60187 Weather (Wheaton, IL)

Weather forecast for: Wheaton IL

Last Update: 12:41 pm CDT Sep 3, 2026

This Afternoon: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 89. Heat index values as high as 96. West northwest wind 5 to 10 mph becoming east.

Tonight: A 20 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly clear, with a low around 73. South wind around 5 mph, with gusts as high as 10 mph.

Friday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 92. Heat index values as high as 99. West southwest wind around 5 mph becoming northeast in the morning. Winds could gust as high as 15 mph.

Friday Night: A 50 percent chance of showers and thunderstorms. Mostly clear, with a low around 71. Southwest wind around 5 mph becoming north northeast after midnight.

Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85. Northeast wind 5 to 10 mph.

Saturday Night: Partly cloudy, with a low around 66.

Sunday: Mostly sunny, with a high near 82.

Sunday Night: Partly cloudy, with a low around 64.

Labor Day: Mostly sunny, with a high near 82.

Monday Night: Partly cloudy, with a low around 66.

Tuesday: Mostly sunny, with a high near 85.

Tuesday Night: A chance of showers. Partly cloudy, with a low around 71.

Wednesday: A chance of showers. Partly sunny, with a high near 85.