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
81°F
27°C
| Humidity | 33% |
| Wind Speed | E 10 G 20 mph |
| Barometer | 30.07 in (1018.0 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 25 May 2:54 pm CDT |
Extended Forecast for
3 Miles WNW Winfield MO
Tonight
Low: 57 °F
Mostly Cloudy
Tuesday
High: 80 °F
Partly Sunny
Tuesday Night
Low: 61 °F
Slight Chance
T-storms then
Chance
ShowersWednesday
High: 82 °F
Chance
Showers then
Chance
T-stormsWednesday Night
Low: 62 °F
Partly Cloudy
Thursday
High: 83 °F
Partly Sunny
then Slight
Chance
T-stormsThursday Night
Low: 62 °F
Mostly Cloudy
Friday
High: 77 °F
Chance
ShowersFriday Night
Low: 59 °F
Mostly Cloudy
then Slight
Chance
Showers
Detailed Forecast
Tonight
Mostly cloudy, with a low around 57. East wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 61. Light northeast wind.
Wednesday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, then gradually becoming sunny, with a high near 82. Light northeast wind. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 62. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.
Thursday Night
Mostly cloudy, with a low around 62.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 77.
Friday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 59.
Saturday
Partly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles WNW Winfield MO
39.01°N 90.78°W (Elev. 551 ft)
39.01°N 90.78°W (Elev. 551 ft)
1:26 pm CDT May 25, 2026
3pm CDT May 25, 2026-6pm CDT Jun 1, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
