macomb 0.00 0.0 T
Mattoon 0.00 0.0 0
Medora T T T
Minonk T
Morton T T 0
Mount Pulaski T T T
Moweaqua 2S 0.00 0.0 T
Normal 4NE T 0.0 0
Ogden T T T
Pana 0.00 0.0 0
Paris 0.00 0.0 0
Peoria 5NW T T 0
Peoria Intl Arpt 0.00
Quincy L&D 21 0.00
Quincy Rgl Arpt 0.00
Rantoul 0.00 0.0 T
Sherman 0.00
Sidell 4N 0.00 0.0 0
Springfield/Capital Arpt 0.00
Tuscola T T 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
Anna 0.00
Beecher City 0.01 0.1 T
Cahokia/Parks Arpt 0.00
Carbondale/Southern IL Arpt 0.00
Clay City 6SSE 0.05 0.4 T
Edwardsville 2 W T T T
Fairfield 0.00 0.0 0
Grand Chain Dam 0.00
Highland 0.01 T T
Hutsonville T 0.0 0
Kaskaskia L&D 0.00 0.0 0
Lawrenceville/Vincennes Arpt 0.01
Medora T T T
Millstadt 0.00
Mt Vernon 0.01
Neoga 0.00 0.0 T
Salem T 0.0 0
Smithland Dam 0.00
$$
|
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