Dangerous Heat Expands; Heavy Rainfall Threats; Fire Weather Concerns for the West

The heat will increase and expand across the Central Plains, Mississippi Valley, Southeast and into the Eastern U.S. through the week as high pressure builds across the eastern two-thirds of the country. On the northern periphery of this heat, the threat for severe thunderstorms and heavy rainfall across the northern Plains and upper Midwest through Tuesday. Critical Fire Weather for the west. Read More >

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Fair

81°F

27°C

Humidity 79%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 21 Jul 7:15 pm EDT
Extended Forecast for

2 Miles SE Liberty TN

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight.  Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 87. Calm wind.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am.  Mostly clear, with a low around 68. Calm wind becoming southeast around 5 mph.  Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 88. Southeast wind around 5 mph.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. Southeast wind around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 90. Calm wind becoming southeast around 5 mph.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 69. Calm wind becoming southeast around 5 mph.

    Low: 69 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 87. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly clear, with a low around 68. Calm wind becoming southeast around 5 mph. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Southeast wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 66. Southeast wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 90. Calm wind becoming southeast around 5 mph.
Thursday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 69. Calm wind becoming southeast around 5 mph.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 70.
Saturday
A chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 87. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 70. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Liberty TN
 36.13°N 82.59°W (Elev. 1667 ft)
7:07 pm EDT Jul 21, 2025
7pm EDT Jul 21, 2025-6pm EDT Jul 28, 2025
 
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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