Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Thunderstorm in Vicinity

71°F

22°C

Humidity 96%
Wind Speed E 9 mph
Barometer 29.96 in (1014.3 mb)
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Last update 15 Oct 10:54 am CDT
Extended Forecast for

2 Miles SSE Old Monroe MO

  • Today

    Today: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Some of the storms could produce heavy rainfall.  Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 8 to 11 mph becoming southwest in the afternoon.  Chance of precipitation is 70%.

    High: 79 °F

    Heavy Rain

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 2am.  Mostly cloudy, with a low around 44. Northwest wind 9 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny through mid morning, then becoming cloudy, with a high near 56. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 31 mph.

    High: 56 °F

    Becoming
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. North wind 6 to 16 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 60. Light northeast wind.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Some of the storms could produce heavy rainfall. Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 8 to 11 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Tonight
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 44. Northwest wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Friday
Mostly sunny through mid morning, then becoming cloudy, with a high near 56. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 31 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. North wind 6 to 16 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 60. Light northeast wind.
Saturday Night
Clear, with a low around 36.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Old Monroe MO
 38.9°N 90.73°W (Elev. 446 ft)
11:21 am CDT Oct 15, 2026
11am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
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Additional Resources

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