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

80°F

27°C

Humidity 71%
Wind Speed W 9 mph
Barometer 29.69 in (1004.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 21 Jun 7:54 pm CDT
Extended Forecast for

Foley MO

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 62. Southwest wind 6 to 8 mph becoming northwest after midnight.

    Low: 62 °F

    Chance
    T-storms then
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 75. North wind around 8 mph.

    High: 75 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 58. North wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 80. Light east wind.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 62. Southwest wind 6 to 8 mph becoming northwest after midnight.
Monday
Mostly cloudy, with a high near 75. North wind around 8 mph.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 58. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 80. Light east wind.
Tuesday Night
Partly cloudy, with a low around 61. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 65.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Foley MO
 39.05°N 90.75°W (Elev. 499 ft)
Last Update:
8:46 pm CDT Jun 21, 2026
Forecast Valid:
8pm CDT Jun 21, 2026-6pm CDT Jun 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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