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 51%
Wind Speed NE 7 mph
Barometer 29.92 in (1012.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 20 Jun 5:54 pm CDT
Extended Forecast for

4 Miles S Elsberry MO

Flood Watch June 21, 01:00am until June 21, 07:00pm
Click here for hazard details and duration
Flood Watch
  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am.  Increasing clouds, with a low around 66. Calm wind becoming southeast around 5 mph after midnight.

    Low: 66 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms. Some of the storms could produce heavy rainfall.  High near 80. Southeast wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 90%.

    High: 80 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could produce heavy rainfall.  Low around 63. West wind around 8 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    Low: 63 °F

    Heavy Rain
    then Chance
    Showers

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 75. North wind around 8 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 66. Calm wind becoming southeast around 5 mph after midnight.
Sunday
Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 80. Southeast wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Sunday Night
Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could produce heavy rainfall. Low around 63. West wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 75. North wind around 8 mph.
Monday Night
Partly cloudy, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 80.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Elsberry MO
 39.12°N 90.78°W (Elev. 535 ft)
6:41 pm CDT Jun 20, 2026
6pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026
 
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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