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.

Fair

46°F

8°C

Humidity 37%
Wind Speed W 16 mph
Barometer 30.27 in (1025.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 12 Jan 10:54 am CST
Extended Forecast for

Ellisville MO

  • Today

    Today: Sunny, with a high near 55. Southwest wind 5 to 10 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. Southwest wind 3 to 8 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. Southwest wind 8 to 13 mph, with gusts as high as 26 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 39. West wind 7 to 10 mph.

    Low: 39 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature falling to around 33 by 5pm. Northwest wind 10 to 16 mph, with gusts as high as 30 mph.

    High: 43 °F⇓

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after noon. Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

Detailed Forecast

Today
Sunny, with a high near 55. Southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 36. Southwest wind 3 to 8 mph.
Tuesday
Mostly sunny, with a high near 61. Southwest wind 8 to 13 mph, with gusts as high as 26 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 39. West wind 7 to 10 mph.
Wednesday
Mostly cloudy, with a temperature falling to around 33 by 5pm. Northwest wind 10 to 16 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
A 20 percent chance of snow showers after noon. Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ellisville MO
 38.58°N 90.57°W (Elev. 696 ft)
Last Update:
11:21 am CST Jan 12, 2026
Forecast Valid:
11am CST Jan 12, 2026-6pm CST Jan 18, 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