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9/18/26: Minor Heat Advisory – Mainly Clear and 97, High of 98.1, Heat Index Up to 108 Expected Through Sunday

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1
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

Minor Heat Advisory is in effect until 7 PM CDT Sunday for Cannon County.

At 1:50 PM, the temperature is 97°F with a light wind from the east-northeast at 5.9 mph. There is no precipitation recorded, and the skies are mainly clear. Today’s forecasted high is 98.1°F, while the low is expected to drop to 72.3°F.

Looking ahead to tonight, the temperature will remain warm with a low of 81.3°F and winds calming to around 4.2 mph. The chance of precipitation remains low at 8%, and clear skies are expected to continue throughout the evening.

The active Minor Heat Advisory warns of heat index values reaching up to 108°F across Middle Tennessee, highlighting the risk of heat-related illnesses due to high temperatures and humidity. Please take precautions if you are spending time outdoors.

Today's Details

High
98°F
Low
72°F
Wind
7 mph
Humidity
36%
UV Index
6.6 (High)
Precip
8% chance · 0 in
Now
97°F · feels 101°F
Sunrise
6:29am
Sunset
6:46pm

7-Day Forecast

Day High Low Conditions
Friday 98°F 72°F Fog
Saturday 98°F 74°F Overcast
Sunday 89°F 70°F Drizzle: light
Monday 92°F 70°F Rain showers: moderate
Tuesday 89°F 69°F Drizzle: dense
Wednesday 87°F 64°F Overcast
Thursday 82°F 61°F Overcast

Next 24 Hours

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