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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Watauga County Hospital Heliport (KTNB)

Lat: 36.2°NLon: 81.65°WElev: 3146ft.

Fair

65°F

18°C

Humidity 50%
Wind Speed NW 10 G 17 mph
Barometer 30.00 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 Mar 1:35 pm EDT
Extended Forecast for

3 Miles ESE Mountain City TN

  • This Afternoon

    This Afternoon: Areas of smoke. Mostly cloudy, with a high near 70. West wind around 5 mph.

    High: 70 °F

    Areas Smoke

  • Tonight

    Tonight: A slight chance of showers between 7pm and 8pm. Areas of smoke before 1am. Partly cloudy, with a low around 54. West wind around 5 mph becoming calm. Chance of precipitation is 10%.

    Low: 54 °F

    Slight Chance
    Showers then
    Areas Smoke

  • Sunday

    Sunday: Mostly sunny, with a high near 77. West wind around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 53. West wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before 8am. Partly sunny, with a high near 60. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 60 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. Northwest wind around 5 mph becoming calm after midnight.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 8am. Partly sunny, with a high near 57.

    High: 57 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Areas of smoke. Mostly cloudy, with a high near 70. West wind around 5 mph.
Tonight
A slight chance of showers between 7pm and 8pm. Areas of smoke before 1am. Partly cloudy, with a low around 54. West wind around 5 mph becoming calm. Chance of precipitation is 10%.
Sunday
Mostly sunny, with a high near 77. West wind around 5 mph.
Sunday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 53. West wind 5 to 10 mph, with gusts as high as 25 mph.
Monday
A 30 percent chance of showers, mainly before 8am. Partly sunny, with a high near 60. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 33. Northwest wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 57. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 38.
Wednesday
A 30 percent chance of showers, mainly after 8am. Partly sunny, with a high near 57.
Wednesday Night
A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 43.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 67.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Mountain City TN
 36.45°N 81.74°W (Elev. 2995 ft)
Last Update:
1:06 pm EDT Mar 21, 2026
Forecast Valid:
1pm EDT Mar 21, 2026-6pm EDT Mar 27, 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