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 >

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

A Few Clouds

70°F

21°C

Humidity 35%
Wind Speed SW 8 G 18 mph
Barometer 29.97 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 20 Mar 4:55 pm EDT
Extended Forecast for

Sams Gap NC

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 50. West wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 50 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: A slight chance of thunderstorms after 5pm. Partly sunny, with a high near 65. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.

    High: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 52. West wind around 5 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 73. West wind around 5 mph, with gusts as high as 20 mph.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 51. West wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 51 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 2pm. Partly sunny, with a high near 58. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 58 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 32. North wind around 5 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 50. West wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday
A slight chance of thunderstorms after 5pm. Partly sunny, with a high near 65. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.
Saturday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 52. West wind around 5 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 73. West wind around 5 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 51. West wind 5 to 15 mph, with gusts as high as 30 mph.
Monday
A 20 percent chance of showers before 2pm. Partly sunny, with a high near 58. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 32. North wind around 5 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 37.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
A 30 percent chance of showers. Mostly clear, with a low around 45.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sams Gap NC
 35.95°N 82.58°W (Elev. 3996 ft)
Last Update:
2:26 pm EDT Mar 20, 2026
Forecast Valid:
5pm EDT Mar 20, 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