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

42°F

6°C

Humidity 68%
Wind Speed S 6 mph
Barometer 29.91 in (1013.2 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 6 Dec 11:54 pm CST
Extended Forecast for

Eureka MO

  • Overnight

    Overnight: Cloudy, with a low around 37. South wind 3 to 5 mph.

    Low: 37 °F

    Cloudy

  • Sunday

    Sunday: A slight chance of drizzle before 4pm, then a slight chance of snow between 4pm and 5pm. Cloudy, with a temperature falling to around 33 by 5pm. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    High: 40 °F⇓

    Slight Chance
    Drizzle then
    Slight Chance
    Drizzle/Snow

  • Sunday Night

    Sunday Night: Cloudy, with a low around 18. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 18 °F

    Cloudy

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 35. North wind around 5 mph becoming calm in the morning.

    High: 35 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Calm wind becoming southwest around 6 mph after midnight.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Cloudy, with a low around 37. South wind 3 to 5 mph.
Sunday
A slight chance of drizzle before 4pm, then a slight chance of snow between 4pm and 5pm. Cloudy, with a temperature falling to around 33 by 5pm. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Sunday Night
Cloudy, with a low around 18. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 35. North wind around 5 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 25. Calm wind becoming southwest around 6 mph after midnight.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 27.
Thursday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 8.
Saturday
Mostly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Eureka MO
 38.5°N 90.63°W (Elev. 492 ft)
Last Update:
9:46 pm CST Dec 6, 2025
Forecast Valid:
12am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
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