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.

Overcast

37°F

3°C

Humidity 89%
Wind Speed NW 15 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 10 Jan 7:54 am CST
Extended Forecast for

2 Miles SSE Paynesville MO

  • Today

    Today: A chance of rain and snow before 9am. Cloudy through mid morning, then gradual clearing, with a high near 45. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance
    Rain/Snow
    then Sunny

  • Tonight

    Tonight: Scattered rain and snow showers before midnight, then scattered flurries between midnight and 3am. Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 10 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.

    Low: 25 °F

    Scattered
    Rain/Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 37. Northwest wind 5 to 10 mph becoming light west in the afternoon. Winds could gust as high as 24 mph.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26. Calm wind becoming southwest around 6 mph after midnight.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 50. West wind 3 to 7 mph.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Today
A chance of rain and snow before 9am. Cloudy through mid morning, then gradual clearing, with a high near 45. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tonight
Scattered rain and snow showers before midnight, then scattered flurries between midnight and 3am. Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 10 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Sunday
Sunny, with a high near 37. Northwest wind 5 to 10 mph becoming light west in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
Mostly clear, with a low around 26. Calm wind becoming southwest around 6 mph after midnight.
Monday
Mostly sunny, with a high near 50. West wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Paynesville MO
 39.23°N 90.89°W (Elev. 492 ft)
Last Update:
6:21 am CST Jan 10, 2026
Forecast Valid:
8am CST Jan 10, 2026-6pm CST Jan 16, 2026
 
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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