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

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

A Few Clouds

59°F

15°C

Humidity 64%
Wind Speed E 9 mph
Barometer 29.92 in (1013.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 15 May 6:54 am CDT
Extended Forecast for

4 Miles ENE Moscow Mills MO

  • Today

    Today: A 40 percent chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 84. South wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Chance
    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 65. South wind around 7 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 2pm. Cloudy, then gradual clearing during the afternoon, with a high near 83. West wind 5 to 7 mph becoming south in the morning. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. South wind 5 to 7 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. South wind 8 to 13 mph, with gusts as high as 26 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 84. South wind 7 to 10 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 65. South wind around 7 mph. Chance of precipitation is 20%.
Saturday
Showers and thunderstorms likely, mainly before 2pm. Cloudy, then gradual clearing during the afternoon, with a high near 83. West wind 5 to 7 mph becoming south in the morning. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 63. South wind 5 to 7 mph.
Sunday
Sunny, with a high near 90. South wind 8 to 13 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 69.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 74.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Moscow Mills MO
 38.97°N 90.84°W (Elev. 597 ft)
Last Update:
5:30 am CDT May 15, 2026
Forecast Valid:
7am CDT May 15, 2026-6pm CDT May 21, 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