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.

Light Rain

52°F

11°C

Humidity 64%
Wind Speed NW 20 G 40 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 13 Jan 7:54 pm CST
Extended Forecast for

Whiteside MO

  • Tonight

    Tonight: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 34. West wind 7 to 15 mph, with gusts as high as 28 mph.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of sprinkles and flurries before 7am, then a chance of flurries between 7am and 9am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 29 by 5pm. Breezy, with a north wind 15 to 20 mph, with gusts as high as 32 mph.

    High: 36 °F⇓

    Breezy.
    Chance
    Sprinkles/Flurries
    then Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 15. Northwest wind 8 to 13 mph, with gusts as high as 26 mph.

    Low: 15 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 33. Northwest wind 5 to 7 mph becoming south in the afternoon.

    High: 33 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 26. South wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 26 mph.

    Low: 26 °F

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 34. West wind 7 to 15 mph, with gusts as high as 28 mph.
Wednesday
A chance of sprinkles and flurries before 7am, then a chance of flurries between 7am and 9am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 29 by 5pm. Breezy, with a north wind 15 to 20 mph, with gusts as high as 32 mph.
Wednesday Night
Clear, with a low around 15. Northwest wind 8 to 13 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 33. Northwest wind 5 to 7 mph becoming south in the afternoon.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 26. South wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 26 mph.
Friday
Partly sunny, with a high near 41.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Partly sunny, with a high near 24.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 15.
M.L.King Day
Sunny, with a high near 30.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whiteside MO
 39.17°N 91.01°W (Elev. 712 ft)
Last Update:
8:01 pm CST Jan 13, 2026
Forecast Valid:
8pm CST Jan 13, 2026-6pm CST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation