FPUS63 KILX 190205 SFTIL ILZ001>013-015>021-023>108-191000- Tabular State Forecast for Illinois National Weather Service Lincoln IL 905 PM CDT Mon May 18 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 Tue 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 Ptcldy Sunny Ptcldy Shwrs Ptcldy Ptcldy Ptcldy 66/73 48/66 44/68 48/67 52/76 56/82 60/86 70/40 00/00 00/10 30/70 60/20 20/20 20/20 Sterling/Rock Falls Mocldy Sunny Ptcldy Shwrs Ptcldy Ptcldy Ptcldy 64/74 46/66 42/67 46/66 50/75 54/80 57/84 40/30 00/00 00/00 30/60 60/20 20/20 20/20 ...North central IL... DeKalb Mocldy Sunny Ptcldy Shwrs Mocldy Ptcldy Ptcldy 64/75 46/62 41/63 45/65 49/73 53/78 55/82 50/30 10/00 00/00 20/50 50/30 20/20 20/20 Rockford Mocldy Sunny Ptcldy Shwrs Mocldy Ptcldy Ptcldy 66/74 46/63 40/64 45/65 49/73 52/79 56/83 60/30 10/00 00/00 10/50 50/30 20/20 20/20 ...Northeast IL... Aurora Mocldy Ptcldy Ptcldy Shwrs Mocldy Ptcldy Ptcldy 66/78 48/62 43/64 47/66 51/74 54/79 57/82 50/40 10/00 00/00 10/60 60/30 20/20 20/20 Chicago Downtown Mocldy Ptcldy Ptcldy Shwrs Mocldy Ptcldy Ptcldy 65/79 50/57 46/61 50/65 53/71 56/76 59/80 40/30 20/00 00/00 10/60 60/40 30/30 20/20 Chicago O'Hare Mocldy Ptcldy Ptcldy Shwrs Mocldy Ptcldy Ptcldy 67/79 49/58 44/61 48/64 52/72 55/77 58/81 40/30 10/00 00/00 10/50 50/30 30/30 20/20 Joliet Tstrms Ptcldy Sunny Shwrs Mocldy Ptcldy Ptcldy 65/79 50/62 44/66 48/68 53/75 55/79 58/82 40/50 20/00 00/00 20/60 60/30 30/20 20/20 Kankakee Tstrms Ptcldy Sunny Shwrs Mocldy Ptcldy Ptcldy 65/81 51/62 42/67 47/69 53/76 55/79 57/82 40/50 30/10 00/00 10/60 60/30 20/20 20/20 Waukegan Mocldy Ptcldy Ptcldy Mocldy Mocldy Ptcldy Ptcldy 65/77 47/55 42/57 46/61 49/68 52/73 55/78 50/30 10/00 00/00 10/40 50/40 20/20 20/20 ...West central IL... Jerseyville Tstrms Ptcldy Ptcldy Tstrms Mocldy Ptcldy Ptcldy 64/78 53/67 47/71 54/72 56/78 58/81 62/84 50/70 40/30 10/10 50/70 50/30 30/30 30/30 Macomb Shwrs Ptcldy Ptcldy Shwrs Mocldy Ptcldy Ptcldy 66/75 49/66 44/70 50/68 54/77 56/82 60/85 70/50 10/00 00/00 40/70 50/10 20/20 20/20 Quincy Shwrs Ptcldy Ptcldy Tstrms Mocldy Ptcldy Ptcldy 65/73 51/67 48/70 54/69 56/78 59/83 63/86 90/60 00/00 00/10 50/70 60/20 20/20 20/20 ...Central IL... Decatur Tstrms Ptcldy Ptcldy Tstrms Mocldy Ptcldy Ptcldy 65/81 54/67 45/69 52/70 57/76 59/80 62/83 60/90 50/20 10/10 30/70 50/20 30/30 20/30 LaSalle/Peru Mocldy Ptcldy Sunny Shwrs Mocldy Ptcldy Ptcldy 66/77 49/66 43/68 49/68 53/76 56/80 59/84 50/40 10/00 00/00 20/60 60/20 20/20 20/20 Peoria Tstrms Ptcldy Ptcldy Shwrs Mocldy Ptcldy Ptcldy 66/78 51/68 45/71 51/70 55/77 58/82 61/85 50/60 30/00 00/00 30/70 50/20 20/20 20/20 Pontiac Tstrms Ptcldy Sunny Shwrs Mocldy Ptcldy Ptcldy 66/80 51/66 42/69 48/69 54/77 56/81 59/85 40/60 20/00 00/00 20/60 60/20 30/20 20/30 Springfield Tstrms Ptcldy Ptcldy Tstrms Mocldy Ptcldy Ptcldy 65/81 53/68 45/71 53/71 57/78 59/82 62/85 40/80 30/10 10/10 40/70 50/20 30/30 20/20 ...East central IL... Champaign/Urbana Tstrms Ptcldy Ptcldy Tstrms Mocldy Ptcldy Ptcldy 64/82 55/67 44/68 50/70 57/77 58/80 61/83 50/80 60/20 10/10 20/70 60/30 30/30 30/30 Charleston/Mattoon Tstrms Mocldy Ptcldy Tstrms Mocldy Ptcldy Ptcldy 65/82 57/67 46/68 53/70 59/77 60/80 63/82 90/90 60/50 10/10 40/70 60/30 30/30 30/30 ...Southwest IL... Belleville Tstrms Shwrs Ptcldy Tstrms Ptcldy Ptcldy Ptcldy 66/83 58/70 52/73 58/75 61/81 62/83 65/86 70/70 80/80 20/10 60/70 60/30 30/30 30/40 Chester Tstrms Shwrs Mocldy Tstrms Ptcldy Ptcldy Shwrs 67/84 58/69 53/73 57/76 60/80 60/82 63/84 50/70 70/60 20/20 70/80 80/40 40/40 40/50 ...South central IL... Carbondale Tstrms Shwrs Ptcldy Tstrms Tstrms Shwrs Tstrms 71/86 62/72 56/75 60/77 63/81 63/83 65/84 50/80 70/70 20/10 70/80 80/50 40/50 50/50 Centralia Tstrms Shwrs Ptcldy Tstrms Mocldy Ptcldy Ptcldy 66/84 60/70 52/72 57/75 62/80 63/82 65/84 70/70 70/70 10/10 60/80 70/30 30/30 40/40 Mount Vernon Tstrms Shwrs Ptcldy Tstrms Ptcldy Ptcldy Ptcldy 67/85 61/71 53/73 58/76 62/80 63/82 65/84 50/90 70/70 20/10 60/80 70/40 40/30 40/40 ...Southeast IL... Lawrenceville Tstrms Shwrs Ptcldy Tstrms Tstrms Ptcldy Shwrs 67/86 63/71 54/72 57/76 64/80 65/83 66/84 90/70 90/70 10/10 50/80 70/50 40/30 40/50 $$