Tabular State Forecast
Issued by NWS
Issued by NWS
328
FPUS63 KILX 191605
SFTIL
ILZ001>013-015>021-023>108-192200-
Tabular State Forecast for Illinois
National Weather Service Lincoln IL
1105 AM CDT Wed Aug 19 2026
ROWS INCLUDE...
Daily predominant daytime weather 6AM-6PM
Forecast temperatures...early morning low/daytime high
Probability of precipitation nighttime 6PM-6AM/daytime 6AM-6PM
- indicates temperatures below zero
MM indicates missing data
FCST FCST FCST FCST FCST FCST FCST
Today Thu Fri Sat Sun Mon Tue
Aug 19 Aug 20 Aug 21 Aug 22 Aug 23 Aug 24 Aug 25
...Northwest IL...
Moline/Rock Island
Ptcldy Sunny Ptcldy Sunny Ptcldy Ptcldy Ptcldy
/81 62/81 64/83 64/81 62/78 61/79 63/82
/20 20/00 10/40 40/20 10/00 10/10 10/10
Sterling/Rock Falls
Ptcldy Sunny Tstrms Sunny Ptcldy Ptcldy Ptcldy
/80 59/80 60/81 61/80 59/77 58/78 60/81
/10 10/00 10/70 70/10 10/00 00/10 10/10
...North central IL...
DeKalb
Ptcldy Sunny Tstrms Sunny Ptcldy Ptcldy Ptcldy
/79 59/79 59/79 61/79 58/76 57/77 59/79
/10 10/00 00/70 70/10 10/00 00/10 10/10
Rockford
Ptcldy Sunny Tstrms Sunny Sunny Ptcldy Ptcldy
/81 58/81 60/80 61/80 58/77 57/78 60/81
/10 00/00 00/70 70/10 10/00 00/10 10/10
...Northeast IL...
Aurora
Ptcldy Sunny Tstrms Sunny Sunny Ptcldy Ptcldy
/79 61/79 59/79 62/79 60/76 58/77 60/79
/20 10/00 00/60 60/10 10/00 00/10 10/10
Chicago Downtown
Ptcldy Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy
/76 70/79 64/81 66/80 65/76 63/77 65/80
/10 10/00 00/30 30/10 10/00 00/00 10/10
Chicago O`Hare
Ptcldy Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy
/79 64/81 62/81 65/81 63/78 61/78 63/81
/10 10/00 00/40 40/20 20/00 00/00 10/10
Joliet
Ptcldy Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy
/79 63/80 60/80 64/80 61/77 59/77 61/80
/20 20/00 00/40 40/10 10/00 00/10 10/10
Kankakee
Tstrms Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy
/80 61/79 59/81 63/80 60/77 57/77 59/80
/50 40/00 00/20 40/20 20/00 00/10 10/10
Waukegan
Ptcldy Sunny Tstrms Sunny Sunny Ptcldy Ptcldy
/74 62/78 61/80 62/79 60/76 59/76 62/79
/10 00/00 00/60 60/20 20/00 00/00 10/10
...West central IL...
Jerseyville
Tstrms Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy
/80 68/83 63/86 65/84 63/82 62/83 65/86
/60 30/10 00/00 30/30 20/10 20/20 10/10
Macomb
Tstrms Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy
/80 63/80 62/82 64/81 61/79 60/79 62/82
/60 60/00 00/10 20/20 00/10 10/10 10/10
Quincy
Mocldy Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy
/81 67/83 66/86 68/83 65/81 65/82 67/86
/40 60/00 00/10 30/30 10/10 10/10 10/10
...Central IL...
Decatur
Tstrms Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy
/81 64/81 61/83 63/82 61/80 60/81 62/83
/60 60/10 00/10 40/20 10/10 10/10 10/10
LaSalle/Peru
Ptcldy Sunny Tstrms Sunny Sunny Ptcldy Ptcldy
/80 62/79 60/81 63/80 61/77 59/77 62/80
/30 30/00 00/50 50/10 10/00 10/10 10/10
Peoria
Tstrms Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy
/82 65/81 63/83 65/81 63/79 61/80 64/82
/50 40/00 00/20 30/10 00/00 10/10 10/10
Pontiac
Tstrms Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy
/81 62/80 59/82 63/80 60/78 58/78 61/81
/50 40/00 00/30 40/10 10/00 00/10 10/10
Springfield
Tstrms Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy
/82 66/83 63/85 65/84 63/82 62/82 64/85
/60 50/10 00/10 30/30 10/10 10/10 10/10
...East central IL...
Champaign/Urbana
Tstrms Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy
/81 64/80 60/82 63/81 61/79 58/79 61/82
/60 60/00 00/10 50/10 10/10 10/10 10/10
Charleston/Mattoon
Tstrms Ptcldy Sunny Sunny Sunny Ptcldy Ptcldy
/79 65/82 61/84 63/83 61/81 59/81 62/84
/50 60/10 00/00 30/20 10/00 10/10 10/10
...Southwest IL...
Belleville
Tstrms Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy
/82 69/85 67/87 68/86 66/84 65/85 68/88
/100 30/10 00/00 20/20 10/10 20/20 20/20
Chester
Tstrms Ptcldy Ptcldy Sunny Sunny Ptcldy Ptcldy
/83 69/84 66/86 66/86 64/84 63/84 66/87
/100 60/10 00/00 10/10 10/10 20/20 20/20
...South central IL...
Carbondale
Tstrms Ptcldy Ptcldy Sunny Sunny Ptcldy Ptcldy
/84 68/86 67/88 67/88 65/86 64/86 67/89
/100 70/30 10/00 00/10 10/10 20/20 30/30
Centralia
Shwrs Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy
/81 69/84 65/86 66/86 64/84 63/84 65/87
/90 40/10 10/00 20/20 10/00 20/20 20/20
Mount Vernon
Tstrms Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy
/82 68/86 65/88 66/87 63/85 62/85 64/88
/100 40/20 00/00 10/10 10/00 20/20 20/20
...Southeast IL...
Lawrenceville
Tstrms Ptcldy Sunny Sunny Sunny Ptcldy Ptcldy
/81 67/84 65/86 65/85 63/83 61/83 64/86
/70 50/10 00/00 10/20 20/00 10/10 10/10
$$