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9/20/26: Minor Heat Advisory in Effect – Mainly Clear with High 96 and Low 73; Heat Index Up to 108

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Heat Advisory

* WHAT…Heat index values up to 108.

* WHERE…Across Middle Tennessee.

* WHEN…Until 7 PM CDT Sunday.

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

From 2026-09-20T03:42:00+00:00 · until 2026-09-21T00:00:00+00:00 · Source: NWS Nashville TN

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

Current conditions at 1:50 PM show a temperature of 94.1°F with a light wind from the east at 2.7 mph. There has been no recorded precipitation. The weather is mainly clear, contributing to the hot afternoon temperatures.

The forecast indicates a high of 95.5°F for today, with a low of 72.1°F expected tonight. Winds may increase throughout the afternoon, reaching up to 7.6 mph. There is a 10% chance of precipitation later in the day. As night falls, temperatures will drop to around 80.6°F, with winds easing to a maximum of 4.7 mph.

The ongoing Minor Heat Advisory warns that heat index values could rise to 108°F, which poses risks of heat-related illnesses, especially with the combination of high temperatures and humidity. Please take precautions to stay hydrated and cool.

Today's Details

High
96°F
Low
72°F
Wind
8 mph
Humidity
37%
UV Index
6.2 (High)
Precip
10% chance · 0 in
Now
94°F · feels 99°F
Sunrise
6:30am
Sunset
6:43pm

7-Day Forecast

Day High Low Conditions
Sunday 96°F 72°F Overcast
Monday 98°F 73°F Overcast
Tuesday 87°F 69°F Thunderstorm: slight or moderate
Wednesday 83°F 65°F Overcast
Thursday 82°F 60°F Overcast
Friday 80°F 57°F Overcast
Saturday 78°F 50°F Overcast

Next 24 Hours

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