Tabular State Forecast
Issued by NWS
Issued by NWS
717
FPUS63 KILX 211606
SFTIL
ILZ001>013-015>021-023>108-212200-
Tabular State Forecast for Illinois
National Weather Service Lincoln IL
1105 AM CDT Fri Aug 21 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 Sat Sun Mon Tue Wed Thu
Aug 21 Aug 22 Aug 23 Aug 24 Aug 25 Aug 26 Aug 27
...Northwest IL...
Moline/Rock Island
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/83 64/82 59/79 59/78 62/80 66/83 64/82
/20 60/00 00/00 00/00 10/10 30/30 20/10
Sterling/Rock Falls
Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/82 62/81 56/77 55/77 59/79 63/82 62/81
/30 60/00 00/00 00/00 00/10 30/30 20/10
...North central IL...
DeKalb
Tstrms Sunny Sunny Sunny Ptcldy Ptcldy Sunny
/80 61/78 56/76 54/76 58/78 63/80 62/80
/60 60/10 10/00 00/00 00/00 30/30 20/10
Rockford
Tstrms Sunny Sunny Sunny Ptcldy Ptcldy Sunny
/81 61/80 55/76 54/77 58/79 63/82 62/81
/60 60/00 00/00 00/00 00/10 30/30 20/10
...Northeast IL...
Aurora
Tstrms Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/79 62/79 58/76 55/76 59/78 63/80 63/80
/60 60/20 20/00 00/00 00/00 20/20 20/10
Chicago Downtown
Tstrms Sunny Sunny Sunny Ptcldy Ptcldy Sunny
/81 66/80 63/75 61/76 63/79 66/82 67/80
/60 60/20 20/00 00/00 00/00 20/20 20/10
Chicago O`Hare
Tstrms Sunny Sunny Sunny Ptcldy Ptcldy Sunny
/81 65/80 61/77 59/78 62/80 66/82 66/82
/60 60/20 20/00 00/00 00/00 20/20 20/10
Joliet
Tstrms Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/80 63/79 60/76 57/76 60/78 65/81 64/81
/50 60/20 20/00 00/00 00/00 20/20 20/10
Kankakee
Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/80 63/79 59/76 55/77 58/78 63/82 63/82
/30 60/20 20/00 00/00 00/00 10/20 20/10
Waukegan
Tstrms Sunny Sunny Sunny Ptcldy Ptcldy Sunny
/79 63/78 58/74 58/74 61/78 64/81 63/79
/60 60/30 30/00 00/00 00/10 30/30 30/10
...West central IL...
Jerseyville
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/85 67/85 61/82 60/80 64/84 66/86 65/87
/00 10/00 00/00 00/10 10/10 10/10 10/10
Macomb
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/83 64/81 59/78 58/77 62/80 65/82 64/81
/20 60/10 00/00 00/10 10/10 10/10 10/10
Quincy
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/86 67/84 62/81 63/80 66/84 68/86 67/85
/10 10/00 00/00 00/20 10/10 10/10 10/10
...Central IL...
Decatur
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/82 65/82 59/79 57/79 61/81 64/84 64/84
/10 40/10 00/00 00/00 10/10 10/10 10/10
LaSalle/Peru
Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/81 63/80 58/77 57/77 60/79 65/82 64/81
/40 60/10 10/00 00/00 00/00 20/20 20/10
Peoria
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/83 65/82 60/79 59/78 63/80 66/83 65/83
/20 40/10 00/00 00/00 00/00 10/10 10/10
Pontiac
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/82 64/80 58/77 56/78 60/79 64/83 64/82
/30 60/20 20/00 00/00 00/00 20/20 20/10
Springfield
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/85 67/84 61/81 59/81 63/83 67/86 66/86
/10 20/00 00/00 00/00 10/10 10/10 10/10
...East central IL...
Champaign/Urbana
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/82 65/81 60/78 56/78 60/80 64/83 64/84
/10 40/10 00/00 00/00 10/10 10/10 10/10
Charleston/Mattoon
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/83 65/83 60/81 57/80 61/82 64/85 65/86
/00 30/10 00/00 00/00 10/10 10/10 10/10
...Southwest IL...
Belleville
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/86 70/87 65/83 63/82 66/86 69/88 68/89
/00 10/00 00/00 00/10 10/10 10/10 10/10
Chester
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/84 67/86 64/82 61/81 64/84 67/86 66/87
/00 00/00 00/00 00/10 20/20 20/20 20/10
...South central IL...
Carbondale
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/86 68/88 64/84 63/84 65/86 68/88 67/89
/00 00/00 00/00 00/10 20/20 20/20 20/10
Centralia
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/85 68/86 63/82 60/81 64/84 67/87 67/87
/00 10/10 00/00 00/10 10/10 10/10 10/10
Mount Vernon
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/87 67/87 62/84 60/83 63/86 66/88 65/89
/00 00/00 00/00 00/00 10/10 10/10 10/10
...Southeast IL...
Lawrenceville
Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny
/87 66/86 62/83 58/82 62/84 65/87 65/88
/00 10/10 00/00 00/00 10/10 10/20 20/10
$$