National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Light Rain

62°F

17°C

Humidity 86%
Wind Speed S 13 mph
Barometer 29.79 in (1008.4 mb)
Dewpoint 58°F (14°C)
Visibility 9.00 mi
Last update 31 Mar 10:52 am CDT
Extended Forecast for

Saint Charles IL

Severe T-storm Watch until March 31, 05:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until March 31, 05:00pm

    NOW until 5:00pm Tue

    Severe T-storm Watch

  • Today

    High: 68 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then a slight chance of showers after 4am. Low around 36. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 46. East northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 46 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 39. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 39 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 70. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%.

    High: 70 °F

    Breezy.
    Showers
    Likely then
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 48. Breezy.

    Low: 48 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Showers

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. Some of the storms could be severe. High near 68. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before 1am, then a slight chance of showers after 4am. Low around 36. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 46. East northeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Showers and possibly a thunderstorm. Low around 39. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Thursday
Showers and possibly a thunderstorm. High near 70. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%.
Thursday Night
A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 48. Breezy.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 68.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 49.
Saturday
Showers likely. Mostly cloudy, with a high near 65. Breezy.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 36.
Sunday
Mostly cloudy, with a high near 48.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles IL
 41.9°N 88.32°W
Last Update:
11:16 am CDT Mar 31, 2026
Forecast Valid:
11am CDT Mar 31, 2026-6pm CDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation