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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

5 Miles SE Whiteside MO

  • This Afternoon

    This Afternoon: A 40 percent chance of showers, mainly before 4pm. Mostly cloudy, with a steady temperature around 41. Northwest wind around 18 mph, with gusts as high as 32 mph.

    High: 41 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 30. Northwest wind 6 to 15 mph, with gusts as high as 28 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 53. West wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Breezy, with a south wind 10 to 20 mph, with gusts as high as 37 mph.

    Low: 43 °F

    Partly Cloudy
    then Mostly
    Clear and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 57. West wind 9 to 15 mph, with gusts as high as 29 mph.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Rain and possibly a thunderstorm. High near 62. Breezy. Chance of precipitation is 80%.

    High: 62 °F

    Rain and
    Breezy

Detailed Forecast

This Afternoon
A 40 percent chance of showers, mainly before 4pm. Mostly cloudy, with a steady temperature around 41. Northwest wind around 18 mph, with gusts as high as 32 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 30. Northwest wind 6 to 15 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 53. West wind 5 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 43. Breezy, with a south wind 10 to 20 mph, with gusts as high as 37 mph.
Friday
Partly sunny, with a high near 57. West wind 9 to 15 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly cloudy, with a high near 58.
Saturday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 49.
Sunday
Rain and possibly a thunderstorm. High near 62. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 33. Breezy.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Whiteside MO
 39.15°N 90.95°W (Elev. 827 ft)
Last Update:
3:01 pm CDT Mar 11, 2026
Forecast Valid:
3pm CDT Mar 11, 2026-6pm CDT Mar 18, 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