Heavy Rainfall Along the Central Gulf Coast; Thunderstorms from the Plains to the Central Appalachians; Heat Across the East

A system in the Gulf could produce heavy rainfall and flash flooding for portions of the north-central Gulf Coast into Saturday. Widespread showers and thunderstorms are likely this afternoon into Friday from Central Plains into the mid-Mississippi Valley, Ohio Valley and Central Appalachians. Dangerous heat is expected from the Lower Mississippi Valley to the Mid-Atlantic today. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Partly Cloudy

85°F

29°C

Humidity 68%
Wind Speed W 7 mph
Barometer 30.11 in (1016.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 17 Jul 2:53 pm EDT
Extended Forecast for

Walnut Hill TN

Flood Watch July 17, 03:33pm until July 18, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 17, 03:33pm until July 18, 12:00am

    NOW until 12:00am Fri

    Flood Watch

  • This Afternoon

    High: 83 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a slight chance of showers after 5am.  Partly cloudy, with a low around 70. Calm wind.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms, mainly after 2pm.  High near 87. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 5am, then a chance of showers.  Mostly cloudy, with a low around 70. Calm wind.  Chance of precipitation is 60%.

    Low: 70 °F

    T-storms
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 83. Light southwest wind increasing to 5 to 10 mph in the morning.  Chance of precipitation is 80%.

    High: 83 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am.  Low around 70. Southwest wind around 5 mph.  Chance of precipitation is 80%.

    Low: 70 °F

    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, then showers and thunderstorms likely after 11am.  Mostly cloudy, with a high near 85. West wind around 5 mph.  Chance of precipitation is 70%.

    High: 85 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    T-storms
    Likely

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Partly sunny, with a steady temperature around 83. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before midnight, then a slight chance of showers after 5am. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms, mainly after 2pm. High near 87. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.
Saturday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 83. Light southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Low around 70. Southwest wind around 5 mph. Chance of precipitation is 80%.
Sunday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 85. West wind around 5 mph. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Monday
A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut Hill TN
 36.56°N 82.29°W (Elev. 1762 ft)
2:12 pm EDT Jul 17, 2025
3pm EDT Jul 17, 2025-6pm EDT Jul 23, 2025
 
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Additional Resources

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