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

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

71°F

22°C

Humidity 94%
Wind Speed E 6 mph
Barometer 29.98 in (1014.8 mb)
Dewpoint 69°F (21°C)
Visibility 6.00 mi
Last update 15 Oct 9:54 am CDT
Extended Forecast for

Eureka MO

  • Today

    Today: Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. High near 79. Light and variable wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%.

    High: 79 °F

    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then scattered showers between 1am and 2am. Increasing clouds, with a low around 44. Southwest wind 7 to 10 mph becoming northwest in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a high near 56. Northwest wind 11 to 14 mph, with gusts as high as 26 mph.

    High: 56 °F

    Partly Sunny

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 37. North wind 5 to 10 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 59. Light northeast wind.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 35.

    Low: 35 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. High near 79. Light and variable wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms likely before 1am, then scattered showers between 1am and 2am. Increasing clouds, with a low around 44. Southwest wind 7 to 10 mph becoming northwest in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 56. Northwest wind 11 to 14 mph, with gusts as high as 26 mph.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a low around 37. North wind 5 to 10 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 59. Light northeast wind.
Saturday Night
Clear, with a low around 35.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 37.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 77.
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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:
9:16 am CDT Oct 15, 2026
Forecast Valid:
10am CDT Oct 15, 2026-6pm CDT Oct 21, 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