Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

87°F

31°C

Humidity 67%
Wind Speed SE 7 mph
Barometer 30.04 in (1015.7 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 14 Aug 10:51 pm CDT
Extended Forecast for

Olivette MO

Extreme Heat Warning August 14, 11:18pm until August 16, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 14, 11:18pm until August 16, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 79 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 8am and 9am.  Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 109. West wind 5 to 7 mph becoming east in the morning.  Chance of precipitation is 20%.

    High: 96 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. Calm wind becoming southwest around 5 mph after midnight.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 95. Heat index values as high as 107. Northwest wind 6 to 8 mph.

    High: 95 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. North wind around 6 mph.  Chance of precipitation is 50%.

    Low: 73 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 79. South wind 5 to 7 mph.
Saturday
A slight chance of showers and thunderstorms between 8am and 9am. Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 109. West wind 5 to 7 mph becoming east in the morning. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 78. Calm wind becoming southwest around 5 mph after midnight.
Sunday
Partly sunny, with a high near 95. Heat index values as high as 107. Northwest wind 6 to 8 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. North wind around 6 mph. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Mostly sunny, with a high near 95.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 69.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Olivette MO
 38.67°N 90.37°W (Elev. 610 ft)
10:31 pm CDT Aug 14, 2026
11pm CDT Aug 14, 2026-6pm CDT Aug 21, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database