Tabular State Forecast
Issued by NWS
Issued by NWS
490
FPUS63 KILX 100905
SFTIL
ILZ001>013-015>021-023>108-102200-
Tabular State Forecast for Illinois
National Weather Service Lincoln IL
405 AM CDT Mon Aug 10 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 Tue Wed Thu Fri Sat Sun
Aug 10 Aug 11 Aug 12 Aug 13 Aug 14 Aug 15 Aug 16
...Northwest IL...
Moline/Rock Island
Ptcldy Tstrms Shwrs Tstrms Tstrms Shwrs Ptcldy
/88 72/88 71/86 69/79 65/78 65/80 67/79
/20 20/50 50/50 40/70 70/60 60/60 30/30
Sterling/Rock Falls
Ptcldy Tstrms Ptcldy Tstrms Mocldy Shwrs Ptcldy
/86 70/86 69/86 68/79 63/78 62/80 65/79
/20 20/70 50/40 20/70 70/40 50/50 40/40
...North central IL...
DeKalb
Ptcldy Tstrms Ptcldy Tstrms Mocldy Mocldy Ptcldy
/84 68/82 67/83 66/79 62/76 61/78 64/78
/30 30/70 60/40 20/60 60/30 40/40 40/40
Rockford
Mocldy Tstrms Ptcldy Tstrms Mocldy Mocldy Ptcldy
/85 68/83 67/84 66/79 61/77 60/78 63/78
/30 30/60 50/30 20/50 50/20 40/40 40/40
...Northeast IL...
Aurora
Ptcldy Tstrms Shwrs Tstrms Mocldy Ptcldy Ptcldy
/85 69/83 68/84 68/79 64/77 63/78 65/79
/30 40/60 60/50 20/50 50/30 40/40 40/40
Chicago Downtown
Mocldy Tstrms Shwrs Ptcldy Mocldy Ptcldy Ptcldy
/80 70/81 71/79 70/76 67/74 66/78 67/77
/30 50/60 60/60 20/40 40/20 40/40 40/40
Chicago O`Hare
Mocldy Tstrms Shwrs Tstrms Mocldy Mocldy Ptcldy
/84 70/82 69/83 70/79 65/76 64/78 66/78
/30 40/70 60/50 20/50 50/20 40/40 40/40
Joliet
Ptcldy Tstrms Shwrs Tstrms Mocldy Ptcldy Ptcldy
/87 70/84 69/85 69/80 65/78 64/80 67/80
/30 40/60 70/70 30/60 60/40 40/40 40/30
Kankakee
Ptcldy Tstrms Shwrs Tstrms Tstrms Ptcldy Ptcldy
/87 69/85 68/85 67/80 64/78 63/80 66/81
/30 50/70 70/60 50/60 60/50 40/40 30/30
Waukegan
Ptcldy Tstrms Shwrs Mocldy Ptcldy Mocldy Ptcldy
/80 67/78 67/80 67/76 63/73 62/75 63/75
/30 30/70 60/50 30/40 40/20 40/40 40/40
...West central IL...
Jerseyville
Ptcldy Sunny Ptcldy Tstrms Shwrs Ptcldy Ptcldy
/93 76/95 76/93 72/88 70/85 70/89 71/87
/20 00/10 20/30 50/50 60/60 30/30 20/20
Macomb
Ptcldy Sunny Tstrms Tstrms Shwrs Shwrs Ptcldy
/88 74/90 72/87 70/80 66/79 66/83 67/80
/30 10/20 30/60 60/70 80/80 50/50 20/20
Quincy
Ptcldy Ptcldy Ptcldy Tstrms Tstrms Ptcldy Ptcldy
/93 78/95 76/93 73/85 70/84 71/87 71/83
/20 10/10 20/40 60/70 80/80 40/40 30/30
...Central IL...
Decatur
Ptcldy Ptcldy Tstrms Tstrms Shwrs Ptcldy Ptcldy
/91 75/91 73/88 70/83 67/82 67/84 69/84
/30 30/30 40/50 60/70 70/70 40/40 20/20
LaSalle/Peru
Ptcldy Tstrms Shwrs Tstrms Tstrms Tstrms Ptcldy
/87 71/85 70/85 69/79 65/78 64/80 67/80
/30 30/60 60/60 40/60 60/60 50/50 30/30
Peoria
Ptcldy Ptcldy Shwrs Tstrms Tstrms Shwrs Ptcldy
/90 74/90 73/88 71/81 67/80 67/83 69/83
/20 30/40 50/50 60/70 70/70 50/50 20/20
Pontiac
Ptcldy Tstrms Shwrs Tstrms Tstrms Tstrms Ptcldy
/89 71/87 70/86 69/81 65/79 64/82 67/82
/30 40/50 60/60 50/70 70/70 50/50 30/20
Springfield
Ptcldy Ptcldy Tstrms Tstrms Shwrs Ptcldy Ptcldy
/92 75/93 75/91 72/85 68/83 68/86 71/86
/30 20/20 30/50 60/60 80/80 40/40 20/20
...East central IL...
Champaign/Urbana
Ptcldy Ptcldy Tstrms Tstrms Shwrs Ptcldy Ptcldy
/89 73/88 72/86 70/82 66/80 66/82 68/83
/30 50/40 60/60 60/60 70/70 40/40 30/30
Charleston/Mattoon
Ptcldy Ptcldy Tstrms Tstrms Shwrs Ptcldy Ptcldy
/90 74/90 73/89 70/84 67/82 67/84 70/85
/30 30/30 40/50 60/60 70/70 30/30 20/20
...Southwest IL...
Belleville
Ptcldy Sunny Ptcldy Ptcldy Shwrs Ptcldy Ptcldy
/97 78/99 78/97 76/92 74/89 73/93 74/91
/10 00/00 10/20 40/40 50/50 20/20 20/20
Chester
Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny Sunny
/97 76/98 77/97 75/95 73/92 72/94 73/93
/00 00/00 00/20 30/20 30/30 20/20 20/20
...South central IL...
Carbondale
Sunny Sunny Ptcldy Ptcldy Ptcldy Sunny Ptcldy
/97 77/98 79/98 77/96 75/93 74/95 75/94
/00 00/00 10/20 30/30 30/20 20/20 10/20
Centralia
Ptcldy Sunny Ptcldy Tstrms Shwrs Ptcldy Ptcldy
/95 77/97 77/94 75/91 72/88 72/91 72/90
/10 00/10 10/20 50/50 50/50 30/30 20/20
Mount Vernon
Ptcldy Sunny Ptcldy Tstrms Shwrs Sunny Ptcldy
/97 77/98 77/96 75/93 73/90 72/93 73/92
/10 00/00 10/20 50/50 50/50 20/20 10/20
...Southeast IL...
Lawrenceville
Ptcldy Ptcldy Ptcldy Tstrms Shwrs Ptcldy Ptcldy
/93 75/92 76/91 73/88 71/86 70/88 72/88
/10 20/30 30/40 50/60 60/60 30/30 20/20
$$