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 Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

84°F

29°C

Humidity 70%
Wind Speed SE 7 mph
Barometer 30.10 in (1018.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 15 Aug 10:53 am CDT
Extended Forecast for

Imperial MO

Extreme Heat Warning August 15, 10:59am until August 16, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 15, 10:59am until August 16, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Today

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 76. Light southwest wind.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 113. West wind 3 to 6 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 72. North wind 3 to 5 mph.  Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 87. North wind 3 to 5 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °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
Partly sunny, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 111. Light and variable wind becoming south around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 76. Light southwest wind.
Sunday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 113. West wind 3 to 6 mph.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. North wind 3 to 5 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 87. North wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Sunny, with a high near 91.
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 93. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Imperial MO
 38.38°N 90.38°W (Elev. 423 ft)
9:56 am CDT Aug 15, 2026
10am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
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