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

13°F

-11°C

Humidity 64%
Wind Speed SW 8 mph
Barometer 30.19 in (1023.9 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 18 Jan 8:54 am CST
Extended Forecast for

Ellisville MO

  • Today

    Today: Sunny early, then becoming cloudy, with a high near 32. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.

    High: 32 °F

    Becoming
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, then becoming clear toward daybreak, with a low around 10. Northwest wind 10 to 16 mph, with gusts as high as 29 mph.

    Low: 10 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 22. Northwest wind 7 to 15 mph, with gusts as high as 28 mph.

    High: 22 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11. West wind 3 to 6 mph.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. South wind 6 to 8 mph.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a steady temperature around 34.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny early, then becoming cloudy, with a high near 32. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, then becoming clear toward daybreak, with a low around 10. Northwest wind 10 to 16 mph, with gusts as high as 29 mph.
M.L.King Day
Sunny, with a high near 22. Northwest wind 7 to 15 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 11. West wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 38. South wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a steady temperature around 34.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 27.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 45.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Saturday
A 30 percent chance of snow. Partly 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:
8:22 am CST Jan 18, 2026
Forecast Valid:
9am CST Jan 18, 2026-6pm CST Jan 24, 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