Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Fog/Mist

70°F

21°C

Humidity 97%
Wind Speed S 5 mph
Barometer 30.04 in (1014.8 mb)
Dewpoint 69°F (21°C)
Visibility 6.00 mi
Last update 28 Jun 6:53 am EDT
Extended Forecast for

3 Miles W Walnut Hill TN

Flood Watch June 28, 07:30am until June 28, 11:00am
Click here for hazard details and duration
...
  •  
    Flood Watch June 28, 07:30am until June 28, 11:00am

    NOW until 11:00am Sun

    Flood Watch

  • Today

    High: 80 °F

    Showers then
    Showers
    Likely

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am.  Partly cloudy, with a low around 69. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming northwest around 5 mph.

    High: 88 °F

    Partly 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 91. Calm wind.

    High: 91 °F

    Hot

  • Tuesday Night

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

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93. Calm wind.

    High: 93 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 80. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Partly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming northwest around 5 mph.
Monday Night
Mostly clear, with a low around 70. Calm wind.
Tuesday
Sunny and hot, with a high near 91. Calm wind.
Tuesday Night
Mostly clear, with a low around 70. Calm wind.
Wednesday
Sunny and hot, with a high near 93. Calm wind.
Wednesday Night
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 94.
Thursday Night
A 20 percent chance of showers and thunderstorms before 2am. Mostly clear, with a low around 71.
Friday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.
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 92.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Walnut Hill TN
 36.59°N 82.31°W (Elev. 1834 ft)
7:06 am EDT Jun 28, 2026
7am EDT Jun 28, 2026-6pm EDT Jul 4, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database