FPUS63 KILX 150905 SFTIL ILZ001>013-015>021-023>108-152200- Tabular State Forecast for Illinois National Weather Service Lincoln IL 405 AM CDT Wed Apr 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 Thu Fri Sat Sun Mon Tue Apr 15 Apr 16 Apr 17 Apr 18 Apr 19 Apr 20 Apr 21 ...Northwest IL... Moline/Rock Island Tstrms Ptcldy Ptcldy Shwrs Sunny Sunny Sunny /75 58/74 56/82 44/54 34/54 36/66 49/72 /70 70/30 30/40 90/60 30/10 10/00 10/10 Sterling/Rock Falls Tstrms Shwrs Ptcldy Shwrs Sunny Sunny Sunny /74 58/73 53/81 45/57 33/52 34/63 48/71 /70 80/50 40/30 90/70 30/10 10/00 10/10 ...North central IL... DeKalb Tstrms Tstrms Ptcldy Shwrs Sunny Sunny Ptcldy /73 59/70 52/79 48/61 33/51 32/60 46/70 /70 80/60 60/20 90/80 30/10 10/00 00/10 Rockford Tstrms Tstrms Ptcldy Shwrs Ptcldy Sunny Sunny /73 58/70 52/79 46/58 32/51 31/61 46/70 /70 80/60 60/20 90/70 30/10 10/10 10/10 ...Northeast IL... Aurora Tstrms Tstrms Ptcldy Shwrs Sunny Sunny Ptcldy /74 61/71 52/79 51/64 35/52 33/61 46/71 /70 80/60 60/10 90/90 30/10 10/00 00/10 Chicago Downtown Tstrms Tstrms Ptcldy Shwrs Sunny Sunny Ptcldy /74 59/69 49/74 53/65 38/52 38/58 48/70 /70 80/70 70/10 80/80 30/20 10/10 00/10 Chicago O'Hare Tstrms Tstrms Ptcldy Shwrs Sunny Sunny Ptcldy /74 61/69 51/77 53/64 37/52 36/60 48/71 /60 80/70 70/10 80/80 30/10 10/10 00/10 Joliet Tstrms Tstrms Ptcldy Shwrs Sunny Sunny Ptcldy /74 62/72 53/80 53/66 36/53 35/62 47/72 /70 80/60 60/10 80/80 30/10 10/10 00/10 Kankakee Tstrms Tstrms Ptcldy Shwrs Sunny Sunny Sunny /76 62/73 53/81 54/67 36/53 34/62 46/73 /70 80/70 60/10 80/80 30/10 10/00 00/10 Waukegan Tstrms Tstrms Mocldy Shwrs Ptcldy Sunny Ptcldy /73 53/66 46/66 49/62 35/50 33/54 45/69 /60 80/60 60/10 80/80 30/10 10/10 00/10 ...West central IL... Jerseyville Tstrms Sunny Ptcldy Shwrs Sunny Sunny Sunny /81 61/81 58/86 51/65 38/60 39/69 49/75 /70 80/30 30/40 80/80 30/10 00/00 10/10 Macomb Tstrms Sunny Shwrs Shwrs Sunny Sunny Sunny /76 59/77 55/84 45/56 35/57 37/68 49/73 /70 50/20 20/50 90/70 30/10 00/00 10/10 Quincy Tstrms Sunny Shwrs Shwrs Sunny Sunny Sunny /78 60/80 59/85 47/57 38/59 39/70 51/74 /60 80/20 20/60 90/80 30/10 00/00 10/10 ...Central IL... Decatur Tstrms Ptcldy Ptcldy Shwrs Sunny Sunny Sunny /78 62/78 55/83 53/66 38/56 37/65 48/74 /60 70/30 30/20 80/80 40/20 00/00 00/10 LaSalle/Peru Tstrms Shwrs Ptcldy Shwrs Sunny Sunny Sunny /75 61/74 54/82 50/63 36/53 35/64 48/72 /70 80/50 40/20 90/80 30/10 10/00 00/10 Peoria Tstrms Ptcldy Ptcldy Shwrs Sunny Sunny Sunny /77 60/77 55/84 49/63 37/55 37/66 49/74 /70 70/30 30/30 90/80 30/10 00/00 00/10 Pontiac Tstrms Tstrms Ptcldy Shwrs Sunny Sunny Sunny /76 61/75 54/83 51/66 36/54 35/65 47/74 /70 80/50 50/20 80/80 40/10 10/00 00/10 Springfield Tstrms Ptcldy Ptcldy Shwrs Sunny Sunny Sunny /79 62/79 56/85 51/65 38/58 38/67 49/75 /70 60/30 30/30 80/80 30/10 00/00 00/10 ...East central IL... Champaign/Urbana Tstrms Shwrs Ptcldy Tstrms Sunny Sunny Sunny /79 61/77 54/83 55/68 37/55 36/64 47/74 /70 80/50 40/20 80/80 40/20 10/00 00/10 Charleston/Mattoon Tstrms Tstrms Ptcldy Tstrms Sunny Sunny Sunny /79 63/77 56/82 56/69 38/56 37/64 47/73 /60 80/50 30/20 80/80 40/20 00/00 00/10 ...Southwest IL... Belleville Tstrms Shwrs Ptcldy Shwrs Sunny Sunny Sunny /82 64/82 60/86 56/68 40/63 40/70 50/77 /60 80/50 50/40 70/70 40/10 00/00 10/10 Chester Mocldy Tstrms Ptcldy Tstrms Sunny Sunny Sunny /82 62/82 61/85 56/71 40/64 39/69 48/75 /30 80/60 60/30 60/60 50/20 00/00 00/10 ...South central IL... Carbondale Ptcldy Tstrms Ptcldy Tstrms Sunny Sunny Sunny /85 65/82 61/87 60/73 41/65 41/71 49/77 /20 80/70 70/30 60/60 60/20 00/00 00/10 Centralia Ptcldy Tstrms Ptcldy Tstrms Sunny Sunny Sunny /82 64/80 60/84 58/70 40/61 39/68 49/74 /30 90/60 60/30 70/70 50/20 00/00 00/10 Mount Vernon Ptcldy Tstrms Ptcldy Tstrms Sunny Sunny Sunny /83 64/81 60/86 58/72 40/62 39/69 48/75 /40 80/70 60/30 60/60 50/20 00/00 00/10 ...Southeast IL... Lawrenceville Mocldy Tstrms Ptcldy Tstrms Sunny Sunny Sunny /85 64/79 59/85 62/74 40/60 38/67 47/74 /40 60/70 60/20 60/70 50/20 00/00 00/10 $$