National Weather Service Forecast for: Wheaton IL
Issued by: National Weather Service Chicago, IL
Updated: 1:06 am CDT Jun 12, 2025
 
Overnight

Overnight: Mostly cloudy, with a low around 66. West southwest wind around 5 mph becoming east.
Mostly Cloudy

Thursday

Thursday: Partly sunny, with a high near 84. Northeast wind 5 to 10 mph becoming west southwest in the morning. Winds could gust as high as 15 mph.
Partly Sunny

Thursday
Night
Thursday Night: Mostly cloudy, with a low around 63. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Mostly Cloudy

Friday

Friday: A chance of showers, with thunderstorms also possible after 4pm.  Partly sunny, with a high near 83. Southeast wind 5 to 10 mph.  Chance of precipitation is 40%.
Chance
Showers

Friday
Night
Friday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. East northeast wind 5 to 10 mph.
Chance
T-storms

Saturday

Saturday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am.  Mostly cloudy, with a high near 80. Chance of precipitation is 40%.
Chance
Showers then
Chance
T-storms
Saturday
Night
Saturday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 58.
Slight Chance
T-storms

Sunday

Sunday: Partly sunny, with a high near 76.
Partly Sunny

Sunday
Night
Sunday Night: Mostly cloudy, with a low around 58.
Mostly Cloudy

Lo 66 °F Hi 84 °F Lo 63 °F Hi 83 °F Lo 64 °F Hi 80 °F Lo 58 °F Hi 76 °F Lo 58 °F

Hazardous Weather Outlook
 

Overnight
 
Mostly cloudy, with a low around 66. West southwest wind around 5 mph becoming east.
Thursday
 
Partly sunny, with a high near 84. Northeast wind 5 to 10 mph becoming west southwest in the morning. Winds could gust as high as 15 mph.
Thursday Night
 
Mostly cloudy, with a low around 63. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
 
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 83. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Friday Night
 
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East northeast wind 5 to 10 mph.
Saturday
 
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 80. Chance of precipitation is 40%.
Saturday Night
 
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 58.
Sunday
 
Partly sunny, with a high near 76.
Sunday Night
 
Mostly cloudy, with a low around 58.
Monday
 
A chance of showers after 1pm. Mostly sunny, with a high near 83.
Monday Night
 
Mostly cloudy, with a low around 64.
Tuesday
 
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Tuesday Night
 
A chance of showers. Mostly cloudy, with a low around 66.
Wednesday
 
A chance of showers. Partly sunny, with a high near 83.

 

Forecast from NOAA-NWS for Wheaton IL.