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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

80°F

27°C

Humidity 60%
Wind Speed N 14 G 22 mph
Barometer 30.09 in (1017.9 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 Aug 8:53 am EDT
Extended Forecast for

Dunlap TN

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 107. Calm wind becoming southwest around 5 mph.

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 100. Calm wind becoming west around 5 mph. Chance of precipitation is 40%.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 91. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 91 °F

    Hot

  • Saturday Night

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

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 107. Calm wind becoming southwest around 5 mph.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 100. Calm wind becoming west around 5 mph. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 66. Calm wind.
Saturday
Sunny and hot, with a high near 91. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 65. Calm wind.
Sunday
Sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 63.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 66.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dunlap TN
 35.4°N 85.38°W (Elev. 794 ft)
Last Update:
7:16 am CDT Aug 20, 2026
Forecast Valid:
8am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation