FPUS63 KILX 190905 SFTIL ILZ001>013-015>021-023>108-192200- Tabular State Forecast for Illinois National Weather Service Lincoln IL 405 AM CDT Tue May 19 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 May 19 May 20 May 21 May 22 May 23 May 24 May 25 ...Northwest IL... Moline/Rock Island Mocldy Sunny Ptcldy Shwrs Ptcldy Ptcldy Ptcldy /70 46/67 44/69 49/65 51/75 55/82 60/85 /40 00/00 00/00 30/60 60/10 10/20 10/20 Sterling/Rock Falls Mocldy Sunny Ptcldy Shwrs Ptcldy Ptcldy Ptcldy /72 45/66 42/67 47/64 50/74 52/80 57/83 /40 00/00 00/00 20/60 60/10 10/10 10/20 ...North central IL... DeKalb Mocldy Ptcldy Ptcldy Shwrs Mocldy Ptcldy Ptcldy /74 46/62 42/64 46/64 49/72 51/78 55/81 /30 00/00 00/00 10/60 60/20 10/10 10/10 Rockford Mocldy Ptcldy Ptcldy Shwrs Mocldy Ptcldy Ptcldy /73 46/63 41/64 46/65 48/73 51/79 55/83 /30 00/00 00/00 20/60 60/20 10/10 10/10 ...Northeast IL... Aurora Mocldy Ptcldy Ptcldy Shwrs Ptcldy Ptcldy Ptcldy /77 48/61 43/65 48/65 50/73 52/78 56/82 /40 10/00 00/00 10/60 60/20 10/10 10/20 Chicago Downtown Mocldy Ptcldy Ptcldy Shwrs Mocldy Ptcldy Ptcldy /79 50/54 47/60 51/61 53/63 55/64 58/72 /30 10/00 00/00 10/60 60/30 10/10 10/20 Chicago O'Hare Mocldy Ptcldy Ptcldy Shwrs Mocldy Ptcldy Ptcldy /78 49/57 45/62 49/64 51/71 53/76 58/81 /30 10/00 00/00 10/60 60/20 10/10 10/20 Joliet Mocldy Ptcldy Ptcldy Shwrs Mocldy Ptcldy Ptcldy /78 50/61 44/66 48/67 52/73 53/78 57/82 /40 10/00 00/00 10/70 70/10 10/20 10/20 Kankakee Tstrms Ptcldy Ptcldy Shwrs Mocldy Ptcldy Ptcldy /79 51/62 43/68 47/68 52/74 53/79 56/82 /50 30/10 00/00 10/70 70/20 10/20 10/20 Waukegan Mocldy Ptcldy Ptcldy Shwrs Mocldy Ptcldy Ptcldy /77 47/54 43/56 46/60 48/63 51/64 54/70 /40 00/00 00/00 10/60 60/40 10/10 10/10 ...West central IL... Jerseyville Tstrms Ptcldy Mocldy Tstrms Ptcldy Ptcldy Mocldy /75 53/67 48/70 54/69 55/77 57/81 60/83 /90 40/10 10/10 50/80 50/10 20/20 20/30 Macomb Shwrs Ptcldy Ptcldy Shwrs Ptcldy Ptcldy Ptcldy /72 48/67 44/69 51/66 52/76 55/81 60/83 /60 00/00 00/10 50/70 60/10 10/20 20/20 Quincy Shwrs Ptcldy Mocldy Shwrs Mocldy Ptcldy Mocldy /69 50/68 48/69 54/68 55/76 57/82 62/84 /70 20/00 00/10 50/70 50/10 10/20 20/20 ...Central IL... Decatur Mocldy Ptcldy Ptcldy Tstrms Mocldy Ptcldy Mocldy /79 53/67 45/69 52/68 55/76 58/80 61/81 /40 30/10 00/00 40/70 70/10 20/20 20/30 LaSalle/Peru Shwrs Ptcldy Ptcldy Shwrs Mocldy Ptcldy Ptcldy /75 49/65 44/68 49/66 52/75 54/80 58/82 /50 10/00 00/00 20/70 70/10 10/20 10/20 Peoria Shwrs Ptcldy Ptcldy Shwrs Mocldy Ptcldy Ptcldy /75 50/66 45/71 51/67 53/76 56/82 60/84 /50 10/00 00/00 40/70 70/00 10/20 10/20 Pontiac Tstrms Ptcldy Ptcldy Shwrs Mocldy Ptcldy Ptcldy /78 51/64 43/69 49/68 52/76 54/81 58/83 /50 30/00 00/00 30/70 70/10 10/10 10/20 Springfield Tstrms Ptcldy Ptcldy Tstrms Mocldy Ptcldy Mocldy /77 52/68 46/71 53/69 55/77 57/82 61/83 /50 20/10 00/00 40/70 60/10 20/20 20/30 ...East central IL... Champaign/Urbana Mocldy Ptcldy Ptcldy Shwrs Mocldy Ptcldy Mocldy /80 54/66 45/68 51/68 55/76 57/80 60/81 /40 30/20 00/00 40/70 70/10 20/20 20/30 Charleston/Mattoon Mocldy Mocldy Ptcldy Tstrms Mocldy Ptcldy Mocldy /80 56/66 47/68 54/69 58/76 59/79 62/80 /40 40/40 10/10 50/80 70/10 20/30 20/30 ...Southwest IL... Belleville Tstrms Mocldy Mocldy Tstrms Ptcldy Ptcldy Mocldy /77 58/70 53/72 58/73 60/80 61/83 64/85 /60 40/20 10/10 60/80 60/20 20/30 30/40 Chester Tstrms Mocldy Mocldy Tstrms Ptcldy Ptcldy Ptcldy /80 58/70 54/72 57/74 59/80 60/82 62/83 /50 50/30 20/20 70/80 60/30 30/30 40/40 ...South central IL... Carbondale Tstrms Mocldy Mocldy Tstrms Ptcldy Mocldy Tstrms /84 61/72 57/74 60/76 61/81 63/82 64/84 /60 90/40 30/30 80/80 70/20 40/40 40/50 Centralia Tstrms Mocldy Ptcldy Tstrms Ptcldy Mocldy Mocldy /80 60/70 53/71 58/73 60/79 62/81 64/83 /50 40/30 10/20 60/80 60/20 20/30 30/40 Mount Vernon Tstrms Mocldy Ptcldy Tstrms Ptcldy Mocldy Mocldy /83 60/71 54/72 58/74 61/80 62/82 64/84 /60 80/20 20/30 60/80 60/20 30/30 30/40 ...Southeast IL... Lawrenceville Tstrms Mocldy Ptcldy Tstrms Mocldy Mocldy Mocldy /85 62/69 55/71 58/74 62/79 63/82 65/84 /60 80/40 10/20 60/90 80/30 40/40 30/40 $$