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

99°F

37°C

Humidity 38%
Wind Speed E 3 mph
Barometer 29.92 in (1012.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 4 Sep 4:53 pm CDT
Extended Forecast for

Lexington TN

Heat Advisory September 4, 05:48pm until September 6, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 05:48pm until September 6, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 99 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly clear, with a low around 74. Calm wind. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming north northwest around 5 mph.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98. Light north wind increasing to 5 to 10 mph in the afternoon.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. Northeast wind 5 to 10 mph.

    Low: 68 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 93. Northeast wind around 5 mph.

    High: 93 °F

    Sunny

  • Monday Night

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

    Low: 70 °F

    Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind.
Tonight
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly clear, with a low around 74. Calm wind. Chance of precipitation is 20%.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming north northwest around 5 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73. Calm wind.
Sunday
Sunny and hot, with a high near 98. Light north wind increasing to 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 68. Northeast wind 5 to 10 mph.
Labor Day
Sunny, with a high near 93. Northeast wind around 5 mph.
Monday Night
Clear, with a low around 70. East northeast wind around 5 mph becoming southeast after midnight.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Clear, with a low around 71.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 70.
Friday
A 20 percent chance of showers. Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lexington TN
 35.66°N 88.4°W (Elev. 509 ft)
Last Update:
3:05 pm CDT Sep 4, 2026
Forecast Valid:
5pm CDT Sep 4, 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