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

86°F

30°C

Humidity 70%
Wind Speed SW 8 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 27 Jun 4:53 pm CDT
Extended Forecast for

Mercer TN

Extreme Heat Watch June 29, 11:00am until July 2, 08:00pm
Heat Advisory June 28, 11:00am until June 29, 11:00am
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. South southwest wind 5 to 10 mph.

    Low: 76 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 94. Heat index values as high as 106. Southwest wind 5 to 10 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. South southwest wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Heat index values as high as 110. Southwest wind around 5 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 75. Calm wind.

    Low: 75 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97. Calm wind.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 76. Calm wind.

    Low: 76 °F

    Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Calm wind becoming southeast around 5 mph.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. South southwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 94. Heat index values as high as 106. Southwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 75. South southwest wind around 5 mph.
Monday
Sunny and hot, with a high near 97. Heat index values as high as 110. Southwest wind around 5 mph.
Monday Night
Clear, with a low around 75. Calm wind.
Tuesday
Sunny and hot, with a high near 97. Calm wind.
Tuesday Night
Clear, with a low around 76. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Calm wind becoming southeast around 5 mph.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 76.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 76.
Independence Day
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer TN
 35.48°N 89.04°W (Elev. 338 ft)
Last Update:
3:05 pm CDT Jun 27, 2026
Forecast Valid:
5pm CDT Jun 27, 2026-6pm CDT Jul 4, 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