National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Fair

82°F

28°C

Humidity 77%
Wind Speed Calm
Barometer 30.06 in (1016.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 4 Sep 8:53 am EDT
Extended Forecast for

Harrison TN

Heat Advisory September 4, 09:32am until September 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 09:32am until September 4, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind becoming north around 5 mph.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. Northwest wind around 5 mph becoming calm.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 96. Calm wind becoming north around 5 mph in the afternoon.

    High: 96 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Northeast wind 5 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Labor Day

    Labor Day: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 98. Heat index values as high as 109. Calm wind.
Tonight
Mostly clear, with a low around 77. Calm wind.
Saturday
A 10 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind becoming north around 5 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. Northwest wind around 5 mph becoming calm.
Sunday
Sunny and hot, with a high near 96. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 73. Northeast wind 5 to 10 mph.
Labor Day
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71.
Tuesday
Sunny and hot, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Sunny and hot, with a high near 93.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrison TN
 35.11°N 85.13°W (Elev. 797 ft)
Last Update:
7:06 am EDT Sep 4, 2026
Forecast Valid:
9am EDT Sep 4, 2026-6pm EDT Sep 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation