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.

Mostly Cloudy and Windy

37°F

3°C

Humidity 46%
Wind Speed NW 26 G 37 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 14 Jan 12:54 pm CST
Extended Forecast for

3 Miles NNW Elsberry MO

  • This Afternoon

    This Afternoon: Sunny, with a high near 37. Breezy, with a northwest wind 16 to 20 mph, with gusts as high as 38 mph.

    High: 37 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 17. Northwest wind 6 to 14 mph, with gusts as high as 25 mph.

    Low: 17 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 34. Northwest wind 5 to 8 mph becoming south in the afternoon.

    High: 34 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 28. South wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 28 °F

    Chance Snow
    then Slight
    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 42. West wind 10 to 15 mph, with gusts as high as 31 mph.

    High: 42 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 37. Breezy, with a northwest wind 16 to 20 mph, with gusts as high as 38 mph.
Tonight
Clear, with a low around 17. Northwest wind 6 to 14 mph, with gusts as high as 25 mph.
Thursday
Increasing clouds, with a high near 34. Northwest wind 5 to 8 mph becoming south in the afternoon.
Thursday Night
A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 28. South wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 22 mph.
Friday
Partly sunny, with a high near 42. West wind 10 to 15 mph, with gusts as high as 31 mph.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17.
Saturday
Partly sunny, with a high near 25.
Saturday Night
Partly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 24.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Mostly sunny, with a high near 29.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Mostly sunny, with a high near 33.
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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:
10:51 am CST Jan 14, 2026
Forecast Valid:
1pm CST Jan 14, 2026-6pm CST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation