National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

96°F

36°C

Humidity 49%
Wind Speed SW 16 G 28 mph
Barometer 29.93 in (1012.0 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 21 Jun 2:51 pm CDT
Extended Forecast for

Creve Coeur MO

Extreme Heat Warning June 21, 02:54pm until June 24, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 21, 02:54pm until June 24, 09:00pm

    NOW until 9:00pm Tue

    Extreme Heat Warning

  • This Afternoon

    High: 98 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 78. South wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 78 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Heat index values as high as 104. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. South wind 6 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 98. Southwest wind around 7 mph.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 98.

    High: 98 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 98. Heat index values as high as 107. Southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 78. South wind 7 to 11 mph, with gusts as high as 22 mph.
Sunday
Sunny and hot, with a high near 97. Heat index values as high as 104. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 77. South wind 6 to 10 mph.
Monday
Sunny and hot, with a high near 98. Southwest wind around 7 mph.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 98.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Mostly sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Creve Coeur MO
 38.67°N 90.46°W (Elev. 597 ft)
Last Update:
2:21 pm CDT Jun 21, 2025
Forecast Valid:
2pm CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

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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