Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

69°F

21°C

Humidity 73%
Wind Speed S 14 mph
Barometer 29.73 in (1006.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 9 Mar 7:54 pm CDT
Extended Forecast for

3 Miles E Winfield MO

  • Tonight

    Tonight: Mostly clear, with a low around 60. South wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of rain and thunderstorms after 4pm.  Partly sunny, with a high near 82. South wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain and thunderstorms likely, then rain and possibly a thunderstorm after 4am.  Low around 51. Southwest wind 10 to 13 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%.

    Low: 51 °F

    Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 10am, then showers, mainly between 10am and 1pm.  Temperature rising to near 60 by 10am, then falling to around 49 during the remainder of the day. Southwest wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.  Chance of precipitation is 90%.

    High: 60 °F

    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. Northwest wind 5 to 13 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 60. South wind 7 to 10 mph, with gusts as high as 21 mph.
Tuesday
A 20 percent chance of rain and thunderstorms after 4pm. Partly sunny, with a high near 82. South wind 7 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 4am. Low around 51. Southwest wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm before 10am, then showers, mainly between 10am and 1pm. Temperature rising to near 60 by 10am, then falling to around 49 during the remainder of the day. Southwest wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 90%.
Wednesday Night
Mostly cloudy, with a low around 31. Northwest wind 5 to 13 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Mostly cloudy, with a high near 62.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 49.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 64.
Sunday Night
A slight chance of rain and snow. Partly cloudy, with a low around 27. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Winfield MO
 39.01°N 90.7°W (Elev. 430 ft)
7:21 pm CDT Mar 9, 2026
8pm CDT Mar 9, 2026-6pm CDT Mar 16, 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