NWS Forecast for Wheaton IL

National Weather Service Forecast for: Wheaton IL
Issued by: National Weather Service Chicago, IL

Updated: 7:16 pm CST Feb 2, 2026

Tonight Chance Snow	Tuesday Mostly Sunny	Tuesday Night Partly Cloudy	Wednesday Mostly Sunny	Wednesday Night Partly Cloudy	Thursday Mostly Cloudy	Thursday Night Mostly Cloudy then Slight Chance Snow	Friday Partly Sunny	Friday Night Partly Cloudy
Lo 17 °F	Hi 26 °F	Lo 10 °F	Hi 27 °F	Lo 13 °F	Hi 32 °F	Lo 27 °F	Hi 37 °F	Lo 12 °F

Hazardous Weather Outlook

Tonight	A chance of snow between 11pm and 4am. Mostly cloudy, with a low around 17. West northwest wind around 5 mph. Chance of precipitation is 50%.
Tuesday	Mostly sunny, with a high near 26. North wind 5 to 10 mph.
Tuesday Night	Partly cloudy, with a low around 10. North northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday	Mostly sunny, with a high near 27. West northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night	Partly cloudy, with a low around 13. West northwest wind around 5 mph.
Thursday	Mostly cloudy, with a high near 32.
Thursday Night	A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 27.
Friday	Partly sunny, with a high near 37.
Friday Night	Partly cloudy, with a low around 12.
Saturday	Mostly sunny, with a high near 27.
Saturday Night	Mostly cloudy, with a low around 14.
Sunday	Mostly sunny, with a high near 32.
Sunday Night	Partly cloudy, with a low around 18.
Monday	Mostly sunny, with a high near 36.

Forecast from NOAA-NWS for Wheaton IL.