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. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast

64°F

18°C

Humidity 70%
Wind Speed E 9 mph
Barometer 30.08 in (1018.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 21 May 9:51 pm CDT
Extended Forecast for

2 Miles ENE Saint Charles MO

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. East wind around 7 mph.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers, mainly after 1pm.  Mostly cloudy, with a high near 69. East wind 6 to 8 mph.

    High: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly after midnight.  Mostly cloudy, with a low around 59. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 79. Light northwest wind.

    High: 79 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 1am.  Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 10am.  Mostly cloudy, with a high near 80. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 83.

    High: 83 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. East wind around 7 mph.
Friday
A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 69. East wind 6 to 8 mph.
Friday Night
A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 79. Light northwest wind.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 62. Calm wind.
Sunday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 62.
Memorial Day
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 64.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Saint Charles MO
 38.8°N 90.48°W (Elev. 456 ft)
9:31 pm CDT May 21, 2026
9pm CDT May 21, 2026-6pm CDT May 28, 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