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

Hazardous Weather Conditions

Current conditions at

Jackson, McKellar-Sipes Regional Airport (KMKL)

Lat: 35.59°NLon: 88.92°WElev: 433ft.

Fair

77°F

25°C

Humidity 88%
Wind Speed Calm
Barometer 30.00 in (1015.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 18 Aug 12:53 am CDT
Extended Forecast for

Somerville TN

Heat Advisory August 18, 01:12am until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 01:12am until August 19, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • Overnight

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Monday Night

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

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. Calm wind becoming north around 5 mph in the afternoon.

    High: 94 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. North wind around 5 mph becoming calm.

    Low: 70 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind becoming north around 5 mph in the morning.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 74. Calm wind.
Monday
Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind becoming north northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 74. Calm wind.
Tuesday
Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind becoming north northeast around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 73. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. North wind around 5 mph becoming calm.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind becoming north around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Somerville TN
 35.24°N 89.36°W (Elev. 390 ft)
Last Update:
12:45 am CDT Aug 18, 2025
Forecast Valid:
1am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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