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

31°F

-1°C

Humidity 67%
Wind Speed E 13 mph
Barometer 30.32 in (1027.2 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 7 Feb 5:54 pm CST
Extended Forecast for

3 Miles NNW Elsberry MO

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Southeast wind 6 to 8 mph.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 46. Southeast wind 6 to 9 mph.

    High: 46 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. East wind around 6 mph becoming calm in the evening.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 57. Calm wind becoming south around 5 mph in the afternoon.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. South wind around 6 mph becoming west after midnight.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before noon. Mostly cloudy, with a high near 49.

    High: 49 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. Southeast wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 46. Southeast wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 28. East wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 57. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 41. South wind around 6 mph becoming west after midnight.
Tuesday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 60.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34.
Wednesday
A 20 percent chance of rain before noon. Mostly cloudy, with a high near 49.
Wednesday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 34.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 44.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 28.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 45.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Saturday
A chance of rain and snow. Mostly sunny, with a high near 42. Chance of precipitation is 40%.
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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:
4:52 pm CST Feb 7, 2026
Forecast Valid:
6pm CST Feb 7, 2026-6pm CST Feb 14, 2026
 
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Additional Resources

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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