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

6°F

-14°C

Humidity 73%
Wind Speed W 6 mph
Barometer 30.48 in (1033.1 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill-5°F (-21°C)
Last update 31 Jan 11:54 pm CST
Extended Forecast for

3 Miles NNW Elsberry MO

  • Overnight

    Overnight: Mostly clear, with a low around 1. Light west wind.

    Low: 1 °F

    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of snow, mainly after 2pm. Increasing clouds, with a high near 29. South wind 3 to 8 mph.

    High: 29 °F

    Slight Chance
    Snow then
    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. Light and variable wind.

    Low: 18 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 37. Calm wind becoming west around 5 mph.

    High: 37 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23. Light east wind.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31.

    High: 31 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 1. Light west wind.
Sunday
A 50 percent chance of snow, mainly after 2pm. Increasing clouds, with a high near 29. South wind 3 to 8 mph.
Sunday Night
A 20 percent chance of snow before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. Light and variable wind.
Monday
Partly sunny, with a high near 37. Calm wind becoming west around 5 mph.
Monday Night
Mostly cloudy, with a low around 23. Light east wind.
Tuesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
Mostly sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 35.
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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:
10:57 pm CST Jan 31, 2026
Forecast Valid:
12am CST Feb 1, 2026-6pm CST Feb 7, 2026
 
Forecast Discussion
 
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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