National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

62°F

17°C

Humidity 84%
Wind Speed NE 5 mph
Barometer 30.14 in (1020.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 23 Jul 4:54 am CDT
Extended Forecast for

5 Miles SW Elsberry MO

  • Today

    Today: Mostly sunny, with a high near 79. Light east wind.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm after midnight.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Southeast wind around 6 mph. Chance of precipitation is 70%.

    Low: 66 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 86. Southeast wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. Light east wind.
Tonight
Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm after midnight.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Southeast wind around 6 mph. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 86. Southeast wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Elsberry MO
 39.12°N 90.87°W (Elev. 899 ft)
Last Update:
5:11 am CDT Jul 23, 2026
Forecast Valid:
5am CDT Jul 23, 2026-6pm CDT Jul 29, 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