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

46°F

8°C

Humidity 54%
Wind Speed SE 9 mph
Barometer 29.90 in (1012.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 26 Feb 9:54 am CST
Extended Forecast for

6 Miles NNE Moscow Mills MO

  • Today

    Today: Sunny, with a high near 56. Southeast wind around 5 mph becoming light and variable in the afternoon.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 36. Calm wind becoming southwest around 5 mph after midnight.

    Low: 36 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 71. Southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. Southwest wind around 6 mph becoming northeast after midnight.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain. Mostly sunny, with a high near 61. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A slight chance of rain before 3am, then a slight chance of freezing rain. Partly cloudy, with a low around 28. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Freezing
    Rain

  • Sunday

    Sunday: Rain and snow likely, mainly after noon. Cloudy, with a high near 37. Chance of precipitation is 60%.

    High: 37 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain before midnight, then a chance of snow. Low around 25. Chance of precipitation is 80%.

    Low: 25 °F

    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: A chance of rain and snow before noon, then a slight chance of rain. Cloudy, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 56. Southeast wind around 5 mph becoming light and variable in the afternoon.
Tonight
Clear, with a low around 36. Calm wind becoming southwest around 5 mph after midnight.
Friday
Sunny, with a high near 71. Southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 39. Southwest wind around 6 mph becoming northeast after midnight.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 61. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A slight chance of rain before 3am, then a slight chance of freezing rain. Partly cloudy, with a low around 28. Chance of precipitation is 20%.
Sunday
Rain and snow likely, mainly after noon. Cloudy, with a high near 37. Chance of precipitation is 60%.
Sunday Night
Snow, possibly mixed with rain before midnight, then a chance of snow. Low around 25. Chance of precipitation is 80%.
Monday
A chance of rain and snow before noon, then a slight chance of rain. Cloudy, with a high near 38. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 24.
Tuesday
A 40 percent chance of rain. Cloudy, with a high near 42.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 29.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Moscow Mills MO
 39.04°N 90.9°W (Elev. 607 ft)
Last Update:
8:36 am CST Feb 26, 2026
Forecast Valid:
10am CST Feb 26, 2026-6pm CST Mar 4, 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