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.

Thunderstorm Light Rain Fog/Mist

72°F

22°C

Humidity 91%
Wind Speed S 5 mph
Barometer 29.85 in (1010.1 mb)
Dewpoint 69°F (21°C)
Visibility 4.00 mi
Last update 17 Jun 9:54 pm CDT
Extended Forecast for

3 Miles ESE Whiteside MO

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 70. South wind 6 to 8 mph.

    Low: 70 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 80. Southwest wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. West wind around 5 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Light and variable wind.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 70. South wind 6 to 8 mph.
Wednesday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 80. Southwest wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.
Juneteenth
Sunny, with a high near 83. West wind around 5 mph.
Thursday Night
Mostly clear, with a low around 65. Light and variable wind.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 93.
Saturday Night
Clear, with a low around 75.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Whiteside MO
 39.17°N 90.98°W (Elev. 869 ft)
Last Update:
6:22 pm CDT Jun 17, 2025
Forecast Valid:
10pm CDT Jun 17, 2025-6pm CDT Jun 24, 2025
 
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