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

Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Fog/Mist

68°F

20°C

Humidity 96%
Wind Speed Calm
Barometer 29.89 in (1009.6 mb)
Dewpoint 67°F (19°C)
Visibility 3.00 mi
Last update 19 Jun 5:53 am EDT
Extended Forecast for

Mountain Home TN

  • Overnight

    Overnight: Showers. Low around 65. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Showers

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely, mainly before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 82. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.

    High: 84 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.

    High: 90 °F

    Hot

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 50%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 85. Breezy. Chance of precipitation is 100%.

    High: 85 °F

    Showers then
    T-storms and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 66. Chance of precipitation is 90%.

    Low: 66 °F

    T-storms then
    Showers

Detailed Forecast

Overnight
Showers. Low around 65. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Juneteenth
Showers and thunderstorms likely, mainly before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 82. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 61. Calm wind.
Sunday
Sunny and hot, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 85. Breezy. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 66. Chance of precipitation is 90%.
Tuesday
Showers likely, with thunderstorms also possible after 8am. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 62.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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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 am EDT Jun 19, 2026
Forecast Valid:
5am EDT Jun 19, 2026-6pm EDT Jun 25, 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