FPUS63 KILX 210905 SFTIL ILZ001>013-015>021-023>108-212200- Tabular State Forecast for Illinois National Weather Service Lincoln IL 405 AM CDT Sun Jun 21 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 Jun 21 Jun 22 Jun 23 Jun 24 Jun 25 Jun 26 Jun 27 ...Northwest IL... Moline/Rock Island Tstrms Ptcldy Sunny Ptcldy Sunny Ptcldy Ptcldy /65 55/76 54/78 60/80 59/79 58/80 62/83 /100 60/00 00/00 20/30 20/10 10/20 30/40 Sterling/Rock Falls Tstrms Ptcldy Sunny Ptcldy Sunny Ptcldy Ptcldy /68 54/77 52/78 58/80 57/79 57/80 60/83 /100 70/00 00/00 20/40 40/10 10/20 30/30 ...North central IL... DeKalb Shwrs Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy /70 56/75 50/76 56/78 57/77 56/79 59/81 /100 90/10 10/00 20/40 40/20 20/10 20/30 Rockford Shwrs Ptcldy Ptcldy Tstrms Ptcldy Ptcldy Ptcldy /70 56/76 50/77 57/78 56/77 56/80 59/82 /90 80/10 10/00 30/60 60/20 20/10 20/30 ...Northeast IL... Aurora Shwrs Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy /72 58/74 52/76 56/78 58/77 57/79 60/82 /100 100/20 00/00 10/40 40/20 20/10 30/30 Chicago Downtown Shwrs Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy /69 59/68 57/69 60/79 62/76 61/76 64/79 /100 100/20 00/00 10/40 40/20 20/10 20/30 Chicago O'Hare Shwrs Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy /72 58/71 54/74 58/79 60/78 59/79 61/82 /90 100/20 00/00 10/40 40/20 20/10 20/30 Joliet Shwrs Ptcldy Sunny Tstrms Ptcldy Ptcldy Ptcldy /72 58/74 52/77 56/79 59/78 58/80 61/82 /100 100/20 10/00 10/50 50/20 20/20 30/30 Kankakee Shwrs Mocldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy /72 59/74 51/77 54/79 58/78 57/80 59/82 /100 100/30 10/00 10/40 40/20 20/20 30/40 Waukegan Shwrs Ptcldy Sunny Shwrs Ptcldy Ptcldy Ptcldy /69 56/68 52/69 56/76 57/73 56/74 59/77 /90 90/10 00/00 20/60 60/20 20/10 20/30 ...West central IL... Jerseyville Tstrms Mocldy Sunny Ptcldy Ptcldy Ptcldy Tstrms /80 59/75 57/79 59/82 61/81 60/82 65/86 /90 80/10 00/00 10/30 20/20 20/30 50/50 Macomb Tstrms Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy /68 56/75 54/78 59/80 59/78 58/80 63/83 /100 50/00 00/00 10/10 10/10 10/20 40/40 Quincy Tstrms Mocldy Sunny Ptcldy Ptcldy Ptcldy Tstrms /73 59/75 58/79 62/81 62/80 61/81 66/85 /100 50/10 00/00 10/10 10/10 10/30 40/50 ...Central IL... Decatur Tstrms Mocldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy /74 59/73 54/77 58/79 60/78 59/80 63/83 /90 80/20 00/00 00/20 20/20 20/30 40/40 LaSalle/Peru Shwrs Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy /69 58/76 52/77 58/79 59/78 58/80 61/82 /100 90/20 10/00 10/40 40/10 10/20 30/40 Peoria Tstrms Ptcldy Sunny Ptcldy Sunny Ptcldy Ptcldy /70 57/76 54/78 59/81 60/80 59/81 63/84 /100 60/10 00/00 10/30 30/10 10/20 40/40 Pontiac Tstrms Mocldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy /70 59/75 51/77 56/79 59/78 57/80 61/83 /100 90/20 10/00 00/30 30/20 20/20 40/40 Springfield Tstrms Mocldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy /76 59/75 56/79 59/82 62/81 60/82 64/85 /100 70/20 00/00 00/20 20/20 20/30 40/40 ...East central IL... Champaign/Urbana Tstrms Mocldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy /73 59/74 53/77 57/79 60/79 59/80 62/83 /90 80/20 00/00 00/20 20/20 20/20 40/40 Charleston/Mattoon Tstrms Mocldy Sunny Sunny Ptcldy Ptcldy Ptcldy /77 62/73 55/77 58/79 61/79 60/80 63/83 /90 80/20 00/00 00/20 20/30 30/20 40/40 ...Southwest IL... Belleville Tstrms Mocldy Sunny Ptcldy Ptcldy Ptcldy Tstrms /86 65/78 62/82 63/85 66/84 65/85 68/88 /70 90/20 00/00 10/20 20/30 30/40 50/50 Chester Tstrms Mocldy Ptcldy Sunny Ptcldy Ptcldy Tstrms /87 66/78 60/82 62/84 64/84 63/85 67/87 /50 90/30 00/00 10/20 20/20 20/40 50/50 ...South central IL... Carbondale Ptcldy Shwrs Ptcldy Sunny Ptcldy Ptcldy Tstrms /89 69/80 62/83 63/86 66/86 65/86 69/88 /40 100/50 00/00 10/20 20/30 30/30 50/50 Centralia Tstrms Mocldy Sunny Ptcldy Ptcldy Ptcldy Tstrms /85 66/77 60/81 62/83 65/83 64/84 67/86 /60 90/30 00/00 00/20 20/30 30/30 50/50 Mount Vernon Tstrms Shwrs Sunny Sunny Ptcldy Ptcldy Tstrms /88 67/79 61/82 62/85 65/85 64/86 68/87 /50 90/70 00/00 00/20 20/30 30/30 50/50 ...Southeast IL... Lawrenceville Tstrms Mocldy Sunny Sunny Ptcldy Ptcldy Tstrms /84 67/77 61/81 61/83 65/83 63/84 66/86 /50 80/30 10/00 00/10 20/30 30/20 40/50 $$