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.

Mostly Cloudy

67°F

19°C

Humidity 49%
Wind Speed S 10 mph
Barometer 30.11 in (1019.2 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 10 Apr 2:54 am CDT
Extended Forecast for

Whiteside MO

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 60. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Friday

    Friday: Showers and thunderstorms before 4pm, then a slight chance of showers between 4pm and 5pm. High near 64. West wind around 7 mph becoming north in the afternoon. Chance of precipitation is 80%.

    High: 64 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 8pm, then a chance of showers after 3am. Mostly cloudy, with a low around 50. East wind around 6 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely before 10am, then showers likely between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 70. Southeast wind 6 to 8 mph. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60. Southeast wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

    High: 84 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 60. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Friday
Showers and thunderstorms before 4pm, then a slight chance of showers between 4pm and 5pm. High near 64. West wind around 7 mph becoming north in the afternoon. Chance of precipitation is 80%.
Friday Night
A slight chance of showers before 8pm, then a chance of showers after 3am. Mostly cloudy, with a low around 50. East wind around 6 mph. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms likely before 10am, then showers likely between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 70. Southeast wind 6 to 8 mph. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 60. Southeast wind 7 to 9 mph, with gusts as high as 21 mph.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Thursday
A 40 percent chance of showers. Mostly sunny, with a high near 78.
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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:
1:26 am CDT Apr 10, 2026
Forecast Valid:
3am CDT Apr 10, 2026-6pm CDT Apr 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