Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

A Few Clouds

83°F

28°C

Humidity 70%
Wind Speed Calm
Barometer 30.20 in (1019.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 30 Jun 10:53 am EDT
Extended Forecast for

2 Miles NW Roan Mountain TN

Heat Advisory until July 2, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 2, 09:00pm

    NOW until 9:00pm Thu

    Heat Advisory

  • Today

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm.  Sunny, with a high near 87. Calm wind becoming north around 5 mph.  Chance of precipitation is 20%.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 89. Calm wind becoming northeast around 5 mph.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 89. Calm wind becoming north around 5 mph.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly clear, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 84. Calm wind becoming northwest around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 67. Calm wind.
Wednesday
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 87. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 68. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. Calm wind becoming northeast around 5 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 68. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. Calm wind becoming north around 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 67.
Independence Day
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 86.
Saturday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 66.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 84. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 65. Chance of precipitation is 60%.
Monday
Showers and thunderstorms. High near 82. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Roan Mountain TN
 36.21°N 82.11°W (Elev. 2697 ft)
11:30 am EDT Jun 30, 2026
11am EDT Jun 30, 2026-6pm EDT Jul 6, 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