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

72°F

22°C

Humidity 66%
Wind Speed S 15 mph
Barometer 29.78 in (1008.1 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 2 Apr 9:54 pm CDT
Extended Forecast for

Whiteside MO

  • Tonight

    Tonight: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 54. West wind 5 to 10 mph becoming light and variable after midnight.

    Low: 54 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 80. East wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

    High: 80 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms before 4am, then a chance of showers. Low around 50. South wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%.

    Low: 50 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 57. West wind 10 to 14 mph, with gusts as high as 29 mph.

    High: 57 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. West wind 8 to 11 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Slight Chance
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

Tonight
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 54. West wind 5 to 10 mph becoming light and variable after midnight.
Friday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 80. East wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms before 4am, then a chance of showers. Low around 50. South wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%.
Saturday
A 40 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 57. West wind 10 to 14 mph, with gusts as high as 29 mph.
Saturday Night
Partly cloudy, with a low around 37. West wind 8 to 11 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 57.
Sunday Night
Clear, with a low around 38.
Monday
Sunny, with a high near 59.
Monday Night
A slight chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 51.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 74.
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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:
10:21 pm CDT Apr 2, 2026
Forecast Valid:
10pm CDT Apr 2, 2026-6pm CDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation