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

82°F

28°C

Humidity 74%
Wind Speed Vrbl 3 mph
Barometer 30.06 in (1017.3 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 18 Jul 1:54 pm CDT
Extended Forecast for

4 Miles S Elsberry MO

Extreme Heat Warning July 19, 12:00pm until July 23, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Mostly cloudy, with a high near 86. Southeast wind around 5 mph. Chance of precipitation is 20%.

    High: 86 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 73 °F

    Scattered
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 103. Light and variable wind becoming southwest 5 to 8 mph in the morning.

    High: 92 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 75. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 93 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75.

    Low: 75 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly cloudy, with a high near 86. Southeast wind around 5 mph. Chance of precipitation is 20%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 103. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 75. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Light and variable wind becoming southwest around 6 mph in the morning.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Elsberry MO
 39.12°N 90.78°W (Elev. 535 ft)
Last Update:
2:21 pm CDT Jul 18, 2025
Forecast Valid:
2pm CDT Jul 18, 2025-6pm CDT Jul 24, 2025
 
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