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.

Fair

55°F

13°C

Humidity 96%
Wind Speed SE 5 mph
Barometer 29.84 in (1010.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 10 Mar 4:54 am CDT
Extended Forecast for

Whiteside MO

  • Today

    Today: Sunny, with a high near 83. South wind 8 to 18 mph, with gusts as high as 29 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 48. South wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    Low: 48 °F

    Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 10am, then a chance of showers. Temperature falling to around 47 by 5pm. Southwest wind 13 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.

    High: 60 °F⇓

    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 31. Northwest wind 5 to 13 mph, with gusts as high as 26 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 54. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 83. South wind 8 to 18 mph, with gusts as high as 29 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 48. South wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm before 10am, then a chance of showers. Temperature falling to around 47 by 5pm. Southwest wind 13 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 31. Northwest wind 5 to 13 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 54. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Mostly cloudy, with a high near 60.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 67.
Saturday Night
A 20 percent chance of rain after 1am. Partly cloudy, with a low around 44.
Sunday
Rain likely. Cloudy, with a high near 58. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 35.
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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:
3:46 am CDT Mar 10, 2026
Forecast Valid:
5am CDT Mar 10, 2026-6pm CDT Mar 16, 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