Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Mostly Cloudy

82°F

28°C

Humidity 69%
Wind Speed SW 9 mph
Barometer 29.82 in (1006.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 28 Jul 12:53 pm EDT
Extended Forecast for

Johnson City TN

Severe T-storm Watch July 28, 01:26pm until July 28, 08:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch July 28, 01:26pm until July 28, 08:00pm

    NOW until 8:00pm Tue

    Severe T-storm Watch

  • This Afternoon

    High: 84 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 10pm.  Low around 67. West wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. North wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Light north wind becoming northwest 5 to 10 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 85. Calm wind becoming northwest around 5 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. Steady temperature around 84. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before 10pm. Low around 67. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 83. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 59. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 82. Light north wind becoming northwest 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 85. Calm wind becoming northwest around 5 mph.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Johnson City TN
 36.32°N 82.37°W (Elev. 1699 ft)
1:21 pm EDT Jul 28, 2026
1pm EDT Jul 28, 2026-6pm EDT Aug 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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