Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Fog/Mist

69°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.82 in (1006.9 mb)
Dewpoint 69°F (21°C)
Visibility 6.00 mi
Last update 28 Jul 11:53 pm EDT
Extended Forecast for

4 Miles WSW Roan Mountain TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 60. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 73. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 73 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. North wind around 5 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. Northwest wind around 5 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 52. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 77. Calm wind becoming west around 5 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. Calm wind becoming southeast around 5 mph after midnight.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 76.

    High: 76 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 62. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 60. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 73. Northwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 52. North wind around 5 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 72. Northwest wind around 5 mph.
Thursday Night
Clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 77. Calm wind becoming west around 5 mph.
Friday Night
Partly cloudy, with a low around 60. Calm wind becoming southeast around 5 mph after midnight.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 76.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Sunday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 76. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Roan Mountain TN
 36.17°N 82.14°W (Elev. 3593 ft)
7:51 pm EDT Jul 28, 2026
12am EDT Jul 29, 2026-6pm EDT Aug 4, 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