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

29°F

-2°C

Humidity 45%
Wind Speed Calm
Barometer 30.01 in (1016.7 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 18 Jan 7:54 pm CST
Extended Forecast for

Foley MO

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 9. Northwest wind 7 to 16 mph, with gusts as high as 32 mph.

    Low: 9 °F

    Decreasing
    Clouds

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 20. Northwest wind 7 to 16 mph, with gusts as high as 28 mph.

    High: 20 °F

    Cold

  • Monday Night

    Monday Night: Increasing clouds, with a low around 12. West wind around 5 mph becoming light and variable.

    Low: 12 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. Southwest wind 3 to 7 mph.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 9. Northwest wind 7 to 16 mph, with gusts as high as 32 mph.
M.L.King Day
Sunny and cold, with a high near 20. Northwest wind 7 to 16 mph, with gusts as high as 28 mph.
Monday Night
Increasing clouds, with a low around 12. West wind around 5 mph becoming light and variable.
Tuesday
Mostly sunny, with a high near 36. Southwest wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 27. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
Sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Mostly cloudy, with a high near 35.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 12.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 22.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 4.
Sunday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 18.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Foley MO
 39.05°N 90.75°W (Elev. 499 ft)
Last Update:
7:36 pm CST Jan 18, 2026
Forecast Valid:
8pm CST Jan 18, 2026-6pm CST Jan 25, 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