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.

Overcast

62°F

17°C

Humidity 70%
Wind Speed NE 16 mph
Barometer 30.28 in (1025.0 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 10 Apr 4:54 pm CDT
Extended Forecast for

Whiteside MO

  • Tonight

    Tonight: A slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 50. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 70. East wind around 8 mph. Chance of precipitation is 60%.

    High: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 61. Southeast wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 78. South wind 10 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. South wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85.

    High: 85 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 50. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Saturday
Showers and thunderstorms likely, mainly before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 70. East wind around 8 mph. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 61. Southeast wind 7 to 9 mph, with gusts as high as 21 mph.
Sunday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 78. South wind 10 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. South wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Monday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 67.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Whiteside MO
 39.17°N 91.01°W (Elev. 712 ft)
Last Update:
2:46 pm CDT Apr 10, 2026
Forecast Valid:
5pm CDT Apr 10, 2026-6pm CDT Apr 17, 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