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.

Fair

88°F

31°C

Humidity 57%
Wind Speed SE 7 mph
Barometer 30.00 in (1015.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 20 Jun 1:54 pm CDT
Extended Forecast for

Foley MO

Heat Advisory June 21, 12:00pm until June 24, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. South wind 10 to 13 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 75. South wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 75 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 95. Heat index values as high as 106. Southwest wind 9 to 17 mph, with gusts as high as 28 mph.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 73. South wind 6 to 13 mph, with gusts as high as 23 mph.

    Low: 73 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 95. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Monday Night

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

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 91. South wind 10 to 13 mph.
Tonight
Clear, with a low around 75. South wind 7 to 10 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 95. Heat index values as high as 106. Southwest wind 9 to 17 mph, with gusts as high as 28 mph.
Saturday Night
Clear, with a low around 73. South wind 6 to 13 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 95. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.
Sunday Night
Clear, with a low around 75.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Foley MO
 39.05°N 90.75°W (Elev. 499 ft)
Last Update:
2:06 pm CDT Jun 20, 2025
Forecast Valid:
2pm CDT Jun 20, 2025-6pm CDT Jun 26, 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