Tabular State Forecast
Issued by NWS
Issued by NWS
066
FPUS63 KILX 092106
SFTIL
ILZ001>013-015>021-023>108-101000-
Tabular State Forecast for Illinois
National Weather Service Lincoln IL
405 PM CDT Sun Aug 9 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
Mon 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 Shwrs Shwrs Shwrs Mocldy
72/87 71/87 71/86 68/78 64/76 63/78 65/77
40/20 30/50 50/50 20/50 50/50 60/60 40/40
Sterling/Rock Falls
Ptcldy Tstrms Ptcldy Ptcldy Ptcldy Ptcldy Mocldy
70/86 69/86 68/85 66/79 61/76 61/78 63/78
50/20 50/50 60/40 40/40 40/30 40/40 40/40
...North central IL...
DeKalb
Ptcldy Tstrms Tstrms Ptcldy Ptcldy Ptcldy Shwrs
69/84 67/83 67/82 65/77 60/75 60/76 63/77
70/30 60/70 60/60 30/20 30/30 40/40 50/50
Rockford
Ptcldy Tstrms Ptcldy Ptcldy Ptcldy Ptcldy Mocldy
68/84 67/84 67/83 64/78 59/75 59/76 62/77
70/30 60/60 60/40 20/20 30/30 30/40 40/40
...Northeast IL...
Aurora
Mocldy Tstrms Tstrms Ptcldy Ptcldy Ptcldy Shwrs
70/84 68/83 68/83 66/77 62/75 62/77 64/78
70/40 60/70 70/70 40/20 30/30 40/40 50/50
Chicago Downtown
Ptcldy Tstrms Tstrms Ptcldy Ptcldy Ptcldy Shwrs
72/82 70/82 70/82 69/77 66/74 65/76 67/77
70/40 60/70 70/60 50/20 20/20 30/40 50/50
Chicago O`Hare
Ptcldy Tstrms Tstrms Ptcldy Ptcldy Ptcldy Mocldy
72/83 69/83 69/83 67/78 64/75 63/77 65/78
70/30 60/60 70/60 40/20 20/20 30/30 40/40
Joliet
Ptcldy Tstrms Tstrms Ptcldy Ptcldy Ptcldy Shwrs
72/86 70/85 70/84 67/80 64/76 63/78 65/79
70/30 70/60 70/70 50/30 30/30 40/40 50/50
Kankakee
Ptcldy Tstrms Tstrms Ptcldy Mocldy Ptcldy Shwrs
71/87 69/86 68/85 66/80 62/76 62/78 64/79
70/30 50/60 70/70 60/30 40/40 40/40 50/50
Waukegan
Ptcldy Tstrms Ptcldy Ptcldy Ptcldy Ptcldy Mocldy
68/80 67/80 67/80 65/75 61/72 61/74 63/75
70/20 50/70 70/40 40/10 20/20 30/30 40/40
...West central IL...
Jerseyville
Ptcldy Ptcldy Ptcldy Tstrms Shwrs Ptcldy Ptcldy
75/93 76/94 75/91 72/85 68/83 69/85 69/84
10/20 10/00 10/30 50/60 70/70 40/40 30/30
Macomb
Ptcldy Ptcldy Ptcldy Tstrms Shwrs Shwrs Ptcldy
72/88 73/89 72/86 68/79 64/77 64/80 66/78
30/10 30/30 40/40 40/70 70/70 60/60 40/40
Quincy
Ptcldy Ptcldy Ptcldy Tstrms Tstrms Shwrs Ptcldy
76/92 77/93 75/91 72/82 69/80 69/83 69/81
20/20 10/10 30/30 50/70 70/70 60/60 30/30
...Central IL...
Decatur
Ptcldy Ptcldy Tstrms Shwrs Shwrs Shwrs Ptcldy
74/89 74/90 72/88 69/82 65/79 66/82 67/82
20/10 20/30 50/50 50/50 70/70 50/50 30/30
LaSalle/Peru
Ptcldy Tstrms Tstrms Ptcldy Mocldy Shwrs Shwrs
72/87 71/86 70/85 68/79 63/76 63/78 66/78
60/30 70/60 60/60 50/40 50/40 50/50 50/50
Peoria
Ptcldy Ptcldy Tstrms Shwrs Shwrs Shwrs Ptcldy
74/90 73/90 73/88 70/81 66/78 66/80 68/80
30/20 20/30 60/60 40/50 60/60 60/60 40/30
Pontiac
Ptcldy Tstrms Tstrms Ptcldy Shwrs Shwrs Ptcldy
72/88 71/88 71/86 68/81 63/77 63/79 66/80
40/30 50/50 60/60 50/40 50/50 50/50 50/40
Springfield
Ptcldy Ptcldy Ptcldy Tstrms Shwrs Shwrs Ptcldy
75/92 75/92 74/90 71/84 67/81 67/84 69/83
20/10 10/10 30/30 50/60 70/70 50/50 30/30
...East central IL...
Champaign/Urbana
Ptcldy Ptcldy Tstrms Shwrs Shwrs Shwrs Ptcldy
73/88 72/88 71/86 69/81 64/78 65/80 66/80
30/20 30/40 60/60 50/50 70/70 50/50 40/40
Charleston/Mattoon
Ptcldy Ptcldy Ptcldy Shwrs Shwrs Shwrs Ptcldy
73/90 74/90 73/88 70/83 65/80 66/82 67/82
20/10 20/30 40/40 50/50 70/70 50/50 30/30
...Southwest IL...
Belleville
Ptcldy Ptcldy Ptcldy Tstrms Shwrs Ptcldy Ptcldy
76/97 78/97 78/95 75/88 71/86 72/89 73/88
00/10 00/00 10/20 40/50 60/60 40/40 20/20
Chester
Sunny Sunny Ptcldy Ptcldy Shwrs Ptcldy Ptcldy
73/97 76/97 76/95 74/90 71/89 72/91 72/90
00/00 00/00 10/20 30/40 50/50 30/30 20/20
...South central IL...
Carbondale
Sunny Sunny Ptcldy Ptcldy Shwrs Ptcldy Ptcldy
74/97 77/97 78/95 76/92 73/90 73/93 73/92
00/00 00/00 10/20 30/30 50/50 30/30 20/20
Centralia
Ptcldy Sunny Ptcldy Tstrms Tstrms Ptcldy Ptcldy
75/95 77/95 76/93 74/88 70/85 71/88 71/87
10/10 00/00 10/30 40/60 60/60 40/40 20/20
Mount Vernon
Ptcldy Sunny Ptcldy Tstrms Tstrms Ptcldy Ptcldy
75/96 77/97 77/94 74/89 70/87 70/90 71/89
10/10 00/00 10/30 40/50 60/60 30/40 20/20
...Southeast IL...
Lawrenceville
Ptcldy Ptcldy Tstrms Tstrms Shwrs Ptcldy Ptcldy
74/93 76/92 75/90 73/86 69/83 69/85 71/86
10/10 20/20 30/50 50/50 70/70 40/40 20/20
$$