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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. 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

82°F

28°C

Humidity 60%
Wind Speed SW 6 mph
Barometer 30.03 in (1014.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 20 Aug 6:53 pm EDT
Extended Forecast for

Tri-Cities Airport TN

  • Tonight

    Tonight: Showers and thunderstorms likely before 5am, then a slight chance of showers. Increasing clouds, with a low around 66. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 86 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 86. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 86 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 62. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 83. Light west wind increasing to 5 to 10 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Monday Night

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

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 5am, then a slight chance of showers. Increasing clouds, with a low around 66. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 64. Calm wind.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 86. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 62. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 83. 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 in the evening.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Tri-Cities Airport TN
 36.48°N 82.41°W (Elev. 1499 ft)
Last Update:
7:06 pm EDT Aug 20, 2026
Forecast Valid:
7pm EDT Aug 20, 2026-6pm EDT Aug 27, 2026
 
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