FPUS63 KILX 230905 SFTIL ILZ001>013-015>021-023>108-232200- Tabular State Forecast for Illinois National Weather Service Lincoln IL 405 AM CDT Sun Aug 23 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 Mon Tue Wed Thu Fri Sat Aug 23 Aug 24 Aug 25 Aug 26 Aug 27 Aug 28 Aug 29 ...Northwest IL... Moline/Rock Island Sunny Ptcldy Ptcldy Ptcldy Sunny Sunny Ptcldy /79 57/80 59/81 66/85 65/82 62/82 63/81 /00 00/00 00/00 30/30 20/10 10/10 10/20 Sterling/Rock Falls Sunny Ptcldy Ptcldy Ptcldy Sunny Sunny Ptcldy /77 54/79 56/80 63/84 63/81 60/81 60/80 /00 00/00 00/00 20/40 40/10 10/10 10/20 ...North central IL... DeKalb Sunny Sunny Ptcldy Tstrms Sunny Sunny Ptcldy /74 54/77 56/79 62/81 63/80 60/79 59/79 /00 00/00 00/00 20/50 50/10 10/10 10/20 Rockford Sunny Sunny Ptcldy Tstrms Sunny Sunny Ptcldy /76 53/78 56/80 62/82 62/81 59/80 58/79 /00 00/00 00/00 20/50 50/10 10/10 10/20 ...Northeast IL... Aurora Sunny Sunny Ptcldy Ptcldy Sunny Sunny Ptcldy /75 54/77 56/79 62/82 63/80 62/79 61/79 /00 00/00 00/00 10/40 40/20 10/10 10/20 Chicago Downtown Sunny Sunny Ptcldy Ptcldy Sunny Sunny Ptcldy /74 61/75 62/80 66/83 68/80 67/78 66/78 /00 00/00 00/00 10/40 40/10 10/10 10/20 Chicago O'Hare Sunny Sunny Ptcldy Ptcldy Sunny Sunny Ptcldy /76 58/78 59/80 65/83 66/82 64/80 63/80 /00 00/00 00/00 10/40 40/10 10/10 10/10 Joliet Sunny Sunny Ptcldy Ptcldy Sunny Sunny Ptcldy /76 55/78 57/79 63/82 65/81 64/80 63/80 /00 00/00 00/00 10/40 40/20 20/10 10/20 Kankakee Sunny Sunny Sunny Ptcldy Sunny Sunny Ptcldy /76 54/77 56/79 61/83 64/82 62/80 60/80 /00 00/00 00/00 00/40 40/20 20/10 10/10 Waukegan Sunny Sunny Ptcldy Tstrms Sunny Sunny Ptcldy /74 56/74 56/79 63/81 63/79 61/77 61/76 /00 00/00 00/00 10/50 50/10 10/10 10/10 ...West central IL... Jerseyville Sunny Sunny Ptcldy Ptcldy Sunny Sunny Ptcldy /81 58/81 61/83 65/88 66/86 63/84 64/84 /00 00/00 00/00 10/20 20/10 00/00 10/20 Macomb Sunny Ptcldy Ptcldy Ptcldy Sunny Sunny Ptcldy /78 56/79 59/81 65/84 64/81 62/81 62/80 /00 00/00 00/00 10/20 20/10 00/00 10/20 Quincy Ptcldy Ptcldy Ptcldy Ptcldy Sunny Sunny Ptcldy /80 60/80 63/84 68/87 66/84 64/83 66/83 /00 00/00 10/00 10/10 20/00 00/10 10/20 ...Central IL... Decatur Sunny Ptcldy Sunny Ptcldy Sunny Sunny Ptcldy /79 56/80 59/82 63/85 65/84 63/83 62/83 /00 00/00 00/00 00/20 30/10 10/00 10/10 LaSalle/Peru Sunny Sunny Ptcldy Ptcldy Sunny Sunny Ptcldy /76 55/78 58/80 64/83 65/81 62/81 62/80 /00 00/00 00/00 10/30 30/10 10/00 10/20 Peoria Sunny Sunny Ptcldy Ptcldy Sunny Sunny Ptcldy /79 58/80 60/81 65/85 66/83 63/82 64/82 /00 00/00 00/00 10/20 40/10 10/00 10/20 Pontiac Sunny Sunny Sunny Ptcldy Sunny Sunny Ptcldy /76 55/79 57/80 62/84 65/82 62/81 61/81 /00 00/00 00/00 10/30 40/10 10/10 10/20 Springfield Sunny Ptcldy Sunny Ptcldy Sunny Sunny Ptcldy /81 58/82 60/84 66/87 66/85 63/84 64/84 /00 00/00 00/00 10/20 30/10 10/00 10/10 ...East central IL... Champaign/Urbana Sunny Ptcldy Sunny Ptcldy Sunny Sunny Ptcldy /78 55/79 57/81 63/84 65/83 63/82 62/82 /00 00/00 00/00 00/20 40/10 10/00 00/20 Charleston/Mattoon Sunny Ptcldy Sunny Ptcldy Sunny Sunny Sunny /80 56/81 58/82 63/86 65/85 63/84 62/84 /00 00/00 00/00 00/10 20/10 10/00 00/10 ...Southwest IL... Belleville Sunny Sunny Ptcldy Ptcldy Sunny Sunny Ptcldy /83 61/83 64/85 68/89 69/88 67/86 66/87 /00 00/00 10/10 10/10 20/10 10/00 10/20 Chester Sunny Sunny Sunny Ptcldy Sunny Sunny Sunny /82 60/81 62/84 65/86 66/87 65/85 65/85 /00 00/00 10/10 00/20 20/10 10/00 20/20 ...South central IL... Carbondale Sunny Ptcldy Sunny Ptcldy Sunny Sunny Sunny /83 61/83 63/86 66/88 68/88 66/87 66/88 /00 00/00 10/10 00/10 10/10 10/00 10/10 Centralia Sunny Sunny Sunny Ptcldy Sunny Sunny Sunny /82 59/82 62/84 65/87 67/87 65/86 65/86 /00 00/00 00/00 00/10 10/10 10/00 20/10 Mount Vernon Sunny Ptcldy Sunny Ptcldy Sunny Sunny Sunny /84 59/83 61/85 64/89 67/89 65/87 64/88 /00 00/00 00/00 00/10 10/10 10/00 20/10 ...Southeast IL... Lawrenceville Sunny Ptcldy Sunny Sunny Sunny Sunny Sunny /83 57/83 58/84 62/88 67/88 65/87 64/87 /00 00/00 00/00 00/10 20/10 10/00 00/10 $$