National Weather Service Forecast for: Champaign IL
Issued by: National Weather Service Lincoln, IL
Updated: 1:26 pm CDT Oct 20, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 70. Calm wind.
Sunny
 Tonight

Tonight: Clear, with a low around 44. Calm wind.
Clear
 Wednesday

Wednesday: Sunny, with a high near 72. Calm wind.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 46. Calm wind.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 74. Light north wind.
Sunny
 Thursday
Night
Thursday Night: Clear, with a low around 46. Light east wind.
Clear
 Friday

Friday: Sunny, with a high near 73. Southeast wind 3 to 5 mph.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 46.
Mostly Clear
 Saturday

Saturday: Mostly sunny, with a high near 74.
Mostly Sunny
Hi 70 °F Lo 44 °F Hi 72 °F Lo 46 °F Hi 74 °F Lo 46 °F Hi 73 °F Lo 46 °F Hi 74 °F

 

This Afternoon
 
 Sunny, with a high near 70. Calm wind.
Tonight
 
 Clear, with a low around 44. Calm wind.
Wednesday
 
 Sunny, with a high near 72. Calm wind.
Wednesday Night
 
 Mostly clear, with a low around 46. Calm wind.
Thursday
 
 Sunny, with a high near 74. Light north wind.
Thursday Night
 
 Clear, with a low around 46. Light east wind.
Friday
 
 Sunny, with a high near 73. Southeast wind 3 to 5 mph.
Friday Night
 
 Mostly clear, with a low around 46.
Saturday
 
 Mostly sunny, with a high near 74.
Saturday Night
 
 Partly cloudy, with a low around 50.
Sunday
 
 Partly sunny, with a high near 77.
Sunday Night
 
 Mostly cloudy, with a low around 50.
Monday
 
 Partly sunny, with a high near 72.

 

Forecast from NOAA-NWS for Champaign IL.