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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. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

62°F

17°C

Humidity 65%
Wind Speed NE 8 mph
Barometer 30.14 in (1020.1 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 21 May 9:54 am CDT
Extended Forecast for

Spirit Of St. Louis Airport MO

  • Today

    Today: Increasing clouds, with a high near 71. Northeast wind 6 to 8 mph.

    High: 71 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. Northeast wind 5 to 8 mph.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 71. East wind around 7 mph. Chance of precipitation is 70%.

    High: 71 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 57. East wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • 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. Partly sunny, with a high near 83.

    High: 83 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Increasing clouds, with a high near 71. Northeast wind 6 to 8 mph.
Tonight
Mostly cloudy, with a low around 57. Northeast wind 5 to 8 mph.
Friday
Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 71. East wind around 7 mph. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 57. East wind around 6 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 62.
Memorial Day
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
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 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Spirit Of St. Louis Airport MO
 38.67°N 90.6°W (Elev. 449 ft)
Last Update:
8:21 am CDT May 21, 2026
Forecast Valid:
10am CDT May 21, 2026-6pm CDT May 27, 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