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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.

A Few Clouds

71°F

22°C

Humidity 59%
Wind Speed NE 10 G 20 mph
Barometer 30.07 in (1017.7 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 21 May 3:54 pm CDT
Extended Forecast for

Eureka MO

  • Tonight

    Tonight: Increasing clouds, with a low around 56. Northeast wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 69. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 69 °F

    Scattered
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 56. Light and variable wind. Chance of precipitation is 30%.

    Low: 56 °F

    Scattered
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °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 60.

    Low: 60 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Increasing clouds, with a low around 56. Northeast wind around 6 mph becoming calm in the evening.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 69. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Scattered showers, mainly after midnight. Mostly cloudy, with a low around 56. Light and variable wind. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 80. Calm wind.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 60. 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 60.
Memorial Day
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 81.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka MO
 38.5°N 90.63°W (Elev. 492 ft)
Last Update:
2:36 pm CDT May 21, 2026
Forecast Valid:
4pm CDT May 21, 2026-6pm CDT May 28, 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