National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

60°F

16°C

Humidity 31%
Wind Speed S 5 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 13 Feb 4:54 pm CST
Extended Forecast for

3 Miles NNW Elsberry MO

  • Tonight

    Tonight: Increasing clouds, with a low around 39. Southwest wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Rain, mainly after 11am. High near 50. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 90%.

    High: 50 °F

    Rain Likely
    then Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 1am. Low around 42. East wind around 6 mph. Chance of precipitation is 80%.

    Low: 42 °F

    Rain

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 57. Northeast wind 3 to 6 mph.

    High: 57 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 39. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Rain, mainly after 11am. High near 50. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 90%.
Saturday Night
Rain, mainly before 1am. Low around 42. East wind around 6 mph. Chance of precipitation is 80%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 57. Northeast wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 37. Calm wind.
Washington's Birthday
Mostly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Mostly cloudy, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 44.
Thursday
A 20 percent chance of rain. Sunny, with a high near 61.
Thursday Night
A 20 percent chance of rain. Partly cloudy, with a low around 37.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Elsberry MO
 39.21°N 90.8°W (Elev. 509 ft)
Last Update:
4:56 pm CST Feb 13, 2026
Forecast Valid:
5pm CST Feb 13, 2026-6pm CST Feb 20, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation