Heat Advisory: 9/18/26: Minor Heat Advisory Issued, Clear Skies, Evening Temp 88, Low Tonight…

by Weather Write | Sep 18, 2026 | Weather | 0 comments

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 for Middle Tennessee until 7 PM CDT Sunday, with heat index values expected to reach up to 108°F.

Currently in Nashville, the temperature is 87.8°F with a gentle wind from the southeast at 2 mph. The sky is clear, and no precipitation has been recorded.

Earlier today, the high reached 98.1°F, with a low of 73.6°F. Winds may have gusted up to 6.3 mph, and there was only a 5% chance of precipitation throughout the day. Tonight, temperatures are expected to drop slightly to a low of 84.4°F. Winds will continue to be gentle, also reaching up to 6.3 mph.

The heat advisory highlights potential health risks due to hot temperatures and high humidity, which could result in heat-related illnesses. It is advisable to stay hydrated and avoid prolonged exposure outdoors during this period.

Today's Details

High
98°F
Low
74°F
Wind
6 mph
Humidity
50%
UV Index
6.5 (High)
Precip
5% chance · 0 in
Now
88°F · feels 93°F
Sunrise
6:32am
Sunset
6:49pm

7-Day Forecast

Day High Low Conditions
Friday 98°F 74°F Partly cloudy
Saturday 98°F 76°F Overcast
Sunday 97°F 75°F Drizzle: moderate
Monday 99°F 73°F Rain showers: slight
Tuesday 89°F 70°F Drizzle: moderate
Wednesday 84°F 69°F Partly cloudy
Thursday 81°F 62°F Overcast

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