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.

Fair

23°F

-5°C

Humidity 60%
Wind Speed NW 15 mph
Barometer 30.37 in (1028.8 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 22 Feb 4:54 am CST
Extended Forecast for

6 Miles SE Whiteside MO

  • Today

    Today: Mostly sunny, with a high near 29. Blustery, with a northwest wind 16 to 21 mph, with gusts as high as 36 mph.

    High: 29 °F

    Mostly Sunny
    and Blustery
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 12. Northwest wind around 15 mph, with gusts as high as 29 mph.

    Low: 12 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 31. Northwest wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 18. Calm wind becoming south 5 to 8 mph after midnight.

    Low: 18 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54. South wind 9 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.

    High: 54 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain before noon. Mostly sunny, with a high near 50.

    High: 50 °F

    Chance Rain
    then Mostly
    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 29. Blustery, with a northwest wind 16 to 21 mph, with gusts as high as 36 mph.
Tonight
Partly cloudy, with a low around 12. Northwest wind around 15 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 31. Northwest wind 7 to 15 mph, with gusts as high as 25 mph.
Monday Night
Increasing clouds, with a low around 18. Calm wind becoming south 5 to 8 mph after midnight.
Tuesday
Mostly cloudy, with a high near 54. South wind 9 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35.
Thursday
A 30 percent chance of rain before noon. Mostly sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 39.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Whiteside MO
 39.12°N 90.92°W (Elev. 801 ft)
Last Update:
4:31 am CST Feb 22, 2026
Forecast Valid:
5am CST Feb 22, 2026-6pm CST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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