Nashville/ Weather & Environment

Nashville Heat Advisory Through Sunday With Triple-Digit Heat

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Published on August 14, 2026
Nashville Heat Advisory Through Sunday With Triple-Digit HeatSource: Google Street View

Nashville is waking up to clear skies and temperatures near 79 degrees on Friday, but the relatively calm morning is only the opening act. The city is headed for a high near 101 degrees, with heat-index values reaching as high as 112, as a dangerous stretch of summer heat settles over Middle Tennessee.

Heat Builds Fast Friday

Mostly sunny skies will send temperatures through the 90s by midday and near 100 during the afternoon. West winds around 5 to 10 mph may offer a little movement in the air, but not much relief from the heat.

A Heat Advisory remains in effect through 7 p.m. Sunday, with the National Weather Service in Nashville warning that hot temperatures and high humidity could cause heat illness. Friday night will stay warm, with a low around 77 degrees.

Saturday And Sunday Look Even Hotter

Saturday is forecast to be sunny with a high near 102 and heat-index values as high as 113. Sunday could be the hottest day of the stretch, reaching about 103 degrees under mostly sunny skies.

Rain chances remain very low around Nashville through the weekend, so outdoor plans are unlikely to get a washout. The bigger concern will be prolonged exposure to heat, especially during the afternoon when pavement, playgrounds and unshaded event spaces will be at their most punishing.

Some Storm Chances Arrive Monday

A chance of showers and thunderstorms returns after 1 p.m. Monday, but the forecast still calls for a high near 100 degrees. Storms could bring brief heavy rain and gusty winds, so anyone planning outdoor work or events should keep an eye on updates.

Tuesday offers a modest dip to around 95 degrees after a weak front moves through, though the break will be temporary. Temperatures are expected to rebound near 99 Wednesday and 98 Thursday, with slight storm chances returning late Wednesday and Thursday.

Heat Safety Takes Priority

Drink plenty of water, use air conditioning whenever possible and move strenuous activities to early morning or evening. Wear lightweight clothing, take frequent breaks in the shade and check on older neighbors or anyone without reliable cooling.

Never leave children or pets in a parked vehicle, even for a short errand. Confusion, fainting, severe headache, nausea or unusual weakness can signal a dangerous heat illness and should be treated as an emergency.