Home Weather 9/18/26: Minor Heat Advisory Issued – Clear Skies, High of 97, Low...

9/18/26: Minor Heat Advisory Issued – Clear Skies, High of 97, Low of 71; Heat Index Up to 108 Expected

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Heat Advisory

* WHAT…Heat index values up to 108 expected.

* WHERE…Across Middle Tennessee.

* WHEN…Until 7 PM CDT Sunday.

* IMPACTS…Hot temperatures and high humidity may cause heat illnesses.

From 2026-09-18T02:51:00+00:00 · until 2026-09-21T00:00:00+00:00 · Source: NWS Nashville TN

A Minor Heat Advisory is in effect across Middle Tennessee from now until 7 PM CDT Sunday. Heat index values could reach up to 108°F during this time.

Currently in Cannon County at 5:45 AM, the temperature stands at 71.8°F with a light wind from the south at 3.4 mph. Conditions are clear, and no precipitation has been recorded.

Today, expect a high of 97°F with wind gusts expected to reach up to 6.9 mph. The chance of precipitation is low at 8%, and skies will remain mainly clear throughout the day. Tonight, temperatures will drop to a low of 82.4°F, with winds decreasing to 5.4 mph and a continued 8% chance of precipitation.

Residents should stay hydrated and take precautions to avoid heat-related illnesses given the high temperatures and humidity levels predicted for today.

Today's Details

High
97°F
Low
72°F
Wind
7 mph
Humidity
87%
UV Index
6.6 (High)
Precip
8% chance · 0 in
Now
72°F · feels 77°F
Sunrise
6:29am
Sunset
6:46pm

7-Day Forecast

Day High Low Conditions
Friday 97°F 72°F Mainly clear
Saturday 98°F 75°F Overcast
Sunday 94°F 72°F Overcast
Monday 93°F 69°F Rain showers: moderate
Tuesday 89°F 68°F Thunderstorm: slight or moderate
Wednesday 80°F 62°F Overcast
Thursday 78°F 59°F Overcast

Next 24 Hours

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