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

15°F

-9°C

Humidity 53%
Wind Speed NW 13 mph
Barometer 30.34 in (1028.5 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 19 Jan 6:54 am CST
Extended Forecast for

Ellisville MO

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 21. Northwest wind 7 to 17 mph, with gusts as high as 26 mph.

    High: 21 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 14. West wind around 5 mph becoming light and variable.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. South wind around 6 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 30. South wind 6 to 10 mph becoming southwest after midnight. Winds could gust as high as 23 mph.

    Low: 30 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 45. West wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 45 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 26.

    High: 26 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Sunny, with a high near 21. Northwest wind 7 to 17 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 14. West wind around 5 mph becoming light and variable.
Tuesday
Mostly sunny, with a high near 39. South wind around 6 mph.
Tuesday Night
Increasing clouds, with a low around 30. South wind 6 to 10 mph becoming southwest after midnight. Winds could gust as high as 23 mph.
Wednesday
Sunny, with a high near 45. West wind 6 to 10 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 23.
Thursday
Sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
Mostly cloudy, with a high near 26.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 2.
Saturday
A 20 percent chance of snow. Mostly cloudy and cold, with a high near 15.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 6.
Sunday
Mostly sunny, with a high near 26.
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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:
5:16 am CST Jan 19, 2026
Forecast Valid:
7am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
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