Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Watauga County Hospital Heliport (KTNB)

Lat: 36.2°NLon: 81.65°WElev: 3146ft.

73°F

23°C

Humidity 48%
Wind Speed NA
Barometer 30.12 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 23 Aug 12:55 pm EDT
Extended Forecast for

5 Miles SW Mountain City TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. West wind around 10 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. West wind around 5 mph becoming calm.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 72. West wind around 10 mph.
Tonight
Mostly clear, with a low around 54. West wind around 5 mph becoming calm.
Monday
Sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 53. Calm wind.
Tuesday
Sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 57. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 61.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 60. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Mountain City TN
 36.42°N 81.89°W (Elev. 3343 ft)
1:06 pm EDT Aug 23, 2026
1pm EDT Aug 23, 2026-6pm EDT Aug 29, 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