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 Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

A Few Clouds

90°F

32°C

Humidity 67%
Wind Speed SE 12 mph
Barometer 30.05 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 14 Aug 1:50 pm CDT
Extended Forecast for

Brighton IL

Heat Advisory August 14, 02:10pm until August 16, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 14, 02:10pm until August 16, 09:00pm

    NOW until 9:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 75. South wind around 6 mph.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 9am and 10am.  Mostly sunny, with a high near 96. Heat index values as high as 103. Southwest wind 5 to 8 mph.  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 74. West wind around 5 mph becoming light and variable.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 93. Northwest wind 6 to 8 mph.

    High: 93 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms before 3pm. Mostly sunny, with a high near 92. Heat index values as high as 105. South wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 75. South wind around 6 mph.
Saturday
A slight chance of showers and thunderstorms between 9am and 10am. Mostly sunny, with a high near 96. Heat index values as high as 103. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 74. West wind around 5 mph becoming light and variable.
Sunday
Partly sunny, with a high near 93. Northwest wind 6 to 8 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Brighton IL
 39.04°N 90.13°W (Elev. 650 ft)
1:41 pm CDT Aug 14, 2026
2pm 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