Weather
Champaign, IL Weather: 77° Sunday Before Cooling Oct. 25-27
Champaign, IL – A stretch of sunny, mild fall weather is expected across central Illinois heading into the weekend, with temperatures in Champaign forecast to reach 74 degrees Saturday, October 24, be
By Natalie Brooks · 2026-10-21T09:53:05.407Z
Champaign, IL – A stretch of sunny, mild fall weather is expected across central Illinois heading into the weekend, with temperatures in Champaign forecast to reach 74 degrees Saturday, October 24, before climbing to approximately 77 degrees Sunday. The warming trend will provide several opportunities for outdoor activities across Champaign County and surrounding communities before cooler temperatures return early next week.
According to the National Weather Service in Lincoln, Illinois, sunshine will dominate the Champaign forecast through Saturday, with mostly sunny conditions continuing Sunday. Afternoon temperatures are expected to remain in the lower to middle 70s throughout much of the week, while overnight lows generally stay in the 40s.
The forecast aligns with a broader warming pattern developing across portions of the central United States as an upper level ridge supports mild conditions heading into the weekend.
Early Wednesday, temperatures at the University of Illinois Willard Airport were approximately 44 degrees, with calm winds and clear visibility.
Five Day Central Illinois Weather Outlook Wednesday 10/21: Sunny skies are expected throughout the day, with afternoon temperatures reaching approximately 73 degrees. Winds will remain calm, creating generally pleasant conditions for outdoor activities and travel. Clear skies are forecast Wednesday night, with temperatures falling to around 47 degrees.
Thursday 10/22: Sunshine continues across Champaign and surrounding communities, with temperatures climbing to approximately 74 degrees. Light north winds are expected during the afternoon. Thursday night will remain mostly clear, with temperatures dropping to around 44 degrees and light easterly winds.
Friday 10/23: Another sunny day is expected, with temperatures reaching approximately 73 degrees. Calm winds will become southeasterly around 5 mph during the afternoon. Mostly clear skies are forecast Friday night, with temperatures falling to approximately 45 degrees. Southeast winds near 5 mph will continue overnight.
Saturday 10/24: Mostly sunny skies are expected as temperatures reach approximately 74 degrees. South southeast winds around 6 mph will accompany the mild afternoon conditions. Saturday night will become partly cloudy, with temperatures falling to around 49 degrees. The forecast indicates no precipitation during the day.
Sunday 10/25: The warmest conditions of the five day period are expected, with temperatures reaching approximately 77 degrees under mostly sunny skies. Sunday night will become partly cloudy, with temperatures dropping to around 50 degrees. The forecast suggests another favorable day for outdoor recreation and weekend plans.
How Long Will the Warm Weather Last? The National Weather Service expects mild conditions to continue Monday, with partly sunny skies and temperatures reaching approximately 73 degrees.
Monday night will become mostly cloudy, with lows near 49 degrees.
By Tuesday, temperatures are forecast to fall to approximately 63 degrees, marking a 14 degree decline from Sunday's projected high.
Looking farther ahead, NOAA's Climate Prediction Center temperature outlook for October 28 through November 3 favors above normal temperatures across Illinois.
The agency's precipitation outlook also indicates a modest tilt toward above normal precipitation across portions of central Illinois during that period.
These extended outlooks reflect broader probabilities rather than specific daily rainfall forecasts.
For residents across Champaign, Urbana and surrounding central Illinois communities, Saturday and Sunday currently offer a favorable combination of mild temperatures and mostly sunny skies before next week's cooler conditions arrive.