Tabular State Forecast
Issued by NWS
Issued by NWS
918
FPUS63 KILX 172107
SFTIL
ILZ001>013-015>021-023>108-181000-
Tabular State Forecast for Illinois
National Weather Service Lincoln IL
406 PM CDT Sun Aug 17 2025
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 18 Aug 19 Aug 20 Aug 21 Aug 22 Aug 23 Aug 24
...Northwest IL...
Moline/Rock Island
Ptcldy Tstrms Ptcldy Sunny Sunny Sunny Sunny
72/90 72/88 66/81 62/82 61/84 65/80 56/75
20/20 50/50 20/10 00/00 00/00 10/10 10/10
Sterling/Rock Falls
Ptcldy Tstrms Ptcldy Sunny Sunny Sunny Sunny
69/88 71/88 65/80 60/82 59/83 63/80 55/75
30/30 60/60 10/00 00/00 00/00 10/10 10/10
...North central IL...
DeKalb
Ptcldy Tstrms Ptcldy Sunny Sunny Sunny Sunny
68/87 70/85 65/78 60/80 59/82 62/79 55/74
10/40 60/60 20/00 00/00 00/00 10/10 10/10
Rockford
Tstrms Tstrms Ptcldy Sunny Sunny Sunny Sunny
68/87 70/85 64/78 59/80 58/82 62/79 55/73
10/50 70/70 10/00 00/00 00/00 10/10 10/10
...Northeast IL...
Aurora
Ptcldy Tstrms Ptcldy Sunny Sunny Sunny Sunny
69/88 71/87 67/80 63/82 61/85 64/82 58/76
10/40 60/60 20/10 00/00 00/00 00/10 10/10
Chicago Downtown
Ptcldy Tstrms Ptcldy Sunny Sunny Sunny Sunny
70/86 73/86 70/76 68/77 67/81 69/83 64/75
10/40 70/70 30/10 00/00 00/00 00/10 10/10
Chicago O`Hare
Ptcldy Tstrms Ptcldy Sunny Sunny Sunny Sunny
70/88 72/87 68/78 66/80 65/85 67/83 61/76
10/40 70/70 20/10 00/00 00/00 00/10 10/10
Joliet
Ptcldy Tstrms Ptcldy Sunny Sunny Sunny Sunny
69/88 71/87 68/81 65/82 63/85 65/83 59/77
10/40 60/60 30/10 10/00 00/00 00/10 10/10
Kankakee
Ptcldy Tstrms Ptcldy Sunny Sunny Sunny Sunny
69/88 70/87 67/80 63/82 62/84 63/83 57/77
10/30 50/50 30/10 10/00 00/00 00/10 10/00
Waukegan
Ptcldy Tstrms Ptcldy Sunny Sunny Sunny Sunny
69/83 71/85 67/75 65/77 63/83 65/80 59/74
10/40 70/70 20/00 00/00 00/00 10/10 10/10
...West central IL...
Jerseyville
Sunny Ptcldy Ptcldy Ptcldy Sunny Sunny Sunny
76/93 74/90 71/83 64/82 65/85 65/84 60/78
10/20 20/30 30/20 10/00 00/00 00/10 10/00
Macomb
Sunny Ptcldy Ptcldy Sunny Sunny Ptcldy Sunny
72/91 72/88 68/82 62/81 62/83 63/81 56/75
20/20 30/40 30/10 10/00 00/00 00/10 10/00
Quincy
Sunny Ptcldy Ptcldy Sunny Sunny Ptcldy Sunny
76/94 74/91 71/83 65/83 65/86 66/84 60/78
20/20 30/40 30/20 00/00 00/00 00/10 10/00
...Central IL...
Decatur
Ptcldy Ptcldy Ptcldy Ptcldy Sunny Sunny Sunny
72/92 73/90 70/85 64/84 63/86 65/85 58/79
20/20 20/40 30/10 10/00 00/00 00/10 10/00
LaSalle/Peru
Ptcldy Tstrms Ptcldy Sunny Sunny Sunny Sunny
70/88 72/87 67/79 62/81 61/83 64/81 57/75
20/40 60/60 20/10 10/00 00/00 00/10 10/10
Peoria
Ptcldy Ptcldy Ptcldy Sunny Sunny Ptcldy Sunny
72/92 74/90 70/84 64/84 64/86 66/84 59/78
20/20 40/40 20/10 00/00 00/00 00/10 10/00
Pontiac
Ptcldy Tstrms Ptcldy Sunny Sunny Ptcldy Sunny
70/88 71/87 67/81 62/81 61/83 63/82 57/76
20/30 50/50 30/10 10/00 00/00 00/10 10/00
Springfield
Ptcldy Ptcldy Ptcldy Ptcldy Sunny Sunny Sunny
73/92 74/90 71/85 64/83 64/86 65/85 58/79
20/20 30/40 30/20 10/00 00/00 00/10 10/00
...East central IL...
Champaign/Urbana
Ptcldy Tstrms Ptcldy Ptcldy Sunny Sunny Sunny
72/90 72/90 69/85 64/84 63/87 65/86 58/80
20/20 20/50 50/10 10/00 00/00 00/10 10/00
Charleston/Mattoon
Ptcldy Ptcldy Ptcldy Ptcldy Sunny Sunny Sunny
72/91 72/90 70/85 65/84 63/86 65/87 58/80
20/20 20/40 40/20 10/00 00/00 00/10 10/00
...Southwest IL...
Belleville
Vryhot Ptcldy Ptcldy Ptcldy Sunny Sunny Sunny
75/97 75/93 73/86 67/86 67/88 67/88 63/82
10/30 30/30 40/30 20/10 10/00 00/10 10/00
Chester
Vryhot Vryhot Ptcldy Ptcldy Sunny Sunny Sunny
76/97 74/96 73/89 67/86 66/88 67/89 63/83
20/20 20/30 40/30 30/10 10/00 00/10 10/00
...South central IL...
Carbondale
Vryhot Vryhot Ptcldy Ptcldy Sunny Sunny Sunny
74/97 74/96 73/90 68/88 67/90 68/90 63/84
20/10 10/30 40/40 30/10 10/00 00/10 10/00
Centralia
Sunny Sunny Ptcldy Ptcldy Sunny Sunny Sunny
74/93 74/93 72/87 67/86 66/87 66/87 61/81
10/20 20/30 40/30 20/10 10/00 00/10 10/00
Mount Vernon
Sunny Sunny Ptcldy Ptcldy Sunny Sunny Sunny
74/95 74/95 73/89 67/87 66/90 67/90 62/83
20/10 10/20 40/30 20/10 10/00 00/10 10/00
...Southeast IL...
Lawrenceville
Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny Sunny
74/93 73/93 73/87 68/86 68/88 67/88 62/82
10/10 10/20 30/30 20/00 00/00 00/10 10/00
$$