Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Mostly Cloudy

77°F

25°C

Humidity 47%
Wind Speed SW 8 mph
Barometer 29.85 in (1008.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 16 Jun 6:53 pm EDT
Extended Forecast for

Jonesborough TN

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Southwest wind 5 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. South wind 5 to 10 mph.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Showers and possibly a thunderstorm after 2pm.  High near 87. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 90%.

    High: 87 °F

    Breezy. Sunny
    then Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 11pm, then showers between 11pm and 5am, then showers and possibly a thunderstorm after 5am.  Low around 66. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%.

    Low: 66 °F

    Showers

  • Juneteenth

    Juneteenth: Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm.  High near 79. West wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    High: 79 °F

    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm.  Partly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. Southwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 86. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 68. South wind 5 to 10 mph.
Thursday
Showers and possibly a thunderstorm after 2pm. High near 87. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm before 11pm, then showers between 11pm and 5am, then showers and possibly a thunderstorm after 5am. Low around 66. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Juneteenth
Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. High near 79. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 59.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Breezy. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Jonesborough TN
 36.3°N 82.46°W (Elev. 1801 ft)
7:06 pm EDT Jun 16, 2026
7pm EDT Jun 16, 2026-6pm EDT Jun 23, 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