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

23°F

-5°C

Humidity 50%
Wind Speed NW 15 G 30 mph
Barometer 30.53 in (1034.8 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 22 Feb 10:54 pm CST
Extended Forecast for

Ellisville MO

  • Tonight

    Tonight: Partly cloudy, with a low around 14. Northwest wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 14 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 34. Northwest wind 6 to 11 mph becoming light in the afternoon. Winds could gust as high as 22 mph.

    High: 34 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 20. Calm wind becoming south 5 to 8 mph after midnight.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. South wind 9 to 14 mph, with gusts as high as 26 mph.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. West wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Thursday

    Thursday: A 30 percent chance of rain before noon. Mostly sunny, with a high near 53.

    High: 53 °F

    Chance Rain
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 14. Northwest wind 11 to 14 mph, with gusts as high as 24 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 34. Northwest wind 6 to 11 mph becoming light in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 20. Calm wind becoming south 5 to 8 mph after midnight.
Tuesday
Partly sunny, with a high near 56. South wind 9 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 36. West wind 5 to 9 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Thursday
A 30 percent chance of rain before noon. Mostly sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 51. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ellisville MO
 38.58°N 90.6°W (Elev. 699 ft)
Last Update:
10:26 pm CST Feb 22, 2026
Forecast Valid:
11pm CST Feb 22, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation