Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

79°F

26°C

Humidity 69%
Wind Speed NE 8 mph
Barometer 29.98 in (1014.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 15 Jun 5:54 pm CDT
Extended Forecast for

4 Miles NNE Saint Charles MO

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. Northeast wind around 6 mph becoming calm  in the evening.

    Low: 70 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers between 11am and 1pm, then a slight chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 73. South wind around 7 mph.

    Low: 73 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm.  Mostly cloudy, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 70. Northeast wind around 6 mph becoming calm in the evening.
Monday
A slight chance of showers between 11am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 92. Calm wind becoming southwest 5 to 7 mph in the morning.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73. South wind around 7 mph.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 69.
Juneteenth
Mostly sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny, with a high near 95.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Saint Charles MO
 38.85°N 90.51°W (Elev. 436 ft)
5:51 pm CDT Jun 15, 2025
6pm CDT Jun 15, 2025-6pm CDT Jun 22, 2025
 
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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