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.

Rain Fog/Mist

48°F

9°C

Humidity 100%
Wind Speed W 6 mph
Barometer 30.07 in (1018.4 mb)
Dewpoint 48°F (9°C)
Visibility 3.00 mi
Wind Chill45°F (7°C)
Last update 4 Mar 12:54 pm CST
Extended Forecast for

Whiteside MO

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly before 3pm. Patchy fog. Otherwise, cloudy, with a high near 55. Calm wind. Chance of precipitation is 70%.

    High: 55 °F

    T-storms
    Likely and
    Patchy Fog

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then scattered showers and thunderstorms after 4am. Patchy fog. Otherwise, cloudy, with a low around 49. Light and variable wind. Chance of precipitation is 70%.

    Low: 49 °F

    T-storms
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Scattered showers, mainly before 7am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 65. West wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 30%.

    High: 65 °F

    Scattered
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Scattered showers before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 53. Calm wind becoming south 5 to 8 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    Low: 53 °F

    Scattered
    Showers then
    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of rain. Partly sunny, with a high near 78. South wind 9 to 14 mph, with gusts as high as 30 mph.

    High: 78 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 51. Chance of precipitation is 90%.

    Low: 51 °F

    Rain Likely
    then Rain

  • Saturday

    Saturday: A 30 percent chance of rain before noon. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly before 3pm. Patchy fog. Otherwise, cloudy, with a high near 55. Calm wind. Chance of precipitation is 70%.
Tonight
Showers and thunderstorms likely before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then scattered showers and thunderstorms after 4am. Patchy fog. Otherwise, cloudy, with a low around 49. Light and variable wind. Chance of precipitation is 70%.
Thursday
Scattered showers, mainly before 7am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 65. West wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 30%.
Thursday Night
Scattered showers before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 53. Calm wind becoming south 5 to 8 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 78. South wind 9 to 14 mph, with gusts as high as 30 mph.
Friday Night
Rain and possibly a thunderstorm. Low around 51. Chance of precipitation is 90%.
Saturday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 61.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 75.
Monday Night
A 40 percent chance of rain and thunderstorms. Partly cloudy, with a low around 58.
Tuesday
Rain and possibly a thunderstorm. High near 73. Chance of precipitation is 80%.
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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:
12:26 pm CST Mar 4, 2026
Forecast Valid:
1pm CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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