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

94°F

34°C

Humidity 60%
Wind Speed SW 8 mph
Barometer 29.83 in (1009.3 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index110°F (43°C)
Last update 28 Jul 1:53 pm CDT
Extended Forecast for

Somerville TN

Extreme Heat Warning July 28, 02:50pm until July 28, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 28, 02:50pm until July 28, 08:00pm

    NOW until 8:00pm Tue

    Extreme Heat Warning

  • This Afternoon

    High: 99 °F

    Hot

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 77. Calm wind.

    Low: 77 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.

    High: 91 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. North northeast wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68. North northeast wind around 5 mph becoming calm.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 90. Calm wind.

    High: 90 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 73. Calm wind becoming south southwest around 5 mph after midnight. Chance of precipitation is 60%.

    Low: 73 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 99. Heat index values as high as 112. West wind 5 to 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 77. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 69. North northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 90. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 68. North northeast wind around 5 mph becoming calm.
Friday
Partly sunny, with a high near 90. Calm wind.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 73. Calm wind becoming south southwest around 5 mph after midnight. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 69.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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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:
1:26 pm CDT Jul 28, 2026
Forecast Valid:
2pm CDT Jul 28, 2026-6pm CDT Aug 3, 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