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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Partly Cloudy

39°F

4°C

Humidity 30%
Wind Speed SW 7 mph
Barometer 30.29 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 18 Mar 11:35 am EDT
Extended Forecast for

5 Miles S Fall Branch TN

  • Today

    Today: Partly sunny, with a high near 45. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 45 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 57. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 57 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49. Southwest wind around 5 mph.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 70. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 45. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 31. Calm wind.
Thursday
Mostly cloudy, with a high near 57. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 40. Calm wind.
Friday
Partly sunny, with a high near 66. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 49. Southwest wind around 5 mph.
Saturday
Mostly cloudy, with a high near 70. West wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 75.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 50.
Monday
A 20 percent chance of showers. Mostly cloudy, with a high near 62.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 39.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Fall Branch TN
 36.34°N 82.62°W (Elev. 1804 ft)
Last Update:
7:06 am EDT Mar 18, 2026
Forecast Valid:
11am EDT Mar 18, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation