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

Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Fair

77°F

25°C

Humidity 79%
Wind Speed Vrbl 5 mph
Barometer 30.09 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 12 Jul 5:15 pm EDT
Extended Forecast for

Chuckey TN

Flood Watch July 12, 05:28pm until July 13, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 12, 05:28pm until July 13, 02:00am

    NOW until 2:00am Mon

    Flood Watch

  • This Afternoon

    High: 79 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 79. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 63. Northeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. East wind around 5 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. East wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 85. Calm wind.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Mostly cloudy, with a high near 79. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm.
Monday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 79. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 63. Northeast wind around 5 mph. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 83. East wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 63. East wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 85. Calm wind.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 66.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.
Thursday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 67.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chuckey TN
 36.25°N 82.69°W (Elev. 1677 ft)
Last Update:
3:11 pm EDT Jul 12, 2026
Forecast Valid:
5pm EDT Jul 12, 2026-6pm EDT Jul 19, 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