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

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

71°F

22°C

Humidity 59%
Wind Speed SE 7 mph
Barometer 30.02 in (1016.2 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 5 Oct 7:54 pm CDT
Extended Forecast for

3 Miles NNW Elsberry MO

  • Tonight

    Tonight: Mostly clear, with a low around 62. South wind 5 to 7 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Isolated showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 86 °F

    Sunny then
    Isolated
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Increasing clouds, with a low around 61. Light and variable wind.

    Low: 61 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, with a high near 69. North wind 6 to 8 mph.

    High: 69 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. North wind 3 to 6 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 62. South wind 5 to 7 mph.
Monday
Isolated showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 3 to 6 mph. Chance of precipitation is 20%.
Monday Night
A 40 percent chance of showers and thunderstorms. Increasing clouds, with a low around 61. Light and variable wind.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, with a high near 69. North wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 47. North wind 3 to 6 mph.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Clear, with a low around 46.
Thursday
Sunny, with a high near 72.
Thursday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 48.
Friday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Elsberry MO
 39.21°N 90.8°W (Elev. 509 ft)
Last Update:
4:16 pm CDT Oct 5, 2025
Forecast Valid:
8pm CDT Oct 5, 2025-6pm CDT Oct 12, 2025
 
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