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Hazardous Weather Conditions

Current conditions at

Memphis International Airport (KMEM)

Lat: 35.06°NLon: 89.99°WElev: 253ft.

A Few Clouds

96°F

36°C

Humidity 34%
Wind Speed Vrbl 3 mph
Barometer 30.17 in (1021.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 17 Sep 4:54 pm CDT
Extended Forecast for

Williston TN

Heat Advisory September 17, 05:38pm until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 05:38pm until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind.

    High: 99 °F

    Hot

  • Friday Night

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

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Heat index values as high as 103. Calm wind becoming west around 5 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Calm wind becoming west around 5 mph.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Calm wind becoming west around 5 mph in the afternoon.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 73. Calm wind.
Friday
Sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind.
Friday Night
Mostly clear, with a low around 74. Calm wind.
Saturday
Sunny and hot, with a high near 99. Heat index values as high as 103. Calm wind becoming west around 5 mph.
Saturday Night
Mostly clear, with a low around 72. Calm wind.
Sunday
Sunny and hot, with a high near 99. Calm wind becoming west around 5 mph.
Sunday Night
Mostly clear, with a low around 73. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williston TN
 35.17°N 89.36°W (Elev. 499 ft)
Last Update:
3:06 pm CDT Sep 17, 2026
Forecast Valid:
5pm CDT Sep 17, 2026-6pm CDT Sep 24, 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