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

Hazardous Weather Conditions

Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Mostly Cloudy

59°F

15°C

Humidity 83%
Wind Speed NE 8 mph
Barometer 29.91 in (1012.4 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 9 May 11:54 pm CDT
Extended Forecast for

4 Miles WNW Grafton IL

Flood Warning until further notice
Click here for hazard details and duration
Flood Warning until further notice
  •  
    Flood Warning until further notice

    NOW until further notice

    Flood Warning

  • Overnight

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 70. Northwest wind 8 to 10 mph.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. West wind 6 to 10 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. Northwest wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 52. Northwest wind 5 to 8 mph becoming southwest after midnight.

    Low: 52 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.

    High: 76 °F

    Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. North wind 8 to 10 mph.
Friday
Partly sunny, with a high near 70. Northwest wind 8 to 10 mph.
Friday Night
Mostly clear, with a low around 54. West wind 6 to 10 mph.
Saturday
Sunny, with a high near 74. Northwest wind 8 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Clear, with a low around 52. Northwest wind 5 to 8 mph becoming southwest after midnight.
Sunday
Sunny, with a high near 80.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 59.
Monday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 74. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Grafton IL
 38.98°N 90.5°W (Elev. 620 ft)
Last Update:
9:53 pm CDT May 9, 2024
Forecast Valid:
12am CDT May 10, 2024-6pm CDT May 16, 2024
 
Forecast Discussion
 
Get as KML Get as XML

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