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 88%
Wind Speed SW 5 mph
Barometer 29.76 in (1008.0 mb)
Dewpoint 20°F (-7°C)
Visibility 7.00 mi
Wind Chill17°F (-8°C)
Last update 6 Feb 5:54 am CST
Extended Forecast for

2 Miles W Whiteside MO

  • Today

    Today: Mostly sunny, with a high near 45. West wind 10 to 16 mph becoming north in the morning. Winds could gust as high as 33 mph.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 20. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: 20 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 36. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 36 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 27. South wind around 7 mph.

    Low: 27 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 55. South wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

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

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after noon. Partly sunny, with a high near 62.

    High: 62 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 45. West wind 10 to 16 mph becoming north in the morning. Winds could gust as high as 33 mph.
Tonight
Mostly clear, with a low around 20. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 36. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 27. South wind around 7 mph.
Sunday
Mostly sunny, with a high near 55. South wind 5 to 7 mph becoming light and variable in the afternoon.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
A 40 percent chance of rain, mainly after noon. Partly sunny, with a high near 62.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 48.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 29.
Thursday
A 20 percent chance of rain. Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Whiteside MO
 39.17°N 91.06°W (Elev. 715 ft)
Last Update:
5:06 am CST Feb 6, 2026
Forecast Valid:
6am CST Feb 6, 2026-6pm CST Feb 12, 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