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.

67°F

19°C

Humidity 100%
Wind Speed NA
Barometer 30.28 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 1 Jul 7:55 am EDT
Extended Forecast for

Roan Mountain TN

Heat Advisory July 1, 08:11am until July 3, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 1, 08:11am until July 3, 09:00pm

    NOW until 9:00pm Fri

    Heat Advisory

  • Today

    High: 87 °F

    Sunny

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 89. Calm wind becoming northeast around 5 mph.

    High: 89 °F

    Sunny

  • 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 90. Calm wind becoming east around 5 mph.

    High: 90 °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 67. Calm wind.

    Low: 67 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Independence Day

    Independence Day: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 88. Calm wind.

    High: 88 °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 67.

    Low: 67 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 87. Calm wind.
Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Calm wind.
Thursday
Sunny, with a high near 89. Calm wind becoming northeast 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 90. 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 67. Calm wind.
Independence Day
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88. Calm wind.
Saturday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 67.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Sunny, with a high near 86. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 60%.
Monday
Showers and thunderstorms. High near 83. Chance of precipitation is 80%.
Monday Night
Showers and thunderstorms. Low around 65. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms. High near 81. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
Roan Mountain TN
 36.16°N 82.08°W (Elev. 2920 ft)
7:06 am EDT Jul 1, 2026
8am 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