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

69°F

21°C

Humidity 96%
Wind Speed N 5 mph
Barometer 29.87 in (1010.9 mb)
Dewpoint 68°F (20°C)
Visibility 8.00 mi
Last update 17 Jun 2:54 am CDT
Extended Forecast for

2 Miles NW Foley MO

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 71. South wind 3 to 6 mph.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms after 4pm. High near 82. Southwest wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 82 °F

    Showers
    Likely then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Low around 65. Southwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 65 °F

    T-storms then
    Slight Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 69. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 71. South wind 3 to 6 mph.
Wednesday
Showers and thunderstorms likely before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms after 4pm. High near 82. Southwest wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Low around 65. Southwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Juneteenth
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny, with a high near 95.
Saturday Night
Clear, with a low around 76.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Foley MO
 39.05°N 90.75°W (Elev. 499 ft)
Last Update:
1:36 am CDT Jun 17, 2025
Forecast Valid:
3am CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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