Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Partly Cloudy

94°F

34°C

Humidity 43%
Wind Speed W 10 mph
Barometer 30.14 in (1019.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 16 Aug 12:53 pm EDT
Extended Forecast for

Chattanooga TN

Heat Advisory August 16, 01:50pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 16, 01:50pm until August 17, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. West wind around 5 mph becoming calm.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Sunny and hot, with a high near 98. Heat index values as high as 110. Calm wind becoming west around 5 mph in the afternoon.

    High: 98 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. West wind around 5 mph becoming calm.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. North wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Calm wind becoming northwest around 5 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 98. Heat index values as high as 106. West wind around 5 mph.
Tonight
Mostly clear, with a low around 77. West wind around 5 mph becoming calm.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Sunny and hot, with a high near 98. Heat index values as high as 110. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 75. West wind around 5 mph becoming calm.
Tuesday
Sunny and hot, with a high near 95. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 72. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 97. Calm wind becoming northwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 95.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Chattanooga TN
 35.07°N 85.24°W (Elev. 794 ft)
1:06 pm EDT Aug 16, 2026
1pm EDT Aug 16, 2026-6pm EDT 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