National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

64°F

18°C

Humidity 78%
Wind Speed Calm
Barometer 29.97 in (1014.2 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 Oct 4:54 am CDT
Extended Forecast for

Eureka MO

  • Today

    Today: Partly sunny, with a high near 84. South wind 3 to 8 mph.

    High: 84 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. South wind around 7 mph.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 79. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 79 °F

    Showers then
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 46. West wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    Low: 46 °F

    T-storms
    Likely then
    Showers
    Likely

  • Sunday

    Sunday: Sunny, with a high near 65. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 84. South wind 3 to 8 mph.
Tonight
Partly cloudy, with a low around 63. South wind around 7 mph.
Saturday
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 79. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday Night
Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 46. West wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Sunday
Sunny, with a high near 65. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 69.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 46.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka MO
 38.5°N 90.63°W (Elev. 492 ft)
Last Update:
4:56 am CDT Oct 17, 2025
Forecast Valid:
5am CDT Oct 17, 2025-6pm CDT Oct 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation