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 across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. 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.

Partly Cloudy

81°F

27°C

Humidity 79%
Wind Speed Calm
Barometer 30.11 in (1016.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 1 Jul 8:53 pm EDT
Extended Forecast for

3 Miles W Unicoi TN

Heat Advisory July 1, 08:57pm until July 3, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 1, 08:57pm until July 3, 09:00pm

    NOW until 9:00pm Fri

    Heat Advisory

  • Tonight

    Low: 70 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny and hot, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.

    High: 91 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. Southeast wind around 5 mph becoming calm.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 91. Calm wind becoming north around 5 mph.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 69. Southeast wind around 5 mph.

    Low: 69 °F

    Chance
    T-storms then
    Mostly Clear

  • Independence Day

    Independence Day: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 90. Southeast wind around 5 mph becoming calm.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 88.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 70. Southwest wind around 5 mph becoming calm.
Thursday
Sunny and hot, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 70. Southeast wind around 5 mph becoming calm.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 91. Calm wind becoming north around 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 69. Southeast wind around 5 mph.
Independence Day
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 90. Southeast wind around 5 mph becoming calm.
Saturday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69. Calm wind.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88.
Sunday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69.
Monday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms. High near 83. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms. Low around 68. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Unicoi TN
 36.19°N 82.41°W (Elev. 2736 ft)
7:07 pm EDT Jul 1, 2026
8pm EDT Jul 1, 2026-6pm EDT Jul 8, 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