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.

Partly Cloudy

71°F

22°C

Humidity 76%
Wind Speed S 9 mph
Barometer 29.88 in (1011.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 14 Apr 7:54 am CDT
Extended Forecast for

Whiteside MO

  • Today

    Today: Mostly sunny, with a high near 88. Southwest wind 10 to 14 mph, with gusts as high as 29 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 67. Southwest wind around 11 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 78. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    High: 78 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 61. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 78. Southwest wind around 8 mph. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 66. Chance of precipitation is 40%.

    High: 66 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 88. Southwest wind 10 to 14 mph, with gusts as high as 29 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 67. Southwest wind around 11 mph, with gusts as high as 25 mph.
Wednesday
Showers and possibly a thunderstorm. High near 78. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 61. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday
A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 78. Southwest wind around 8 mph. Chance of precipitation is 50%.
Thursday Night
Mostly clear, with a low around 57.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.
Friday Night
Showers and possibly a thunderstorm. Low around 54. Chance of precipitation is 80%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 66. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 68.
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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:
5:41 am CDT Apr 14, 2026
Forecast Valid:
8am CDT Apr 14, 2026-6pm CDT Apr 20, 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