Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Morristown Moore-Murrell Airport (KMOR)

Lat: 36.18°NLon: 83.38°WElev: 1313ft.

Mostly Cloudy

84°F

29°C

Humidity 62%
Wind Speed SE 3 mph
Barometer NA
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 27 Aug 4:35 pm EDT
Extended Forecast for

Jefferson City TN

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between 8pm and 2am.  Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 67. Calm wind.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms after 5pm.  Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 86. Calm wind becoming north around 5 mph.

    High: 86 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 88. Northeast wind around 5 mph becoming calm.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 90.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 67. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 10 percent chance of showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 86. Calm wind becoming north around 5 mph.
Friday Night
Partly cloudy, with a low around 66. Calm wind.
Saturday
Sunny, with a high near 88. Northeast wind around 5 mph becoming calm.
Saturday Night
Partly cloudy, with a low around 68. Calm wind.
Sunday
Sunny, with a high near 89. Calm wind.
Sunday Night
Mostly clear, with a low around 69. Calm wind.
Monday
Sunny and hot, with a high near 90.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny and hot, with a high near 91.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny and hot, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson City TN
 36.11°N 83.48°W (Elev. 1276 ft)
2:26 pm EDT Aug 27, 2026
4pm EDT Aug 27, 2026-6pm EDT Sep 3, 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