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.

Fair

61°F

16°C

Humidity 77%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 22 Mar 3:55 am EDT
Extended Forecast for

4 Miles W Erwin TN

  • Overnight

    Overnight: A 20 percent chance of showers.  Partly cloudy, with a low around 57. Southwest wind around 5 mph.

    Low: 57 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 77. West wind around 5 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 5am.  Increasing clouds, with a low around 54. West wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Mostly Clear
    then Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before 8am.  Cloudy through mid morning, then gradual clearing, with a high near 61. North wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 61 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. North wind around 5 mph.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61. South wind around 5 mph.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41. South wind around 5 mph.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers.  Partly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers. Partly cloudy, with a low around 57. Southwest wind around 5 mph.
Sunday
Sunny, with a high near 77. West wind around 5 mph, with gusts as high as 20 mph.
Sunday Night
A 30 percent chance of showers after 5am. Increasing clouds, with a low around 54. West wind 5 to 10 mph, with gusts as high as 25 mph.
Monday
A 30 percent chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 61. North wind 5 to 10 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 38. North wind around 5 mph.
Tuesday
Partly sunny, with a high near 61. South wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 41. South wind around 5 mph.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 64.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 50.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 73.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 66.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 39.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Erwin TN
 36.15°N 82.47°W (Elev. 2133 ft)
2:26 am EDT Mar 22, 2026
4am EDT Mar 22, 2026-6pm EDT Mar 28, 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