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

Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats continue for portions of the central U.S., with impactful flash flooding possible from southern Kansas to southwestern Missouri. Extremely Critical fire weather conditions will develop across the Great Basin and Southwest on Friday, with dry and windy conditions through the weekend. Dangerous heat will increase across the southern and central U.S. this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Mostly Cloudy

83°F

28°C

Humidity 44%
Wind Speed W 7 mph
Barometer 30.08 in (1016.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 25 Jun 5:53 pm EDT
Extended Forecast for

Johnson City TN

  • Tonight

    Tonight: Mostly clear, with a low around 64. West wind around 5 mph becoming calm.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 5am. Partly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 87. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 87 °F

    Chance
    Showers then
    Showers

  • Saturday Night

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

    Low: 68 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 87. West wind around 5 mph. Chance of precipitation is 70%.

    High: 87 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 91.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 64. West wind around 5 mph becoming calm.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 5am. Partly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 87. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before 2am, then showers likely between 2am and 5am, then showers likely and possibly a thunderstorm after 5am. Low around 68. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 87. West wind around 5 mph. Chance of precipitation is 70%.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 91.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny and hot, with a high near 94.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnson City TN
 36.34°N 82.37°W (Elev. 1601 ft)
Last Update:
2:26 pm EDT Jun 25, 2026
Forecast Valid:
6pm EDT Jun 25, 2026-6pm EDT Jul 2, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation