Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Morristown Moore-Murrell Airport (KMOR)

Lat: 36.18°NLon: 83.38°WElev: 1313ft.

Fair

79°F

26°C

Humidity 84%
Wind Speed Calm
Barometer NA
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 4 Sep 11:35 pm EDT
Extended Forecast for

4 Miles W Morristown TN

Heat Advisory September 4, 11:58pm until September 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 11:58pm until September 5, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 93. Heat index values as high as 100. Calm wind becoming northwest around 5 mph.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly between 10pm and 1am.  Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 89. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 89 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 67. Northeast wind around 5 mph.

    Low: 67 °F

    Chance
    Showers then
    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 87. East wind around 5 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. East wind around 5 mph becoming calm  after midnight.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 72. Calm wind.
Saturday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 100. Calm wind becoming northwest around 5 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly between 10pm and 1am. Partly cloudy, with a low around 70. Calm wind.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 89. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Northeast wind around 5 mph.
Labor Day
Mostly sunny, with a high near 87. East wind around 5 mph.
Monday Night
Partly cloudy, with a low around 66. East wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 90.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Morristown TN
 36.21°N 83.36°W (Elev. 1401 ft)
7:06 pm EDT Sep 4, 2026
11pm EDT Sep 4, 2026-6pm EDT Sep 11, 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