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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

91°F

33°C

Humidity 41%
Wind Speed Vrbl 6 mph
Barometer 30.03 in (1016.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 28 Aug 2:53 pm EDT
Extended Forecast for

Dunlap TN

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 89. Heat index values as high as 97. Calm wind.

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind.

    High: 91 °F

    Hot

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 69. Calm wind.

    Low: 69 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 90. Calm wind becoming south around 5 mph.

    High: 90 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 91. Calm wind.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 93.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 89. Heat index values as high as 97. Calm wind.
Tonight
Mostly clear, with a low around 65. Calm wind.
Saturday
Sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind.
Saturday Night
Increasing clouds, with a low around 69. Calm wind.
Sunday
Mostly sunny and hot, with a high near 90. Calm wind becoming south around 5 mph.
Sunday Night
Partly cloudy, with a low around 69. Calm wind.
Monday
Sunny and hot, with a high near 91. Calm wind.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dunlap TN
 35.37°N 85.38°W (Elev. 801 ft)
Last Update:
1:31 pm CDT Aug 28, 2026
Forecast Valid:
2pm CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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