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Hazardous Weather Conditions

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

A Few Clouds

30°C

86°F

Humidity 67%
Wind Speed SW 24 G 39 km/h
Barometer 1016.0 mb (30.03 in)
Dewpoint 23°C (74°F)
Visibility 16 km
Heat Index34°C (94°F)
Last update 22 Jun 9:52 am CDT
Extended Forecast for

Saint Charles IL

Heat Advisory June 22, 10:44am until June 24, 12:00am
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 22, 10:44am until June 24, 12:00am

    NOW until 12:00am Tue

    Heat Advisory

  • Today

    High: 35 °C

    Hot

  • Tonight

    Tonight: Clear, with a low around 24. South southwest wind 25 to 30 km/h decreasing to 20 to 25 km/h in the evening. Winds could gust as high as 50 km/h.

    Low: 24 °C

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 36. Heat index values as high as 40. Southwest wind 20 to 25 km/h, with gusts as high as 45 km/h.

    High: 36 °C

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. Southwest wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 40 km/h.

    Low: 24 °C

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 33. West southwest wind 10 to 15 km/h, with gusts as high as 25 km/h.

    High: 33 °C

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 20.

    Low: 20 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 33. Chance of precipitation is 60%.

    High: 33 °C

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 22.

    Low: 22 °C

    Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 35. Heat index values as high as 41. South southwest wind 25 to 30 km/h, with gusts as high as 50 km/h.
Tonight
Clear, with a low around 24. South southwest wind 25 to 30 km/h decreasing to 20 to 25 km/h in the evening. Winds could gust as high as 50 km/h.
Monday
Sunny and hot, with a high near 36. Heat index values as high as 40. Southwest wind 20 to 25 km/h, with gusts as high as 45 km/h.
Monday Night
Partly cloudy, with a low around 24. Southwest wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 40 km/h.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 33. West southwest wind 10 to 15 km/h, with gusts as high as 25 km/h.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 20.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 33. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 22.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 32.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 31.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 20.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles IL
 41.9°N 88.32°W
Last Update:
10:41 am CDT Jun 22, 2025
Forecast Valid:
10am CDT Jun 22, 2025-6pm CDT Jun 28, 2025
 
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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