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.

Light Rain

81°F

27°C

Humidity 72%
Wind Speed NW 3 mph
Barometer 30.00 in (1013.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 21 Aug 6:53 pm EDT
Extended Forecast for

Fall Branch TN

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 8pm.  Partly cloudy, with a low around 65. West wind around 5 mph becoming calm.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    T-storms
    Likely then
    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am.  Partly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 82. Light west wind increasing to 5 to 10 mph in the afternoon.

    High: 82 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. West wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 2am.  Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 65. West wind around 5 mph becoming calm. Chance of precipitation is 60%. 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 86. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Partly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 82. Light west wind increasing to 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 57. West wind around 5 mph becoming calm.
Monday
Sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 58. Calm wind.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 62.
Wednesday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Fall Branch TN
 36.43°N 82.64°W (Elev. 1302 ft)
7:06 pm EDT Aug 21, 2026
7pm EDT Aug 21, 2026-6pm EDT Aug 28, 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