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Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

82°F

28°C

Humidity 60%
Wind Speed NE 7 mph
Barometer 30.05 in (1016.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 15 Jun 1:54 pm CDT
Extended Forecast for

St. Charles County Smartt Airport MO

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 85. North wind around 7 mph becoming northeast.

    High: 85 °F

    Partly Sunny

  • 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 noon 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

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. Southeast wind around 6 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.

    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

Detailed Forecast

This Afternoon
Partly sunny, with a high near 85. North wind around 7 mph becoming northeast.
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 noon 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 6 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.
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.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
St. Charles County Smartt Airport MO
 38.93°N 90.42°W (Elev. 427 ft)
Last Update:
2:36 pm CDT Jun 15, 2025
Forecast Valid:
2pm CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation