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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Fair

34°F

1°C

Humidity 97%
Wind Speed Calm
Barometer 30.48 in (1031.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 18 Oct 5:53 am EDT
Extended Forecast for

Mountain Home TN

  • Today

    Today: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 66. Calm wind becoming east around 5 mph.

    High: 66 °F

    Frost then
    Sunny

  • Tonight

    Tonight: Clear, with a low around 36. East wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Clear

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 69. Calm wind.

    High: 69 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 38. Calm wind.

    Low: 38 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. Calm wind becoming north around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 40. North wind around 5 mph becoming calm.

    Low: 40 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. Calm wind becoming northwest around 5 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 66. Calm wind becoming east around 5 mph.
Tonight
Clear, with a low around 36. East wind around 5 mph becoming calm in the evening.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 69. Calm wind.
Monday Night
Clear, with a low around 38. Calm wind.
Tuesday
Sunny, with a high near 72. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 40. North wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 72. Calm wind becoming northwest around 5 mph.
Wednesday Night
Clear, with a low around 40.
Thursday
Sunny, with a high near 70.
Thursday Night
Clear, with a low around 40.
Friday
Sunny, with a high near 71.
Friday Night
Clear, with a low around 41.
Saturday
Sunny, with a high near 71.
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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 am EDT Oct 18, 2026
Forecast Valid:
6am EDT Oct 18, 2026-6pm EDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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