Home Weather 8/16/26: Severe Extreme Heat Warning with Clear Skies and 99° – High...

8/16/26: Severe Extreme Heat Warning with Clear Skies and 99° – High of 100.2°, Low of 74.1°, Wind up to 9.8 mph

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Heat Advisory

* WHAT…Dangerously hot conditions with heat index values up to 111.

* WHERE…A portion of Middle Tennessee.

* WHEN…For the Extreme Heat Warning, until 7 PM CDT this evening. For the Heat Advisory, from 7 PM this evening to 7 PM CDT Monday.

* IMPACTS…Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

From 2026-08-17T00:00:00+00:00 · until 2026-08-18T00:00:00+00:00 · Source: NWS Nashville TN
Extreme Heat Warning

* WHAT…Dangerously hot conditions with heat index values up to 111.

* WHERE…A portion of Middle Tennessee.

* WHEN…For the Extreme Heat Warning, until 7 PM CDT this evening. For the Heat Advisory, from 7 PM this evening to 7 PM CDT Monday.

* IMPACTS…Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

From 2026-08-16T15:19:00+00:00 · until 2026-08-17T00:00:00+00:00 · Source: NWS Nashville TN

Severe Extreme Heat Warning is in effect until 7 PM CDT this evening for Sumner County, Tennessee.

At 1:51 PM, the temperature in Sumner County is 99°F with a light wind from the southeast at 3.7 mph. The skies are clear, and there has been no precipitation so far today.

Today’s forecast indicates a high of 100.2°F and a low of 74.1°F. Winds may increase to 9.8 mph later in the day. There is a low precipitation chance of 2%, with no accumulation expected.

Tonight, temperatures will drop to a low of 86°F under partly cloudy skies. Winds remain consistent, potentially reaching 9.8 mph. The precipitation chance continues to be minimal at 2%.

The Severe Extreme Heat Warning warns of dangerously hot conditions with heat index values soaring up to 111°F. This warning is in effect until 7 PM CDT. Additionally, a Heat Advisory will be in place from 7 PM this evening through 7 PM CDT Monday, emphasizing the increased risk of heat-related illnesses during this period.

Today's Details

High
100°F
Low
74°F
Wind
10 mph
Humidity
38%
UV Index
7.5 (High)
Precip
2% chance · 0 in
Now
99°F · feels 107°F
Sunrise
6:05am
Sunset
7:35pm

7-Day Forecast

Day High Low Conditions
Sunday 100°F 74°F Overcast
Monday 97°F 78°F Overcast
Tuesday 92°F 73°F Clear sky
Wednesday 96°F 72°F Drizzle: light
Thursday 96°F 73°F Rain showers: slight
Friday 90°F 72°F Thunderstorm: slight or moderate
Saturday 89°F 70°F Drizzle: dense

Next 24 Hours

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