Isolated Severe Thunderstorms and Critical Fire Weather Tuesday

Isolated severe thunderstorms with strong wind gusts and hail will be possible Tuesday from parts of central Plains northeastward into the Midwest. Additional storms capable of damaging winds will be possible across the eastern Florida peninsula. Elevated to critical fire weather including gusty winds and low relative humidity is forecast again Tuesday over much of the northern Great Plains. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

A Few Clouds

41°F

5°C

Humidity 100%
Wind Speed NE 3 mph
Barometer 30.20 in (1021.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 12 May 2:53 am EDT
Extended Forecast for

Mountain Home TN

  • Overnight

    Overnight: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Calm wind becoming west around 5 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Calm wind becoming south around 5 mph after midnight.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 75. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 75 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am.  Partly cloudy, with a low around 47. West wind 5 to 10 mph becoming light northwest  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    Low: 47 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 66. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Calm wind.
Tuesday
Sunny, with a high near 76. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly clear, with a low around 52. Calm wind becoming south around 5 mph after midnight.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75. West wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 47. West wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 66. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 44. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 55.
Saturday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Sunday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountain Home TN
 36.32°N 82.34°W (Elev. 1696 ft)
2:26 am EDT May 12, 2026
3am EDT May 12, 2026-6pm EDT May 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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