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.

Partly Cloudy

49°F

9°C

Humidity 46%
Wind Speed Vrbl 5 mph
Barometer 30.28 in (1025.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 12 Feb 10:54 am CST
Extended Forecast for

3 Miles NNW Elsberry MO

  • Today

    Today: Mostly sunny, with a high near 54. Southeast wind 6 to 9 mph.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Southeast wind 5 to 7 mph becoming calm after midnight.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 59. South wind around 6 mph becoming calm in the afternoon.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 36. Calm wind.

    Low: 36 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Rain likely, mainly after noon. Cloudy, with a high near 51. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 60%.

    High: 51 °F

    Chance Rain
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Rain Likely
    then Chance
    Rain

  • Sunday

    Sunday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 58.

    High: 58 °F

    Slight Chance
    Rain then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 54. Southeast wind 6 to 9 mph.
Tonight
Partly cloudy, with a low around 32. Southeast wind 5 to 7 mph becoming calm after midnight.
Friday
Sunny, with a high near 59. South wind around 6 mph becoming calm in the afternoon.
Friday Night
Increasing clouds, with a low around 36. Calm wind.
Saturday
Rain likely, mainly after noon. Cloudy, with a high near 51. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Sunday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 35.
Washington's Birthday
Mostly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly cloudy, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 65.
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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:
10:37 am CST Feb 12, 2026
Forecast Valid:
11am CST Feb 12, 2026-6pm CST Feb 18, 2026
 
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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