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Heavy Rain in the Southern Appalachians; Fire Weather and Heat in the West; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding today. Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin and northern Rockies today and Thursday. Hot to extremely hot temperatures are in place through today across parts of the western U.S. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Thunderstorm Light Rain

72°F

22°C

Humidity 97%
Wind Speed S 3 mph
Barometer 30.04 in (1014.5 mb)
Dewpoint 71°F (22°C)
Visibility 1.75 mi
Last update 13 Aug 7:53 am EDT
Extended Forecast for

3 Miles NNW Jonesborough TN

Flood Watch until August 13, 08:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until August 13, 08:00pm

    NOW until 8:00pm Wed

    Flood Watch

  • Today

    High: 83 °F

    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 5am. Increasing clouds, with a low around 68. Calm wind. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. Calm wind becoming northwest around 5 mph.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 66.

    Low: 66 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Today
Showers and thunderstorms. High near 83. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 5am. Increasing clouds, with a low around 68. Calm wind. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 50 percent chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 67. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. Calm wind becoming northwest around 5 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 66.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89.
Sunday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 67.
Monday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 90.
Monday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Jonesborough TN
 36.33°N 82.51°W (Elev. 1696 ft)
Last Update:
8:31 am EDT Aug 13, 2025
Forecast Valid:
8am EDT Aug 13, 2025-6pm EDT Aug 19, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation