Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

58°F

14°C

Humidity 93%
Wind Speed E 5 mph
Barometer 29.73 in (1006.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 27 Dec 10:54 pm CST
Extended Forecast for

5 Miles SSW St. Charles County Smartt Airport MO

  • Tonight

    Tonight: A slight chance of showers before 3am, then a slight chance of showers and thunderstorms between 3am and 5am.  Cloudy, with a low around 55. South wind around 8 mph.  Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 3pm.  Cloudy, with a temperature rising to near 68 by noon, then falling to around 48 during the remainder of the day. Breezy, with a south wind 8 to 13 mph becoming west 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 60%.

    High: 68 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Cloudy during the early evening, then gradual clearing, with a low around 18. Breezy, with a west wind around 26 mph, with gusts as high as 39 mph.

    Low: 18 °F

    Gradual
    Clearing and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 28. Breezy, with a northwest wind 17 to 25 mph, with gusts as high as 37 mph.

    High: 28 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 16. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 16 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 3am, then a slight chance of showers and thunderstorms between 3am and 5am. Cloudy, with a low around 55. South wind around 8 mph. Chance of precipitation is 20%.
Sunday
Showers and thunderstorms likely, mainly before 3pm. Cloudy, with a temperature rising to near 68 by noon, then falling to around 48 during the remainder of the day. Breezy, with a south wind 8 to 13 mph becoming west 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%.
Sunday Night
Cloudy during the early evening, then gradual clearing, with a low around 18. Breezy, with a west wind around 26 mph, with gusts as high as 39 mph.
Monday
Mostly sunny, with a high near 28. Breezy, with a northwest wind 17 to 25 mph, with gusts as high as 37 mph.
Monday Night
Mostly clear, with a low around 16. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 34.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 25.
New Year's Day
Mostly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW St. Charles County Smartt Airport MO
 38.87°N 90.48°W (Elev. 436 ft)
10:51 pm CST Dec 27, 2025
11pm CST Dec 27, 2025-6pm CST Jan 3, 2026
 
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Additional Resources

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