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

Flash Flooding Continuing Along the Gulf Coast; Dry Thunderstorms in the West

Excessive rainfall continues to produce life-threatening, locally catastrophic flash flooding along the central Gulf Coast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts Oregon, California, and the Great Basin into the weekend. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Mostly Cloudy

79°F

26°C

Humidity 45%
Wind Speed NW 9 mph
Barometer 29.97 in (1012.4 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 Jun 3:53 pm EDT
Extended Forecast for

Mountain Home TN

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 57. Northwest wind 5 to 10 mph becoming light north in the evening.

    Low: 57 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Sunday

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

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. High near 85. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    High: 85 °F

    Showers then
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 66. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 66 °F

    T-storms then
    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 57. Northwest wind 5 to 10 mph becoming light north in the evening.
Saturday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 62. Calm wind.
Sunday
Sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 40%.
Monday
Showers, with thunderstorms also possible after 11am. High near 85. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 66. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 62.
Wednesday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mountain Home TN
 36.32°N 82.37°W (Elev. 1699 ft)
Last Update:
2:26 pm EDT Jun 19, 2026
Forecast Valid:
4pm EDT Jun 19, 2026-6pm EDT Jun 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