Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

87°F

31°C

Humidity 34%
Wind Speed SW 8 mph
Barometer 29.67 in (1004.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 26 Mar 6:54 pm CDT
Extended Forecast for

4 Miles WNW Old Monroe MO

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then a chance of showers after 4am.  Low around 40. Breezy, with a southwest wind 8 to 13 mph becoming north 16 to 21 mph in the evening. Winds could gust as high as 33 mph.  Chance of precipitation is 90%.

    Low: 40 °F

    Breezy.
    T-storms
    Likely then
    T-storms

  • Friday

    Friday: A 20 percent chance of showers before 8am.  Cloudy through mid morning, then gradual clearing, with a high near 54. North wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 54 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. North wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 20 mph.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56. Calm wind becoming south 5 to 7 mph in the morning.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. South wind around 7 mph.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then a chance of showers after 4am. Low around 40. Breezy, with a southwest wind 8 to 13 mph becoming north 16 to 21 mph in the evening. Winds could gust as high as 33 mph. Chance of precipitation is 90%.
Friday
A 20 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 54. North wind 14 to 17 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 29. North wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 56. Calm wind becoming south 5 to 7 mph in the morning.
Saturday Night
Partly cloudy, with a low around 41. South wind around 7 mph.
Sunday
Partly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 84.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 63.
Tuesday
A 20 percent chance of rain and thunderstorms. Partly sunny, with a high near 86.
Tuesday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 57.
Wednesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 78.
Wednesday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Thursday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Old Monroe MO
 38.94°N 90.82°W (Elev. 525 ft)
5:41 pm CDT Mar 26, 2026
7pm CDT Mar 26, 2026-6pm CDT Apr 2, 2026
 
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Additional Resources

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