Tabular State Forecast
Issued by NWS
Issued by NWS
052
FPUS63 KILX 150905
SFTIL
ILZ001>013-015>021-023>108-152200-
Tabular State Forecast for Illinois
National Weather Service Lincoln IL
405 AM CDT Tue Sep 15 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 Wed Thu Fri Sat Sun Mon
Sep 15 Sep 16 Sep 17 Sep 18 Sep 19 Sep 20 Sep 21
...Northwest IL...
Moline/Rock Island
Tstrms Shwrs Shwrs Tstrms Shwrs Ptcldy Ptcldy
/80 61/75 66/82 64/81 66/82 63/73 56/72
/90 50/80 80/80 40/60 40/50 50/40 40/20
Sterling/Rock Falls
Tstrms Shwrs Shwrs Shwrs Tstrms Ptcldy Ptcldy
/80 59/74 64/81 62/80 64/82 61/74 54/73
/90 40/60 80/80 40/50 40/50 60/40 30/20
...North central IL...
DeKalb
Tstrms Mocldy Shwrs Ptcldy Tstrms Shwrs Ptcldy
/79 60/73 63/78 61/78 63/81 61/73 54/71
/80 30/30 60/60 30/40 40/60 60/50 30/20
Rockford
Tstrms Mocldy Shwrs Shwrs Tstrms Ptcldy Ptcldy
/77 58/73 62/78 60/78 63/81 60/73 53/71
/90 20/30 50/50 30/50 50/70 70/40 30/20
...Northeast IL...
Aurora
Tstrms Mocldy Shwrs Ptcldy Tstrms Shwrs Ptcldy
/81 62/74 65/79 63/78 64/82 63/74 56/71
/70 50/40 60/60 30/40 30/50 60/50 30/20
Chicago Downtown
Tstrms Shwrs Shwrs Ptcldy Tstrms Shwrs Ptcldy
/81 66/72 67/75 65/74 66/81 65/73 61/69
/70 50/50 60/60 20/30 30/50 70/50 30/20
Chicago O`Hare
Tstrms Mocldy Shwrs Mocldy Tstrms Shwrs Ptcldy
/81 64/72 65/77 63/75 65/81 63/73 57/69
/80 40/40 60/60 20/30 40/60 60/50 30/20
Joliet
Tstrms Shwrs Shwrs Ptcldy Ptcldy Shwrs Ptcldy
/84 65/76 67/81 65/80 66/84 65/76 58/72
/60 60/60 60/60 30/40 30/40 70/60 40/20
Kankakee
Ptcldy Shwrs Shwrs Ptcldy Ptcldy Shwrs Ptcldy
/88 66/80 67/83 64/82 65/86 65/78 57/73
/30 70/60 60/60 30/30 20/30 60/60 30/20
Waukegan
Tstrms Mocldy Shwrs Ptcldy Tstrms Ptcldy Ptcldy
/77 60/71 62/74 61/73 62/78 60/71 56/69
/90 20/30 50/50 10/30 50/70 70/40 30/20
...West central IL...
Jerseyville
Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy
/97 70/93 73/95 70/92 70/91 67/82 60/77
/40 50/40 00/10 10/10 10/10 30/30 30/20
Macomb
Ptcldy Shwrs Ptcldy Ptcldy Ptcldy Shwrs Ptcldy
/88 64/82 69/86 66/85 68/84 64/74 57/71
/40 80/70 40/40 40/40 20/30 60/60 40/20
Quincy
Ptcldy Tstrms Ptcldy Ptcldy Ptcldy Tstrms Ptcldy
/92 68/86 72/89 70/88 71/86 66/76 60/72
/40 70/50 30/30 10/20 20/30 50/50 30/20
...Central IL...
Decatur
Tstrms Tstrms Ptcldy Ptcldy Sunny Ptcldy Ptcldy
/94 69/90 72/92 68/89 69/90 67/81 59/76
/50 60/50 20/20 20/30 30/10 40/40 40/20
LaSalle/Peru
Tstrms Shwrs Shwrs Ptcldy Ptcldy Shwrs Ptcldy
/84 63/77 67/82 65/81 67/84 64/75 57/72
/60 70/60 70/70 40/40 30/30 60/50 40/20
Peoria
Tstrms Shwrs Shwrs Ptcldy Ptcldy Shwrs Ptcldy
/90 66/83 70/87 68/85 69/86 66/77 59/73
/50 70/60 50/50 30/30 30/30 60/60 40/20
Pontiac
Ptcldy Shwrs Shwrs Ptcldy Ptcldy Shwrs Ptcldy
/89 66/81 69/84 65/84 67/87 65/77 57/73
/30 70/70 60/60 30/30 30/30 60/60 30/20
Springfield
Sunny Ptcldy Ptcldy Ptcldy Ptcldy Shwrs Ptcldy
/95 69/91 73/94 70/91 71/91 67/81 60/76
/40 50/30 20/20 30/30 20/20 50/50 30/20
...East central IL...
Champaign/Urbana
Tstrms Shwrs Ptcldy Ptcldy Ptcldy Shwrs Ptcldy
/94 68/88 70/91 67/87 67/89 67/80 59/75
/50 60/60 30/20 20/20 20/20 50/50 40/20
Charleston/Mattoon
Sunny Tstrms Sunny Ptcldy Sunny Ptcldy Ptcldy
/95 70/92 72/94 69/90 69/91 68/83 60/76
/40 60/50 10/10 20/20 20/10 30/40 40/20
...Southwest IL...
Belleville
Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy
/100 73/97 75/98 73/95 72/95 70/86 63/79
/20 50/30 00/10 10/10 10/10 20/30 30/20
Chester
Sunny Ptcldy Sunny Sunny Sunny Ptcldy Ptcldy
/98 72/97 73/97 71/95 70/95 69/87 62/80
/10 20/10 00/00 00/10 10/10 20/30 30/30
...South central IL...
Carbondale
Sunny Sunny Sunny Sunny Sunny Ptcldy Ptcldy
/97 73/97 74/97 73/95 72/94 71/88 65/79
/00 10/10 00/00 10/10 10/10 10/30 30/30
Centralia
Sunny Ptcldy Sunny Sunny Sunny Ptcldy Ptcldy
/99 73/97 74/97 72/94 71/95 70/87 62/80
/20 40/30 10/10 10/10 10/10 20/30 30/30
Mount Vernon
Sunny Ptcldy Sunny Sunny Sunny Ptcldy Ptcldy
/100 72/98 72/99 72/96 70/97 69/89 62/81
/10 30/20 10/10 10/10 10/10 10/30 30/30
...Southeast IL...
Lawrenceville
Sunny Ptcldy Sunny Sunny Sunny Ptcldy Ptcldy
/97 72/97 73/99 71/93 70/95 71/89 64/80
/10 30/30 10/10 10/20 20/10 20/30 30/30
$$