Extremely critical fire weather concerns for portions of the southern High Plans as strong wind and very dry conditions could result in rapid spread of any fires. Meanwhile, severe thunderstorms are expected once again across areas of the Central and Southern Plains, then spreading in the Mississippi Valley regions on Monday. Damaging winds, very large hail and strong tornadoes are possible. Read More >
| Preliminary data based on the Real-Time Mesoscale Analysis (RTMA)  |
Observed data reported by NWS, FAA and cooperative weather observers
943 AM CDT Fri May 1 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 58 39
Aurora/Sugar Grove Arpt 59 33
Barrington 55 35
Batavia 59 35
Chicago Midway Arpt 56 38
Chicago O'Hare Arpt 56 37
Coal City 4NNW 62 40
DeKalb Municipal Arpt 56 35
DeKalb Northern IL Univ 56 38
Elgin 57 38
Elizabeth 55 34
Freeport 57 36
Freeport/Albertus Arpt 56 36
Greater Kankakee Arpt 62 35
Illinois City L&D 16 32
Joliet Rgl Arpt 62 33
Kankakee 61 38
Lansing Municipal Arpt 56 33
Lisle Morton Arboretum 59 34
Marseilles 64 41
Moline/Quad Cities Arpt 58 34
Morris 61 41
Mount Carroll 57 34
New Boston L&D 17 61 41
Ottawa 61 38
Park Forest 60 35
Paw Paw 58 35
Peru/IL Valley Rgl Arpt 63 39
Rochelle Municipal Arpt 58 33
Romeoville/NWS Chicago 59 35
Savanna/Tri-Township Arpt 58 38
Schaumburg Rgl Arpt 56 37
Sterling/Rock Falls Arpt 60 36
Stockton 55 33
Waukegan Rgl Arpt 49 31
West Chicago/DuPage Arpt 57 35
Wheeling/Chicago Exec Arpt 54 36
...CENTRAL ILLINOIS...
Aledo 61 35
Avon 58 36
Bentley 62 37
Bloomington/Cntrl IL Rgl Arpt 61 37
Champaign 3S 63 44
Champaign/Willard Arpt 62 37
Coles County Arpt 62 40
Danville/Vermilion Rgl Arpt 63 37
Decatur Arpt 62 38
Edgar County Arpt 62 38
Galesburg Municipal Arpt 58 33
Galesburg Water Plant 57 34
Gladstone L&D 18 56 37
Jacksonville 2 64 36
Jacksonville 2E 66 35
Jacksonville Municipal Arpt 64 38
Jerseyville 2 SW 66 40
Knoxville 58 35
La Harpe 61 34
Lacon/Marshall Co Arpt 61 35
Lincoln NWS 62 36
Macomb Municipal Arpt 61 35
Minonk 67 39
Monmouth 4NW 58 35
Normal 4NE 60 34
Ogden 65 37
Pana 65 42
Paris 62 39
Peoria Intl Arpt 61 36
Pittsfield 64 40
Pontiac Municipal Arpt 63 35
Quincy L&D 21 66 41
Quincy Rgl Arpt 63 37
Rantoul Aviation Center 61 37
Shelbyville Dam 65 44
Springfield/Capital Arpt 63 37
Tuscola 63 42
Windsor 63 39
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 59 42
Anna 64 44
Cahokia/Parks Arpt 67 40
Carbondale 65 46
Carbondale/Southern IL Arpt 65 42
Casey 65 42
Crawford County Arpt 64 40
Effingham Co Arpt 64 39
Fairfield 63 41
Fairfield Municipal Arpt 63 41
Grand Chain Dam 66 46
Harrisburg Arpt 65 42
Kaskaskia L&D 67 46
Lawrenceville 2WSW 65 39
Lawrenceville/Vincennes Arpt 64 42
Millstadt 64 43
Mt Carmel Municipal Arpt 64 44
Mt Vernon 65 39
Olney 2S 64 42
Olney/Noble Arpt 63 42
Salem 65 41
Salem/Leckrone Arpt 65 43
Smithland Dam 65 45
$$
|
|
Preliminary data based on the Real-Time Mesoscale Analysis
|
Observed data from NWS, FAA, and cooperative weather observers
943 AM CDT Fri May 1 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 58 39
Aurora/Sugar Grove Arpt 59 33
Barrington 55 35
Batavia 59 35
Chicago Midway Arpt 56 38
Chicago O'Hare Arpt 56 37
Coal City 4NNW 62 40
DeKalb Municipal Arpt 56 35
DeKalb Northern IL Univ 56 38
Elgin 57 38
Elizabeth 55 34
Freeport 57 36
Freeport/Albertus Arpt 56 36
Greater Kankakee Arpt 62 35
Illinois City L&D 16 32
Joliet Rgl Arpt 62 33
Kankakee 61 38
Lansing Municipal Arpt 56 33
Lisle Morton Arboretum 59 34
Marseilles 64 41
Moline/Quad Cities Arpt 58 34
Morris 61 41
Mount Carroll 57 34
New Boston L&D 17 61 41
Ottawa 61 38
Park Forest 60 35
Paw Paw 58 35
Peru/IL Valley Rgl Arpt 63 39
Rochelle Municipal Arpt 58 33
Romeoville/NWS Chicago 59 35
Savanna/Tri-Township Arpt 58 38
Schaumburg Rgl Arpt 56 37
Sterling/Rock Falls Arpt 60 36
Stockton 55 33
Waukegan Rgl Arpt 49 31
West Chicago/DuPage Arpt 57 35
Wheeling/Chicago Exec Arpt 54 36
...CENTRAL ILLINOIS...
Aledo 61 35
Avon 58 36
Bentley 62 37
Bloomington/Cntrl IL Rgl Arpt 61 37
Champaign 3S 63 44
Champaign/Willard Arpt 62 37
Coles County Arpt 62 40
Danville/Vermilion Rgl Arpt 63 37
Decatur Arpt 62 38
Edgar County Arpt 62 38
Galesburg Municipal Arpt 58 33
Galesburg Water Plant 57 34
Gladstone L&D 18 56 37
Jacksonville 2 64 36
Jacksonville 2E 66 35
Jacksonville Municipal Arpt 64 38
Jerseyville 2 SW 66 40
Knoxville 58 35
La Harpe 61 34
Lacon/Marshall Co Arpt 61 35
Lincoln NWS 62 36
Macomb Municipal Arpt 61 35
Minonk 67 39
Monmouth 4NW 58 35
Normal 4NE 60 34
Ogden 65 37
Pana 65 42
Paris 62 39
Peoria Intl Arpt 61 36
Pittsfield 64 40
Pontiac Municipal Arpt 63 35
Quincy L&D 21 66 41
Quincy Rgl Arpt 63 37
Rantoul Aviation Center 61 37
Shelbyville Dam 65 44
Springfield/Capital Arpt 63 37
Tuscola 63 42
Windsor 63 39
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 59 42
Anna 64 44
Cahokia/Parks Arpt 67 40
Carbondale 65 46
Carbondale/Southern IL Arpt 65 42
Casey 65 42
Crawford County Arpt 64 40
Effingham Co Arpt 64 39
Fairfield 63 41
Fairfield Municipal Arpt 63 41
Grand Chain Dam 66 46
Harrisburg Arpt 65 42
Kaskaskia L&D 67 46
Lawrenceville 2WSW 65 39
Lawrenceville/Vincennes Arpt 64 42
Millstadt 64 43
Mt Carmel Municipal Arpt 64 44
Mt Vernon 65 39
Olney 2S 64 42
Olney/Noble Arpt 63 42
Salem 65 41
Salem/Leckrone Arpt 65 43
Smithland Dam 65 45
$$
|
|
Preliminary data based on the Real-Time Mesoscale Analysis
CoCoRaHS Observations: |
Observations from NWS, FAA and cooperative weather observers
942 AM CDT Fri May 1 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...
Amboy 0.22
Aurora 0.42
Aurora/Sugar Grove Arpt 0.32
Barrington 0.06
Batavia 0.30 0.0 0
Bourbonnais 0.14 0.0 0
Chicago Midway Arpt 0.23
Chicago O'Hare Arpt 0.21
Coal City 4NNW 0.18 0.0 0
DeKalb Northern IL Univ 0.15 0.0 0
Elgin 0.20 0.0 0
Elgin 0.20 0.0 0
Elizabeth 0.01 0.0 0
Freeport 0.17 0.0 0
Illinois City L&D 16 0.05
Kankakee 0.10
Lake Zurich 0.05 0.0 0
Lansing 0.20 0.0 0
Lisle Morton Arboretum 0.45 0.0 0
Marseilles 0.00
Mendota 0.00
Moline/Quad Cities Arpt 0.01
Monee 0.22 0.0 0
Morris 0.12 0.0 0
Mount Carroll 0.07
New Boston L&D 17 0.04
Ottawa 0.16
Park Forest 0.20 0.0 0
Paw Paw 0.15 0.0 0
Romeoville/NWS Chicago 0.15 0.0 0
Steward 0.00 0.0 0
Stockton 0.02 0.0 0
Streator 0.02 0.0 0
Waukegan Rgl Arpt 0.11
West Chicago/DuPage Arpt 0.24
Westmont 0.38
Wheeling/Chicago Exec Arpt 0.03
Willow Springs 0.20
Woodstock 5NW 0.14 0.0 0
...CENTRAL ILLINOIS...
Aledo T 0.0 0
Athens 4SW 0.05
Avon T 0.0 0
Bentley 0.42
Bloomington Waterworks 0.22 0.0 0
Bloomington/Cntrl IL Rgl Arpt 0.06
Champaign 3S 0.04 0.0 0
Champaign/Willard Arpt 0.02
Cisco T 0.0 0
Coles County Arpt 0.06
Decatur Arpt 0.01
Fisher 0.14
Galesburg Water Plant 0.00
Gladstone L&D 18 0.01 0.0 0
Havana 0.11
Jacksonville 2 T 0.0 0
Jacksonville 2E 0.05 0.0 0
Jerseyville 2 SW 0.00 0.0 0
Knoxville 0.00 0.0 0
La Harpe 0.05
Lincoln NWS 0.05 0.0 0
Lovington T
Macomb 0.05 0.0 0
Mattoon 0.08 0.0 0
Medora T 0.0 0
Minonk 0.11
Monmouth 4NW 0.01
Morton 0.06 0.0 0
Mount Pulaski 0.03 0.0 0
Moweaqua 2S 0.00
Normal 4NE 0.12 0.0 0
Ogden 0.05 0.0 0
Pana T 0.0 0
Paris 0.06 0.0 0
Peoria 5NW 0.08 0.0 0
Peoria Intl Arpt 0.12
Pittsfield T
Quincy L&D 21 0.13 0.0 0
Quincy Rgl Arpt 0.06
Rantoul 0.06
Roanoke 0.05
Shelbyville Dam 0.06 0.0 0
Sherman 0.06
Springfield/Capital Arpt 0.01
Tuscola 0.05 0.0 0
Windsor 0.05 0.0 0
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 0.00 0.0 0
Anna 0.00
Beecher City 0.00 0.0 0
Cahokia/Parks Arpt 0.01
Carbondale 0.00 0.0 0
Carbondale/Southern IL Arpt 0.00
Casey 0.02 0.0 0
Centralia 0.07
Edwardsville 2 W 0.00
Effingham Water Plant 0.05 0.0 0
Fairfield 0.00 0.0 0
Grand Chain Dam 0.00
Highland 0.01 0.0 0
Kaskaskia L&D 0.00 0.0 0
Lawrenceville 2WSW 0.00
Lawrenceville/Vincennes Arpt 0.00
Medora T 0.0 0
Millstadt 0.00
Olney 2S 0.07 0.0 0
Salem 0.05
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
942 AM CDT Fri May 1 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...
Amboy 0.22
Aurora 0.42
Aurora/Sugar Grove Arpt 0.32
Barrington 0.06
Batavia 0.30 0.0 0
Bourbonnais 0.14 0.0 0
Chicago Midway Arpt 0.23
Chicago O'Hare Arpt 0.21
Coal City 4NNW 0.18 0.0 0
DeKalb Northern IL Univ 0.15 0.0 0
Elgin 0.20 0.0 0
Elgin 0.20 0.0 0
Elizabeth 0.01 0.0 0
Freeport 0.17 0.0 0
Illinois City L&D 16 0.05
Kankakee 0.10
Lake Zurich 0.05 0.0 0
Lansing 0.20 0.0 0
Lisle Morton Arboretum 0.45 0.0 0
Marseilles 0.00
Mendota 0.00
Moline/Quad Cities Arpt 0.01
Monee 0.22 0.0 0
Morris 0.12 0.0 0
Mount Carroll 0.07
New Boston L&D 17 0.04
Ottawa 0.16
Park Forest 0.20 0.0 0
Paw Paw 0.15 0.0 0
Romeoville/NWS Chicago 0.15 0.0 0
Steward 0.00 0.0 0
Stockton 0.02 0.0 0
Streator 0.02 0.0 0
Waukegan Rgl Arpt 0.11
West Chicago/DuPage Arpt 0.24
Westmont 0.38
Wheeling/Chicago Exec Arpt 0.03
Willow Springs 0.20
Woodstock 5NW 0.14 0.0 0
...CENTRAL ILLINOIS...
Aledo T 0.0 0
Athens 4SW 0.05
Avon T 0.0 0
Bentley 0.42
Bloomington Waterworks 0.22 0.0 0
Bloomington/Cntrl IL Rgl Arpt 0.06
Champaign 3S 0.04 0.0 0
Champaign/Willard Arpt 0.02
Cisco T 0.0 0
Coles County Arpt 0.06
Decatur Arpt 0.01
Fisher 0.14
Galesburg Water Plant 0.00
Gladstone L&D 18 0.01 0.0 0
Havana 0.11
Jacksonville 2 T 0.0 0
Jacksonville 2E 0.05 0.0 0
Jerseyville 2 SW 0.00 0.0 0
Knoxville 0.00 0.0 0
La Harpe 0.05
Lincoln NWS 0.05 0.0 0
Lovington T
Macomb 0.05 0.0 0
Mattoon 0.08 0.0 0
Medora T 0.0 0
Minonk 0.11
Monmouth 4NW 0.01
Morton 0.06 0.0 0
Mount Pulaski 0.03 0.0 0
Moweaqua 2S 0.00
Normal 4NE 0.12 0.0 0
Ogden 0.05 0.0 0
Pana T 0.0 0
Paris 0.06 0.0 0
Peoria 5NW 0.08 0.0 0
Peoria Intl Arpt 0.12
Pittsfield T
Quincy L&D 21 0.13 0.0 0
Quincy Rgl Arpt 0.06
Rantoul 0.06
Roanoke 0.05
Shelbyville Dam 0.06 0.0 0
Sherman 0.06
Springfield/Capital Arpt 0.01
Tuscola 0.05 0.0 0
Windsor 0.05 0.0 0
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 0.00 0.0 0
Anna 0.00
Beecher City 0.00 0.0 0
Cahokia/Parks Arpt 0.01
Carbondale 0.00 0.0 0
Carbondale/Southern IL Arpt 0.00
Casey 0.02 0.0 0
Centralia 0.07
Edwardsville 2 W 0.00
Effingham Water Plant 0.05 0.0 0
Fairfield 0.00 0.0 0
Grand Chain Dam 0.00
Highland 0.01 0.0 0
Kaskaskia L&D 0.00 0.0 0
Lawrenceville 2WSW 0.00
Lawrenceville/Vincennes Arpt 0.00
Medora T 0.0 0
Millstadt 0.00
Olney 2S 0.07 0.0 0
Salem 0.05
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
942 AM CDT Fri May 1 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...
Amboy 0.22
Aurora 0.42
Aurora/Sugar Grove Arpt 0.32
Barrington 0.06
Batavia 0.30 0.0 0
Bourbonnais 0.14 0.0 0
Chicago Midway Arpt 0.23
Chicago O'Hare Arpt 0.21
Coal City 4NNW 0.18 0.0 0
DeKalb Northern IL Univ 0.15 0.0 0
Elgin 0.20 0.0 0
Elgin 0.20 0.0 0
Elizabeth 0.01 0.0 0
Freeport 0.17 0.0 0
Illinois City L&D 16 0.05
Kankakee 0.10
Lake Zurich 0.05 0.0 0
Lansing 0.20 0.0 0
Lisle Morton Arboretum 0.45 0.0 0
Marseilles 0.00
Mendota 0.00
Moline/Quad Cities Arpt 0.01
Monee 0.22 0.0 0
Morris 0.12 0.0 0
Mount Carroll 0.07
New Boston L&D 17 0.04
Ottawa 0.16
Park Forest 0.20 0.0 0
Paw Paw 0.15 0.0 0
Romeoville/NWS Chicago 0.15 0.0 0
Steward 0.00 0.0 0
Stockton 0.02 0.0 0
Streator 0.02 0.0 0
Waukegan Rgl Arpt 0.11
West Chicago/DuPage Arpt 0.24
Westmont 0.38
Wheeling/Chicago Exec Arpt 0.03
Willow Springs 0.20
Woodstock 5NW 0.14 0.0 0
...CENTRAL ILLINOIS...
Aledo T 0.0 0
Athens 4SW 0.05
Avon T 0.0 0
Bentley 0.42
Bloomington Waterworks 0.22 0.0 0
Bloomington/Cntrl IL Rgl Arpt 0.06
Champaign 3S 0.04 0.0 0
Champaign/Willard Arpt 0.02
Cisco T 0.0 0
Coles County Arpt 0.06
Decatur Arpt 0.01
Fisher 0.14
Galesburg Water Plant 0.00
Gladstone L&D 18 0.01 0.0 0
Havana 0.11
Jacksonville 2 T 0.0 0
Jacksonville 2E 0.05 0.0 0
Jerseyville 2 SW 0.00 0.0 0
Knoxville 0.00 0.0 0
La Harpe 0.05
Lincoln NWS 0.05 0.0 0
Lovington T
Macomb 0.05 0.0 0
Mattoon 0.08 0.0 0
Medora T 0.0 0
Minonk 0.11
Monmouth 4NW 0.01
Morton 0.06 0.0 0
Mount Pulaski 0.03 0.0 0
Moweaqua 2S 0.00
Normal 4NE 0.12 0.0 0
Ogden 0.05 0.0 0
Pana T 0.0 0
Paris 0.06 0.0 0
Peoria 5NW 0.08 0.0 0
Peoria Intl Arpt 0.12
Pittsfield T
Quincy L&D 21 0.13 0.0 0
Quincy Rgl Arpt 0.06
Rantoul 0.06
Roanoke 0.05
Shelbyville Dam 0.06 0.0 0
Sherman 0.06
Springfield/Capital Arpt 0.01
Tuscola 0.05 0.0 0
Windsor 0.05 0.0 0
...SOUTHERN ILLINOIS...
Alton/Mel Price L&D 0.00 0.0 0
Anna 0.00
Beecher City 0.00 0.0 0
Cahokia/Parks Arpt 0.01
Carbondale 0.00 0.0 0
Carbondale/Southern IL Arpt 0.00
Casey 0.02 0.0 0
Centralia 0.07
Edwardsville 2 W 0.00
Effingham Water Plant 0.05 0.0 0
Fairfield 0.00 0.0 0
Grand Chain Dam 0.00
Highland 0.01 0.0 0
Kaskaskia L&D 0.00 0.0 0
Lawrenceville 2WSW 0.00
Lawrenceville/Vincennes Arpt 0.00
Medora T 0.0 0
Millstadt 0.00
Olney 2S 0.07 0.0 0
Salem 0.05
Smithland Dam 0.00
$$
|
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