Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Hazardous Weather Conditions

Current conditions at

Bristol / Johnson / Kingsport, Tri-City Regional Airport (KTRI)

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Partly Cloudy

70°F

21°C

Humidity 97%
Wind Speed E 3 mph
Barometer 29.81 in (1006.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 28 Jul 10:53 pm EDT
Extended Forecast for

Mountain Home TN

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Northwest wind around 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. North wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming north around 5 mph in the morning.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. North wind around 5 mph becoming calm.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming northwest around 5 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66. Calm wind becoming southeast around 5 mph after midnight.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 84.

    High: 84 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 67. Northwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 81. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 59. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 80. Calm wind becoming north around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 58. North wind around 5 mph becoming calm.
Friday
Sunny, with a high near 84. Calm wind becoming northwest around 5 mph.
Friday Night
Partly cloudy, with a low around 66. Calm wind becoming southeast around 5 mph after midnight.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Sunday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountain Home TN
 36.3°N 82.37°W (Elev. 1900 ft)
7:51 pm EDT Jul 28, 2026
11pm EDT Jul 28, 2026-6pm EDT Aug 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database