Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fog

42°F

6°C

Humidity 100%
Wind Speed Calm
Barometer 30.46 in (1031.5 mb)
Dewpoint 42°F (6°C)
Visibility 0.50 mi
Last update 17 Oct 11:54 pm CDT
Extended Forecast for

5 Miles SW Elsberry MO

Frost Advisory October 18, 01:00am until October 18, 09:00am
Click here for hazard details and duration
Frost Advisory
  • Overnight

    Overnight: Clear, with a low around 38. Calm wind becoming south around 6 mph.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 68. South wind around 7 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42. Southeast wind around 5 mph becoming calm  after midnight.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70. Light south wind.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 38. Calm wind becoming south around 6 mph.
Sunday
Sunny, with a high near 68. South wind around 7 mph.
Sunday Night
Clear, with a low around 42. Southeast wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 70. Light south wind.
Monday Night
Mostly clear, with a low around 44. Calm wind.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Elsberry MO
 39.12°N 90.87°W (Elev. 899 ft)
12:21 am CDT Oct 18, 2026
12am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database