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

49°F

9°C

Humidity 66%
Wind Speed W 10 mph
Barometer 30.32 in (1026.7 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 6 Apr 7:54 am CDT
Extended Forecast for

Whiteside MO

  • Today

    Today: Sunny, with a high near 59. North wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of rain after 3am. Increasing clouds, with a low around 34. North wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Partly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain and snow before 8am, then a slight chance of rain between 8am and 10am. Mostly cloudy, with a high near 52. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 52 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. Southeast wind around 9 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 72. Southeast wind 9 to 13 mph, with gusts as high as 26 mph.

    High: 72 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 71. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 59. North wind 8 to 11 mph, with gusts as high as 21 mph.
Tonight
A 30 percent chance of rain after 3am. Increasing clouds, with a low around 34. North wind 7 to 11 mph, with gusts as high as 22 mph.
Tuesday
A chance of rain and snow before 8am, then a slight chance of rain between 8am and 10am. Mostly cloudy, with a high near 52. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 40. Southeast wind around 9 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 72. Southeast wind 9 to 13 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Whiteside MO
 39.17°N 91.01°W (Elev. 712 ft)
Last Update:
7:36 am CDT Apr 6, 2026
Forecast Valid:
8am CDT Apr 6, 2026-6pm CDT Apr 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