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

72°F

22°C

Humidity 76%
Wind Speed S 15 G 25 mph
Barometer 29.81 in (1009.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 15 Apr 7:54 pm CDT
Extended Forecast for

Whiteside MO

Tornado Watch April 15, 08:34pm until April 16, 12:00am
Click here for hazard details and duration
Tornado Watch
  •  
    Tornado Watch April 15, 08:34pm until April 16, 12:00am

    NOW until 12:00am Thu

    Tornado Watch

  • Tonight

    Low: 61 °F

    Severe
    Thunderstorms
    then
    Scattered
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 81. West wind around 7 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Calm wind becoming south around 6 mph after midnight.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 84. South wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    High: 84 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 46. South wind around 11 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%.

    Low: 46 °F

    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 58. Chance of precipitation is 30%.

    High: 58 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 2am. Some of the storms could be severe. Low around 61. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Thursday
Sunny, with a high near 81. West wind around 7 mph.
Thursday Night
Mostly clear, with a low around 59. Calm wind becoming south around 6 mph after midnight.
Friday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 84. South wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm. Low around 46. South wind around 11 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 58. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 63.
Sunday Night
Clear, with a low around 40.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 74.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 53.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whiteside MO
 39.17°N 91.01°W (Elev. 712 ft)
Last Update:
8:31 pm CDT Apr 15, 2026
Forecast Valid:
8pm CDT Apr 15, 2026-6pm CDT Apr 22, 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