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

64°F

18°C

Humidity 43%
Wind Speed SW 6 mph
Barometer 29.97 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 20 Mar 8:55 pm EDT
Extended Forecast for

4 Miles SE Tusculum TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 74. Southwest wind 5 to 10 mph.

    High: 74 °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 56. Calm wind becoming south around 5 mph.  Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 82. West wind 5 to 10 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 2am.  Partly cloudy, with a low around 58. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 58 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 2pm.  Partly sunny, with a high near 66. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. North wind around 5 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 2am.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 74. Southwest wind 5 to 10 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 56. Calm wind becoming south around 5 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 82. West wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 58. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Monday
A 20 percent chance of showers before 2pm. Partly sunny, with a high near 66. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 38. North wind around 5 mph.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 43.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 50.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Tusculum TN
 36.14°N 82.7°W (Elev. 1493 ft)
7:06 pm EDT Mar 20, 2026
9pm 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