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.

Overcast

73°F

23°C

Humidity 74%
Wind Speed S 6 mph
Barometer 29.83 in (1009.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 15 Apr 6:54 pm CDT
Extended Forecast for

Ellisville MO

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 3am. Low around 62. South wind 7 to 10 mph becoming southwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 80%.

    Low: 62 °F

    T-storms

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind around 7 mph.

    High: 84 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Calm wind becoming south around 5 mph after midnight.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South wind 5 to 13 mph, with gusts as high as 24 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 50. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly sunny, with a high near 62.

    High: 62 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 3am. Low around 62. South wind 7 to 10 mph becoming southwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 80%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind around 7 mph.
Thursday Night
Mostly clear, with a low around 61. Calm wind becoming south around 5 mph after midnight.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South wind 5 to 13 mph, with gusts as high as 24 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 50. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Saturday
A 40 percent chance of showers. Mostly sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 66.
Sunday Night
Clear, with a low around 43.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 77.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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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:
7:46 pm CDT Apr 15, 2026
Forecast Valid:
7pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation