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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Morristown Moore-Murrell Airport (KMOR)

Lat: 36.18°NLon: 83.38°WElev: 1313ft.

Fair

82°F

28°C

Humidity 62%
Wind Speed NW 5 mph
Barometer 30.04 in
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Heat Index85°F (29°C)
Last update 20 Aug 1:35 pm EDT
Extended Forecast for

3 Miles SE Jefferson City TN

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 89. Heat index values as high as 95. West wind around 5 mph.

    High: 89 °F

    Partly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 69. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of thunderstorms, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. West wind around 5 mph becoming calm.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 89. Heat index values as high as 95. West wind around 5 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 69. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of thunderstorms, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 66. West wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Jefferson City TN
 36.08°N 83.43°W (Elev. 1273 ft)
Last Update:
1:06 pm EDT Aug 20, 2026
Forecast Valid:
1pm EDT Aug 20, 2026-6pm EDT Aug 26, 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