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.

Mostly Cloudy

63°F

17°C

Humidity 49%
Wind Speed SW 6 mph
Barometer 29.96 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Mar 11:15 pm EDT
Extended Forecast for

3 Miles SSW Surgoinsville TN

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 53. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 75. Southwest wind around 5 mph.

    High: 75 °F

    Partly Sunny

  • 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 53. Calm wind.  Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Mostly Clear
    then Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before 8am.  Partly sunny, with a high near 67. North wind around 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. North wind around 5 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 2am.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
A 10 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 53. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 75. Southwest wind around 5 mph.
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 53. Calm wind. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of showers, mainly before 8am. Partly sunny, with a high near 67. North wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 36. North wind around 5 mph.
Tuesday
Partly sunny, with a high near 66.
Tuesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 42.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 50.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Surgoinsville TN
 36.43°N 82.89°W (Elev. 1171 ft)
7:06 pm EDT Mar 20, 2026
11pm EDT Mar 20, 2026-6pm EDT Mar 27, 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