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

Hazardous Weather Conditions

Current conditions at

Jackson, McKellar-Sipes Regional Airport (KMKL)

Lat: 35.59°NLon: 88.92°WElev: 433ft.

Fair

74°F

23°C

Humidity 97%
Wind Speed Calm
Barometer 30.11 in (1018.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 15 Aug 1:53 am CDT
Extended Forecast for

Somerville TN

Extreme Heat Warning August 15, 02:34am until August 16, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 15, 02:34am until August 16, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Overnight

    Low: 76 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Heat index values as high as 107. West southwest wind around 5 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Calm wind becoming southwest around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. Heat index values as high as 110. West southwest wind around 5 mph.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. Calm wind becoming west southwest around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 98. Calm wind becoming northwest around 5 mph in the morning.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. North wind around 5 mph becoming calm.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Calm wind becoming west northwest around 5 mph.

    High: 96 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 76. Calm wind.
Saturday
Sunny and hot, with a high near 99. Heat index values as high as 107. West southwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 77. Calm wind becoming southwest around 5 mph.
Sunday
Sunny and hot, with a high near 100. Heat index values as high as 110. West southwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 78. Calm wind becoming west southwest around 5 mph.
Monday
Sunny and hot, with a high near 98. Calm wind becoming northwest around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 73. North wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 96. Calm wind becoming west northwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Thursday Night
Partly cloudy, with a low around 70.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville TN
 35.24°N 89.36°W (Elev. 390 ft)
Last Update:
2:06 am CDT Aug 15, 2026
Forecast Valid:
2am CDT Aug 15, 2026-6pm CDT Aug 21, 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