Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Morristown Moore-Murrell Airport (KMOR)

Lat: 36.18°NLon: 83.38°WElev: 1313ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Heat Index82°F (28°C)
Last update 26 Aug 8:15 pm EDT
Extended Forecast for

Mooresburg TN

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm.  Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 89. Heat index values as high as 96. Calm wind becoming southwest around 5 mph.

    High: 89 °F

    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A 10 percent chance of showers before 7am.  Areas of fog before 10am.  Otherwise, mostly sunny, with a high near 88. Calm wind.

    High: 88 °F

    Slight Chance
    Showers and
    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Sunday

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

    High: 90 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 66. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Heat index values as high as 96. Calm wind becoming southwest around 5 mph.
Thursday Night
A chance of showers and thunderstorms. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 10 percent chance of showers before 7am. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 88. Calm wind.
Friday Night
Partly cloudy, with a low around 65. Calm wind.
Saturday
Sunny and hot, with a high near 90. Calm wind.
Saturday Night
Mostly clear, with a low around 65. Calm wind.
Sunday
Sunny and hot, with a high near 90.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny and hot, with a high near 92.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Sunny and hot, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Mooresburg TN
 36.36°N 83.23°W (Elev. 1145 ft)
7:06 pm EDT Aug 26, 2026
8pm EDT Aug 26, 2026-6pm EDT Sep 2, 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