NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

58°F

14°C

Humidity 81%
Wind Speed N 9 mph
Barometer 30.17 in (1021.3 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 May 2:54 am CDT
Extended Forecast for

6 Miles NNE Moscow Mills MO

  • Overnight

    Overnight: A 30 percent chance of showers, mainly before 4am.  Cloudy, with a low around 52. North wind around 8 mph.

    Low: 52 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 67. Northeast wind 6 to 9 mph.

    High: 67 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50. Northeast wind 3 to 5 mph.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 70. East wind 5 to 7 mph.

    High: 70 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 1am.  Cloudy, with a low around 55. East wind around 7 mph.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm.  High near 69. Chance of precipitation is 80%.

    High: 69 °F

    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am.  Mostly cloudy, with a low around 57. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 79.

    High: 79 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly before 4am. Cloudy, with a low around 52. North wind around 8 mph.
Wednesday
Mostly cloudy, with a high near 67. Northeast wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 50. Northeast wind 3 to 5 mph.
Thursday
Mostly cloudy, with a high near 70. East wind 5 to 7 mph.
Thursday Night
A 50 percent chance of showers after 1am. Cloudy, with a low around 55. East wind around 7 mph.
Friday
Showers and possibly a thunderstorm. High near 69. Chance of precipitation is 80%.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 20%.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 59.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 60.
Memorial Day
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 62.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Moscow Mills MO
 39.04°N 90.9°W (Elev. 607 ft)
2:41 am CDT May 20, 2026
3am CDT May 20, 2026-6pm CDT May 26, 2026
 
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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