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

Jackson, McKellar-Sipes Regional Airport (KMKL)

Lat: 35.59°NLon: 88.92°WElev: 433ft.

A Few Clouds

76°F

24°C

Humidity 94%
Wind Speed S 5 mph
Barometer 30.09 in (1018.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 28 Jun 5:53 am CDT
Extended Forecast for

Mercer TN

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 89. West southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 88 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    Showers

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 71. Calm wind.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. Calm wind.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 89. West southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 69. Calm wind.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 20%.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 70.
Independence Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer TN
 35.48°N 89.04°W (Elev. 338 ft)
Last Update:
3:45 am CDT Jun 28, 2025
Forecast Valid:
6am CDT Jun 28, 2025-6pm CDT Jul 4, 2025
 
Forecast Discussion
 
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Additional Resources

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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