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

56°F

13°C

Humidity 57%
Wind Speed S 6 mph
Barometer 30.11 in (1019.4 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 9 Apr 2:54 am CDT
Extended Forecast for

Whiteside MO

  • Overnight

    Overnight: Partly cloudy, with a low around 54. South wind around 8 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 79. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 57. South wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 57 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 4pm, then showers likely after 4pm. Cloudy, with a high near 63. Southwest wind around 8 mph becoming north in the afternoon. Chance of precipitation is 70%.

    High: 63 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 50. Northeast wind around 6 mph.

    Low: 50 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.

    High: 76 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. South wind around 8 mph.
Thursday
Sunny, with a high near 79. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Thursday Night
A slight chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 57. South wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 4pm, then showers likely after 4pm. Cloudy, with a high near 63. Southwest wind around 8 mph becoming north in the afternoon. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50. Northeast wind around 6 mph.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 61.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Whiteside MO
 39.17°N 91.01°W (Elev. 712 ft)
Last Update:
1:26 am CDT Apr 9, 2026
Forecast Valid:
3am CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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