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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 >

Current conditions at

Watauga County Hospital Heliport (KTNB)

Lat: 36.2°NLon: 81.65°WElev: 3146ft.

69°F

21°C

Humidity 67%
Wind Speed NA
Barometer 29.95 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 Jun 10:35 pm EDT
Extended Forecast for

4 Miles SSW Mountain City TN

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 88. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Slight Chance
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, then showers after 2am. Low around 65. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers

  • Juneteenth

    Juneteenth: Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm. Partly sunny, with a high near 82. Light west wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • 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 84. Light northwest wind increasing to 5 to 10 mph in the afternoon.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. Calm wind.
Thursday
Showers and thunderstorms, mainly before 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 88. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely, then showers after 2am. Low around 65. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm. Partly sunny, with a high near 82. Light west wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%.
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 84. Light northwest wind increasing to 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 60. Calm wind.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 50%.
Monday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 83. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms likely. Mostly sunny, with a high near 82. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Mountain City TN
 36.41°N 81.83°W (Elev. 2297 ft)
Last Update:
7:06 pm EDT Jun 17, 2026
Forecast Valid:
10pm EDT Jun 17, 2026-6pm EDT Jun 24, 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