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

Heavy Rainfall Threat for Portions of Mid-Atlantic and Northeast; Heat Linger for Southeast and Expands for the West

Moisture and nearby frontal boundary will focus more showers and thunderstorms for portions of the Mid-Atlantic and Northeast today. Rainfall could be locally heavy resulting instances of flash flooding. Meanwhile, the heat lingers for areas of the Southeast and expands across the Western U.S. the next several days. Between these areas, severe thunderstorms possible for the Plains and Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Thunderstorm

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 30.02 in (1014.3 mb)
Dewpoint 70°F (21°C)
Visibility 3.00 mi
Last update 6 Jul 6:53 pm EDT
Extended Forecast for

Mountain Home TN

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm.

    Low: 69 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers after 5am. Partly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%.

    High: 87 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Partly cloudy, with a low around 69. West wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 87. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 87 °F

    Chance
    Showers then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Partly cloudy, with a low around 69. Southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 69 °F

    T-storms
    Likely

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 8am. High near 85. Chance of precipitation is 80%.

    High: 85 °F

    Showers
    Likely then
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 69. Chance of precipitation is 80%.

    Low: 69 °F

    T-storms then
    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers after 5am. Partly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Wednesday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Partly cloudy, with a low around 69. West wind around 5 mph becoming calm. Chance of precipitation is 60%.
Thursday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 87. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Partly cloudy, with a low around 69. Southwest wind around 5 mph. Chance of precipitation is 60%.
Friday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 85. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm. Low around 69. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 90%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Monday
A 30 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)
Last Update:
7:16 pm EDT Jul 6, 2026
Forecast Valid:
7pm EDT Jul 6, 2026-6pm EDT Jul 13, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation