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

Heavy Rainfall and Flash Flood Threats Shift From Southern Plains to Lower Mississippi Valley; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will shift from the southern Plains into the Lower Mississippi Valley. Elevated to Critical Fire weather threats will linger through the weekend across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

A Few Clouds

49°F

9°C

Humidity 77%
Wind Speed N 7 mph
Barometer 30.29 in (1025.7 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 22 Sep 3:52 am CDT
Extended Forecast for

Saint Charles IL

  • Today

    Today: Sunny, with a high near 66. East wind 5 to 10 mph.

    Sunny

    High: 66 °F

  • Tonight

    Tonight: Clear, with a low around 46. East wind around 5 mph becoming calm in the evening.

    Clear

    Low: 46 °F

  • Sunday

    Sunday: Sunny, with a high near 72. Light east wind becoming east southeast 5 to 10 mph in the morning.

    Sunny

    High: 72 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 53. East wind around 5 mph.

    Mostly Clear

    Low: 53 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. East southeast wind 5 to 10 mph.

    Sunny then
    Slight Chance
    T-storms

    High: 76 °F

  • Monday
    Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

    Chance
    Showers

    Low: 63 °F

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75.

    Chance
    Showers

    High: 75 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 51.

    Mostly Cloudy

    Low: 51 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65.

    Mostly Sunny

    High: 65 °F

Detailed Forecast

Today
Sunny, with a high near 66. East wind 5 to 10 mph.
Tonight
Clear, with a low around 46. East wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 72. Light east wind becoming east southeast 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 53. East wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. East southeast wind 5 to 10 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
A slight chance of showers. Mostly sunny, with a high near 67.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 66.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Saint Charles IL
 41.92°N 88.29°W
Last Update:
3:15 am CDT Sep 22, 2018
Forecast Valid:
4am CDT Sep 22, 2018-6pm CDT Sep 28, 2018
 
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