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

65°F

18°C

Humidity 81%
Wind Speed SW 9 mph
Barometer 29.82 in (1009.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 9 Mar 11:54 pm CDT
Extended Forecast for

5 Miles NE Moscow Mills MO

  • Overnight

    Overnight: Mostly clear, with a low around 61. South wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. South wind 7 to 17 mph, with gusts as high as 29 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 50. South wind 11 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Temperature falling to around 49 by 3pm. Southwest wind 10 to 18 mph becoming northwest in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 100%.

    High: 66 °F⇓

    T-storms then
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. Northwest wind 5 to 14 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 45.

    Low: 45 °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

Overnight
Mostly clear, with a low around 61. South wind 6 to 9 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 84. South wind 7 to 17 mph, with gusts as high as 29 mph.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 50. South wind 11 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. Temperature falling to around 49 by 3pm. Southwest wind 10 to 18 mph becoming northwest in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, with a low around 31. Northwest wind 5 to 14 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Mostly cloudy, with a high near 62.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 49.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 63.
Sunday Night
A slight chance of rain and snow. Partly cloudy, with a low around 26. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Moscow Mills MO
 38.99°N 90.84°W (Elev. 577 ft)
Last Update:
11:41 pm CDT Mar 9, 2026
Forecast Valid:
12am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation