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, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

90°F

32°C

Humidity 59%
Wind Speed SE 8 mph
Barometer 30.03 in (1015.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 14 Aug 12:54 pm CDT
Extended Forecast for

3 Miles WSW Old Monroe MO

Heat Advisory August 14, 01:28pm until August 16, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 14, 01:28pm until August 16, 09:00pm

    NOW until 9:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 76. Light south wind.

    Low: 76 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 10am.  Mostly sunny and hot, with a high near 97. Heat index values as high as 104. West wind 3 to 6 mph.

    High: 97 °F

    Slight Chance
    T-storms then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. Light and variable wind.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 93. Northwest wind 3 to 5 mph.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 70. Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 95. Heat index values as high as 105. Light south wind.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 76. Light south wind.
Saturday
A 20 percent chance of showers and thunderstorms before 10am. Mostly sunny and hot, with a high near 97. Heat index values as high as 104. West wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 75. Light and variable wind.
Sunday
Mostly sunny, with a high near 93. Northwest wind 3 to 5 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Thursday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Old Monroe MO
 38.92°N 90.79°W (Elev. 466 ft)
12:26 pm CDT Aug 14, 2026
1pm CDT Aug 14, 2026-6pm CDT Aug 20, 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