Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Overcast

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 29 Jun 6:35 am EDT
Extended Forecast for

2 Miles ESE Limestone TN

  • Today

    Today: A chance of showers, with thunderstorms also possible after 2pm.  Areas of fog between 7am and 10am.  Otherwise, mostly sunny, with a high near 89. Calm wind becoming west around 5 mph.  Chance of precipitation is 30%.

    High: 89 °F

    Chance
    Showers and
    Areas Fog

  • Tonight

    Tonight: A slight chance of thunderstorms before 8pm.  Mostly clear, with a low around 69. Calm wind.  Chance of precipitation is 10%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 5pm.  Mostly sunny and hot, with a high near 91. Heat index values as high as 99. Calm wind.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms between 7pm and 8pm.  Mostly clear, with a low around 70. Calm wind.  Chance of precipitation is 10%.

    Low: 70 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 94. Calm wind.

    High: 94 °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 71. Calm wind.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 96. Calm wind becoming north around 5 mph.

    High: 96 °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 70.

    Low: 70 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 94.

    High: 94 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 2pm. Areas of fog between 7am and 10am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming west around 5 mph. Chance of precipitation is 30%.
Tonight
A slight chance of thunderstorms before 8pm. Mostly clear, with a low around 69. Calm wind. Chance of precipitation is 10%.
Tuesday
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 99. Calm wind.
Tuesday Night
A slight chance of showers and thunderstorms between 7pm and 8pm. Mostly clear, with a low around 70. Calm wind. Chance of precipitation is 10%.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 94. Calm wind.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96. Calm wind becoming north around 5 mph.
Thursday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 94.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 70.
Independence Day
A 40 percent chance of showers and thunderstorms. Sunny and hot, with a high near 93.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
Showers and thunderstorms likely. Mostly sunny and hot, with a high near 92. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Limestone TN
 36.2°N 82.61°W (Elev. 1401 ft)
5:21 am EDT Jun 29, 2026
6am EDT Jun 29, 2026-6pm EDT Jul 5, 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