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

Extremely critical fire weather conditions are expected to develop across the Great Basin and Southwest today, and exceptionally dry and windy conditions will promote rapid wildfire spread through the weekend. Scattered severe thunderstorms and heavy rain are possible across parts of the Ozark Plateau into lower Ohio Valley and parts of the northern Rockies into adjacent Great Plains. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Light Rain Fog/Mist

70°F

21°C

Humidity 97%
Wind Speed SW 5 mph
Barometer 30.04 in (1015.0 mb)
Dewpoint 69°F (21°C)
Visibility 2.00 mi
Last update 28 Jun 4:53 am EDT
Extended Forecast for

Johnson City TN

Flood Watch June 28, 05:07am until June 28, 11:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 28, 05:07am until June 28, 11:00am

    NOW until 11:00am Sun

    Flood Watch

  • Overnight

    Low: 68 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm.  High near 82. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 69. West wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind becoming northwest around 5 mph.  Chance of precipitation is 20%.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 94. Calm wind becoming northwest around 5 mph.

    High: 94 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 96.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 82. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind becoming northwest around 5 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 70. Calm wind.
Tuesday
Sunny and hot, with a high near 94. Calm wind becoming northwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 70. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 97.
Thursday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Friday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Independence Day
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Johnson City TN
 36.32°N 82.37°W (Elev. 1699 ft)
2:26 am EDT Jun 28, 2026
5am EDT Jun 28, 2026-6pm EDT Jul 4, 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