Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Partly Cloudy

63°F

17°C

Humidity 84%
Wind Speed Calm
Barometer 29.92 in (1010.9 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 Jun 7:53 am EDT
Extended Forecast for

2 Miles SW Mountain Home TN

  • Today

    Today: Sunny, with a high near 86. Light southwest wind becoming west 5 to 10 mph in the morning.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 69. South wind 5 to 10 mph.

    Low: 69 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm.  High near 87. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Breezy.
    Mostly Sunny
    then T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 2am, then showers between 2am and 5am, then showers and possibly a thunderstorm after 5am.  Low around 68. Southwest wind 5 to 10 mph becoming light  in the evening.  Chance of precipitation is 80%.

    Low: 68 °F

    T-storms
    Likely then
    Showers

  • Juneteenth

    Juneteenth: Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm.  High near 81. West wind 5 to 10 mph.  Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83. Light north wind becoming northwest 5 to 10 mph in the afternoon.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 86. Light southwest wind becoming west 5 to 10 mph in the morning.
Tonight
Increasing clouds, with a low around 69. South wind 5 to 10 mph.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 87. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 2am, then showers between 2am and 5am, then showers and possibly a thunderstorm after 5am. Low around 68. Southwest wind 5 to 10 mph becoming light in the evening. Chance of precipitation is 80%.
Juneteenth
Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 81. West wind 5 to 10 mph. Chance of precipitation is 80%.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 83. Light north wind becoming northwest 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 62.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Monday
Showers and possibly a thunderstorm. High near 85. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 83. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Mountain Home TN
 36.3°N 82.37°W (Elev. 1900 ft)
7:06 am EDT Jun 17, 2026
8am EDT Jun 17, 2026-6pm EDT Jun 23, 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