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 96%
Wind Speed Calm
Barometer 29.85 in (1010.0 mb)
Dewpoint 72°F (22°C)
Visibility 7.00 mi
Last update 28 Jun 3:54 am CDT
Extended Forecast for

Ellisville MO

Extreme Heat Warning June 28, 12:00pm until July 3, 12:00am
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, sunny, with a high near 93. Heat index values as high as 107. South wind 5 to 7 mph.

    High: 93 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 75. South wind 5 to 7 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 95. Heat index values as high as 105. South wind 5 to 8 mph.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South wind around 7 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 71. Calm wind.
Sunday
Patchy fog before 8am. Otherwise, sunny, with a high near 93. Heat index values as high as 107. South wind 5 to 7 mph.
Sunday Night
Increasing clouds, with a low around 75. South wind 5 to 7 mph.
Monday
Sunny, with a high near 95. Heat index values as high as 105. South wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 76. South wind around 7 mph.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Clear, with a low around 75.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 76.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 75.
Independence Day
Sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ellisville MO
 38.58°N 90.57°W (Elev. 696 ft)
Last Update:
2:36 am CDT Jun 28, 2026
Forecast Valid:
3am CDT Jun 28, 2026-6pm CDT Jul 4, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation