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

Watauga County Hospital Heliport (KTNB)

Lat: 36.2°NLon: 81.65°WElev: 3146ft.

82°F

28°C

Humidity 57%
Wind Speed NA
Barometer 30.28 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 1 Jul 11:15 am EDT
Extended Forecast for

2 Miles SSE Mountain City TN

Heat Advisory July 1, 11:22am until July 3, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 1, 11:22am until July 3, 09:00pm

    NOW until 9:00pm Fri

    Heat Advisory

  • Today

    High: 93 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 95. Calm wind becoming north around 5 mph.

    High: 95 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 95. Calm wind becoming east around 5 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Independence Day

    Independence Day: A 30 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 94. Calm wind becoming south around 5 mph.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Partly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 93. Calm wind becoming north around 5 mph.
Tonight
Mostly clear, with a low around 68. Calm wind.
Thursday
Sunny and hot, with a high near 95. Calm wind becoming north around 5 mph.
Thursday Night
Mostly clear, with a low around 69. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Calm wind becoming east around 5 mph.
Friday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 68. Calm wind.
Independence Day
A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 94. Calm wind becoming south around 5 mph.
Saturday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny and hot, with a high near 91. Chance of precipitation is 50%.
Sunday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 67.
Monday
Showers and thunderstorms. High near 87. Chance of precipitation is 80%.
Monday Night
Showers and thunderstorms. Low around 67. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Mountain City TN
 36.43°N 81.77°W (Elev. 2618 ft)
7:06 am EDT Jul 1, 2026
11am EDT Jul 1, 2026-6pm EDT Jul 7, 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