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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

84°F

29°C

Humidity 51%
Wind Speed Vrbl 7 G 15 mph
Barometer 29.96 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 22 Aug 4:35 pm EDT
Extended Forecast for

4 Miles SSW Liberty TN

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 79. West wind around 5 mph.

    High: 79 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am. Increasing clouds, with a low around 61. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 76. West wind around 5 mph.

    High: 76 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. West wind around 5 mph becoming south after midnight.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. Calm wind becoming east around 5 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 79. West wind around 5 mph.
Tonight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am. Increasing clouds, with a low around 61. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 76. West wind around 5 mph.
Sunday Night
Mostly clear, with a low around 57. West wind around 5 mph becoming south after midnight.
Monday
Mostly sunny, with a high near 77. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 58. Calm wind becoming east around 5 mph.
Tuesday
Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 63. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Liberty TN
 36.09°N 82.65°W (Elev. 2477 ft)
Last Update:
2:26 pm EDT Aug 22, 2026
Forecast Valid:
5pm EDT Aug 22, 2026-6pm EDT Aug 29, 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