Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

84°F

29°C

Humidity 70%
Wind Speed S 6 mph
Barometer 29.92 in (1011.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 14 Aug 3:51 am CDT
Extended Forecast for

Creve Coeur MO

Extreme Heat Warning August 14, 04:47am until August 15, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 14, 04:47am until August 15, 09:00pm

    NOW until 9:00pm Sat

    Extreme Heat Warning

  • Today

    High: 97 °F

    Chance
    T-storms then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 78. South wind around 6 mph.

    Low: 78 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 97. Heat index values as high as 109. West wind 5 to 7 mph becoming north in the morning.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 78. Calm wind becoming southwest around 6 mph after midnight.

    Low: 78 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. West wind around 7 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 110. Light and variable wind becoming south around 5 mph in the morning.
Tonight
Mostly clear, with a low around 78. South wind around 6 mph.
Saturday
Mostly sunny and hot, with a high near 97. Heat index values as high as 109. West wind 5 to 7 mph becoming north in the morning.
Saturday Night
Partly cloudy, with a low around 78. Calm wind becoming southwest around 6 mph after midnight.
Sunday
Mostly sunny and hot, with a high near 97. West wind around 7 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 74.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Mostly sunny, with a high near 95.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Thursday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Creve Coeur MO
 38.67°N 90.43°W (Elev. 656 ft)
4:06 am CDT Aug 14, 2026
4am CDT Aug 14, 2026-6pm CDT Aug 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database