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 and Breezy

24°F

-4°C

Humidity 65%
Wind Speed W 24 G 37 mph
Barometer 30.00 in (1016.2 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 16 Mar 12:54 pm CDT
Extended Forecast for

Whiteside MO

  • This Afternoon

    This Afternoon: A chance of flurries. Mostly cloudy, with a high near 26. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 33 mph.

    High: 26 °F

    Chance
    Flurries and
    Blustery

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 11. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 35. Northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 35 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow before 2am, then a slight chance of rain and snow. Mostly cloudy, with a steady temperature around 34. Southeast wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 34 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Sunny, with a high near 62. South wind around 8 mph becoming west in the afternoon.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of flurries. Mostly cloudy, with a high near 26. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 33 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 11. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.
Tuesday
Increasing clouds, with a high near 35. Northwest wind 6 to 8 mph becoming south in the afternoon.
Tuesday Night
A chance of snow before 2am, then a slight chance of rain and snow. Mostly cloudy, with a steady temperature around 34. Southeast wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Wednesday
Sunny, with a high near 62. South wind around 8 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Sunny, with a high near 68.
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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:
12:11 pm CDT Mar 16, 2026
Forecast Valid:
1pm CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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