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.

Fair

80°F

27°C

Humidity 42%
Wind Speed S 12 G 25 mph
Barometer 29.84 in (1010.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 May 12:54 pm CDT
Extended Forecast for

7 Miles ESE Silex MO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 83. South wind around 11 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 3am.  Cloudy, then gradually becoming partly cloudy, with a low around 65. South wind 7 to 9 mph, with gusts as high as 22 mph.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 10am.  Mostly cloudy, with a high near 80. West wind 6 to 10 mph becoming southeast in the afternoon.  Chance of precipitation is 70%.

    High: 80 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 63. Southeast wind 6 to 9 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88. South wind 8 to 13 mph, with gusts as high as 28 mph.

    High: 88 °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, mainly after 1pm.  Partly sunny, with a high near 88.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Partly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 83. South wind around 11 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 65. South wind 7 to 9 mph, with gusts as high as 22 mph.
Saturday
Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, with a high near 80. West wind 6 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. Southeast wind 6 to 9 mph.
Sunday
Sunny, with a high near 88. South wind 8 to 13 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 69.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 69.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 72.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Silex MO
 39.1°N 90.92°W (Elev. 699 ft)
1:25 pm CDT May 15, 2026
1pm CDT May 15, 2026-6pm CDT May 21, 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