National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Morristown Moore-Murrell Airport (KMOR)

Lat: 36.18°NLon: 83.38°WElev: 1313ft.

Fair

86°F

30°C

Humidity 62%
Wind Speed N 5 mph
Barometer 30.01 in
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Heat Index92°F (33°C)
Last update 4 Aug 3:35 pm EDT
Extended Forecast for

3 Miles S Thorn Hill TN

  • This Afternoon

    This Afternoon: Mostly sunny and hot, with a high near 90. Heat index values as high as 97. Calm wind.

    High: 90 °F

    Hot

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 86. Heat index values as high as 95. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 86. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.

    High: 86 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Calm wind becoming southwest around 5 mph.

    High: 86 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    Showers then
    T-storms
    Likely

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 90. Heat index values as high as 97. Calm wind.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 69. Calm wind.
Wednesday
A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 86. Heat index values as high as 95. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 69. Calm wind.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 86. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Calm wind becoming southwest around 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Sunday Night
A chance of thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Thorn Hill TN
 36.31°N 83.43°W (Elev. 1102 ft)
Last Update:
2:26 pm EDT Aug 4, 2026
Forecast Valid:
3pm EDT Aug 4, 2026-6pm EDT Aug 10, 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