National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

35°F

2°C

Humidity 59%
Wind Speed W 9 mph
Barometer 29.72 in (1006.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 16 Jan 7:54 am CST
Extended Forecast for

4 Miles SE Silex MO

  • Today

    Today: A slight chance of rain between 4pm and 5pm, then a chance of rain and snow. Cloudy through mid morning, then becoming mostly sunny, with a high near 43. West wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    High: 43 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tonight

    Tonight: A 50 percent chance of snow, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 19. West wind 10 to 13 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Chance Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 25. West wind 10 to 15 mph, with gusts as high as 28 mph.

    High: 25 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 10. West wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 10 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 32. Southwest wind 6 to 10 mph, with gusts as high as 24 mph.

    High: 32 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 22.

    High: 22 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of rain between 4pm and 5pm, then a chance of rain and snow. Cloudy through mid morning, then becoming mostly sunny, with a high near 43. West wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Tonight
A 50 percent chance of snow, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 19. West wind 10 to 13 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 25. West wind 10 to 15 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 10. West wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 32. Southwest wind 6 to 10 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 11.
M.L.King Day
Sunny, with a high near 22.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Silex MO
 39.08°N 91.01°W (Elev. 482 ft)
Last Update:
8:06 am CST Jan 16, 2026
Forecast Valid:
8am CST Jan 16, 2026-6pm CST Jan 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation