Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

43°F

6°C

Humidity 74%
Wind Speed E 6 mph
Barometer 29.61 in (1002.5 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 18 Feb 11:54 pm CST
Extended Forecast for

4 Miles SSE Elsberry MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. Light east wind.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 2pm.  Cloudy, then gradually becoming mostly sunny, with a high near 66. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 60%.

    High: 66 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34. West wind 9 to 18 mph, with gusts as high as 36 mph.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47. West wind 6 to 16 mph, with gusts as high as 29 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28. Calm wind becoming north around 5 mph after midnight.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. Light east wind.
Thursday
Showers and thunderstorms likely, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 66. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 34. West wind 9 to 18 mph, with gusts as high as 36 mph.
Friday
Mostly sunny, with a high near 47. West wind 6 to 16 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 28. Calm wind becoming north around 5 mph after midnight.
Saturday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 36.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Elsberry MO
 39.12°N 90.75°W (Elev. 440 ft)
12:25 am CST Feb 19, 2026
12am CST Feb 19, 2026-6pm CST Feb 25, 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