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

35°F

2°C

Humidity 78%
Wind Speed N 7 mph
Barometer 30.20 in (1022.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 6 Feb 9:54 pm CST
Extended Forecast for

3 Miles NNW Elsberry MO

  • Tonight

    Tonight: Clear, with a low around 23. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 23 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 37. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 37 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27. South wind 5 to 8 mph.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47. Southeast wind 5 to 7 mph.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. Light and variable wind.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of rain after noon. Partly sunny, with a high near 65.

    High: 65 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Tonight
Clear, with a low around 23. Northwest wind 5 to 7 mph becoming calm after midnight.
Saturday
Sunny, with a high near 37. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 27. South wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 47. Southeast wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 29. Light and variable wind.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 40.
Tuesday
A 30 percent chance of rain after noon. Partly sunny, with a high near 65.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37.
Wednesday
A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 48.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 29.
Thursday
A 20 percent chance of rain. Mostly cloudy, with a high near 45.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 28.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Elsberry MO
 39.21°N 90.8°W (Elev. 509 ft)
Last Update:
9:26 pm CST Feb 6, 2026
Forecast Valid:
10pm CST Feb 6, 2026-6pm CST Feb 13, 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