Additional Severe Weather Concerns for the Center of the Nation; Heat Builds for the West; Critical Fire Weather for Alaska

Active hazardous weather continues for the center of the nation with more severe thunderstorms and heavy rainfall today. Heat will linger across the southern Plains, then expand westward early in the week. The combination of heat and dry conditions will fuel fire weather concerns for the Four Corners region and across interior Alaska. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

A Few Clouds

81°F

27°C

Humidity 45%
Wind Speed Calm
Barometer 30.01 in (1013.8 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 21 Jun 11:53 am EDT
Extended Forecast for

Mountain Home TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. West wind around 5 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 68. Calm wind becoming south around 5 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  High near 86. West wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Slight Chance
    T-storms then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am.  Low around 66. West wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%.

    Low: 66 °F

    T-storms then
    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 80. West wind 5 to 10 mph.  Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before 8pm.  Partly cloudy, with a low around 60. North wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 10%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming north around 5 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 88. West wind around 5 mph.
Tonight
Mostly clear, with a low around 68. Calm wind becoming south around 5 mph.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 86. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 66. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. West wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 60. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Wednesday
Sunny, with a high near 84. Calm wind becoming north around 5 mph.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86.
Thursday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountain Home TN
 36.3°N 82.37°W (Elev. 1900 ft)
7:06 am EDT Jun 21, 2026
12pm EDT Jun 21, 2026-6pm EDT Jun 27, 2026
 
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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