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Williston, TN
 Details for Williston, TN Heat Advisory

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Heat Advisory HEAT ADVISORY - Williston, TN

NWS South Mississippi Valley Regional Radar WU Central Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 14-Sep-2026 1:45am  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 74.1, Max: 76.1, Min: 74.1 74.1°F
Colder 1.5°F than last hour.

Comfortable

Feels like: 74°F

24-hr difference
10.6°FWarmer 10.6°F than yesterday at this time.
  Today Yesterday
High: 76.1°F
12:00am 		97.9°F
3:48pm
Low: 74.1°F
1:43am 		69.1°F
6:39am
Calm WNW
0
Gust:
 0 mph
0 Bft - Calm
Today: 0 mph 12:00am
Gust Month: 17.9 mph September 06
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 0.57 in
Season Total: 31.36 in
Monday

Monday: Sunny
Sunny
Humidity & Barometer Almanac Moon
Humidity: 88 % Increased 1.0% since last hour.
Dew Point: 70.3°F Decreased 1.1°F since last hour.
Barometer: 29.97 inHg Falling 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 6:40am
Sunset: 7:06pm
Moonrise: 10:18am
Moonset: 8:47pm
Waxing Crescent
Waxing Crescent, Moon at 3 days in cycle
11%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.0 @ 12:00am
0 W/m2 (0 %)
High: 0 @  12:00am
 NWS Weather Forecast  - Outlook: Overnight & Monday
Overnight

Overnight: Patchy Fog
Patchy Fog

Lo 72 °F		 NWS forecast: Patchy fog after 3am. Mostly clear, with a low around 72. Northeast wind around 0 mph.
Davis VP+ forecast: Increasing clouds with little temperature change.
 
Monday

Monday: Sunny
Sunny

Hi 98 °F		 NWS forecast: Sunny, with a high near 98. Heat index values as high as 109. East northeast wind 0 to 5 mph.