Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. 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 83%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 27 Jul 2:35 am EDT
Extended Forecast for

2 Miles ENE Morristown TN

  • Overnight

    Overnight: Partly cloudy, with a low around 74. Southwest wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm.  Patchy fog before 8am.  Otherwise, mostly sunny and hot, with a high near 92. Heat index values as high as 96. Calm wind becoming west around 5 mph in the afternoon.

    High: 92 °F

    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm.  Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny and hot, with a high near 92. Heat index values as high as 99. Calm wind.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm.  Patchy fog before 9am.  Otherwise, mostly sunny and hot, with a high near 95. Calm wind.

    High: 95 °F

    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 74. Southwest wind around 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 92. Heat index values as high as 96. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 72. Calm wind.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 99. Calm wind.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny and hot, with a high near 95. Calm wind.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. Calm wind.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 95.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny and hot, with a high near 91. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Morristown TN
 36.23°N 83.27°W (Elev. 1299 ft)
1:52 am EDT Jul 27, 2025
2am EDT Jul 27, 2025-6pm EDT Aug 2, 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