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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

70°F

21°C

Humidity 87%
Wind Speed Calm
Barometer 29.95 in (1013.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 27 May 5:54 am CDT
Extended Forecast for

3 Miles WSW Winfield MO

  • Today

    Today: A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 3pm. Partly sunny, with a high near 82. Light north wind. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 61. Light and variable wind.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Partly sunny, with a high near 84. East wind 3 to 8 mph.

    High: 84 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 62. East wind around 6 mph.

    Low: 62 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. East wind around 6 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 3pm. Partly sunny, with a high near 82. Light north wind. Chance of precipitation is 20%.
Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 61. Light and variable wind.
Thursday
Partly sunny, with a high near 84. East wind 3 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 62. East wind around 6 mph.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. East wind around 6 mph. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 60.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Winfield MO
 38.99°N 90.79°W (Elev. 499 ft)
Last Update:
5:57 am CDT May 27, 2026
Forecast Valid:
6am CDT May 27, 2026-6pm CDT Jun 2, 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