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

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 >

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Mostly Cloudy

79°F

26°C

Humidity 82%
Wind Speed E 9 mph
Barometer 30.12 in (1018.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 15 Aug 8:54 am CDT
Extended Forecast for

High Ridge MO

Extreme Heat Warning August 15, 09:06am until August 16, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 15, 09:06am until August 16, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Today

    High: 95 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. Calm wind becoming southwest around 5 mph after midnight.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 107. West wind around 6 mph.

    High: 94 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. North wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 85. North wind around 5 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 95. Heat index values as high as 107. Northwest wind around 6 mph becoming south in the morning.
Tonight
Mostly clear, with a low around 76. Calm wind becoming southwest around 5 mph after midnight.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 107. West wind around 6 mph.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. North wind 3 to 6 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 85. North wind around 5 mph.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Sunny, with a high near 89.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 90. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 81.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 81.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
High Ridge MO
 38.45°N 90.52°W (Elev. 797 ft)
Last Update:
7:51 am CDT Aug 15, 2026
Forecast Valid:
9am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation