Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Mostly Cloudy

81°F

27°C

Humidity 65%
Wind Speed Calm
Barometer 30.05 in (1015.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 21 Aug 2:53 pm EDT
Extended Forecast for

5 Miles SSE Fall Branch TN

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 5pm.  Mostly sunny, with a high near 83. South wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 9pm.  Low around 64. Southwest wind around 5 mph becoming calm.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.

    High: 83 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 1am.  Partly cloudy, with a low around 62. Southwest wind around 5 mph.  Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 80. West wind 5 to 10 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. West wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 83. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before 9pm. Low around 64. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 1am. Partly cloudy, with a low around 62. Southwest wind around 5 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 80. West wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 56. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Fall Branch TN
 36.36°N 82.59°W (Elev. 1841 ft)
2:26 pm EDT Aug 21, 2026
3pm EDT Aug 21, 2026-6pm EDT Aug 27, 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