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

79°F

26°C

Humidity 85%
Wind Speed Calm
Barometer 29.97 in (1014.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 5 Sep 7:53 am CDT
Extended Forecast for

Somerville TN

Heat Advisory September 5, 08:23am until September 6, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 5, 08:23am until September 6, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Today

    High: 100 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Heat index values as high as 107. Light north wind becoming north northeast 5 to 10 mph in the afternoon.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. North northeast wind 5 to 10 mph becoming light east northeast after midnight.

    Low: 68 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 96. Northeast wind 5 to 10 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 70. Northeast wind around 5 mph becoming east southeast after midnight.

    Low: 70 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97. South southeast wind 5 to 10 mph.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. South southeast wind around 5 mph.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 3pm and 4pm. Sunny and hot, with a high near 100. Heat index values as high as 110. Calm wind becoming north northeast around 5 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 74. Calm wind.
Sunday
Sunny and hot, with a high near 99. Heat index values as high as 107. Light north wind becoming north northeast 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 68. North northeast wind 5 to 10 mph becoming light east northeast after midnight.
Labor Day
Sunny, with a high near 96. Northeast wind 5 to 10 mph.
Monday Night
Clear, with a low around 70. Northeast wind around 5 mph becoming east southeast after midnight.
Tuesday
Sunny and hot, with a high near 97. South southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 73. South southeast wind around 5 mph.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Somerville TN
 35.24°N 89.36°W (Elev. 390 ft)
Last Update:
6:15 am CDT Sep 5, 2026
Forecast Valid:
8am CDT Sep 5, 2026-6pm CDT Sep 11, 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