Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

67°F

19°C

Humidity 97%
Wind Speed S 5 mph
Barometer 29.98 in (1014.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 27 Aug 12:54 am CDT
Extended Forecast for

Ellisville MO

  • Overnight

    Overnight: Clear, with a low around 67. Light northwest wind.

    Low: 67 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Calm wind becoming north around 6 mph in the morning.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Light north wind.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Light north wind.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 67. Light northwest wind.
Thursday
Sunny, with a high near 86. Calm wind becoming north around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 61. Light north wind.
Friday
Sunny, with a high near 86. Light north wind.
Friday Night
Mostly clear, with a low around 62. Calm wind.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 73.
Monday
Mostly sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Mostly sunny, with a high near 96.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Ellisville MO
 38.58°N 90.6°W (Elev. 699 ft)
12:31 am CDT Aug 27, 2026
1am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database