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.

Fair

89°F

32°C

Humidity 63%
Wind Speed S 10 mph
Barometer 30.06 in (1016.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 15 Aug 2:51 pm CDT
Extended Forecast for

2 Miles SW Brooklyn IL

Extreme Heat Warning August 15, 03:04pm until August 16, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 15, 03:04pm until August 16, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 96. Heat index values as high as 109. Southwest wind 5 to 7 mph becoming northwest in the afternoon.

    High: 96 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am.  Increasing clouds, with a low around 73. Northwest wind 5 to 8 mph.

    Low: 73 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 86. North wind around 7 mph.

    High: 86 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. North wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °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

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm.  Partly sunny, with a high near 90.

    High: 90 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm.
Sunday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 96. Heat index values as high as 109. Southwest wind 5 to 7 mph becoming northwest in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am. Increasing clouds, with a low around 73. Northwest wind 5 to 8 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 86. North wind around 7 mph.
Monday Night
Mostly clear, with a low around 69. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 90.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 90.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 20%.
Thursday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 83.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Brooklyn IL
 38.64°N 90.2°W (Elev. 499 ft)
2:01 pm CDT Aug 15, 2026
3pm CDT Aug 15, 2026-6pm CDT Aug 22, 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