National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Partly Cloudy

72°F

22°C

Humidity 73%
Wind Speed SW 7 mph
Barometer 29.82 in (1006.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 Jun 4:53 am EDT
Extended Forecast for

4 Miles NNW Jonesborough TN

  • Today

    Today: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 88. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Breezy.
    Chance
    Showers then
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms. Low around 66. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    T-storms then
    Showers

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.

    High: 87 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 8am. High near 81. Breezy. Chance of precipitation is 100%.

    High: 81 °F

    Showers and
    Breezy

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 88. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms. Low around 66. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Monday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 81. Breezy. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 63. Chance of precipitation is 80%.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Tuesday Night
A slight chance of thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 10%.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Jonesborough TN
 36.35°N 82.51°W (Elev. 1601 ft)
Last Update:
2:26 am EDT Jun 18, 2026
Forecast Valid:
4am EDT Jun 18, 2026-6pm EDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation