7/16/25: SEVERE WEATHER ALERT – Afternoon Storms and Heat Index 109

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Lightning weather conditions for local forecast
WEATHER ALERTS

Heat Advisory

Heat Advisory issued July 16 at 11:30AM CDT until July 17 at 7:00PM CDT by NWS Nashville TN

* WHAT…Heat index values up to 107 expected.

* WHERE…A portion of Middle Tennessee.

* WHEN…From noon to 7 PM CDT Thursday.

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

SAFETY INSTRUCTIONS

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Alert in effect from July 16, 2025 4:30 PM until July 17, 2025 5:00 AM

Weather Alerts

Severe weather conditions are being monitored in Sumner County, TN. A Heat Advisory is in effect until July 17 at 7:00 PM CDT, with heat index values expected to reach up to 107°F. It’s vital to stay hydrated and check on neighbors during this period.

Severe Weather Conditions

It’s currently 6:15 PM in Sumner County, TN, with temperatures at 88°F and severe weather in effect. The high today reached 96°F, while the low was 76°F. Humidity levels are at 75%, making it feel hotter outside. Winds are calm, which means no cooling breezes are expected. The sky may be mostly clear, but the oppressive heat and high humidity create uncomfortable conditions.

Weather Changes Coming

Temperatures will remain high into the evening, and the humidity will continue to make the air feel heavier. Because of this, the heat index will stay elevated, leading to a risk of heat-related illnesses. So, please take precautions if you’re outdoors.

Overnight and Tomorrow

As we move into the overnight hours, temperatures will gradually drop, but not significantly. Expect a low temperature around 76°F. Tomorrow, the heat will return with temperatures likely reaching the mid-90s once again. Stay prepared for another hot and humid day, and remember to stay vigilant about hydrating and seeking shade.

Interactive Radar Map

Sumner County, TN
July 16, 2025

88°
H:96°
L:76°

wind icon
Wind
5 mph SSW

humidity icon
Humidity
75%

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Conditions
severe weather

24-Hour Forecast

Thursday
cloud-rain icon
96°
|
76°
Chance Showers And Thunderstorms

Friday
cloud-rain icon
93°
|
75°
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely

Saturday
cloud-rain icon
95°
|
76°
Chance Showers And Thunderstorms

Sunday
cloud-rain icon
94°
|
75°
Chance Showers And Thunderstorms

Monday
cloud-rain icon
96°
|
76°
Chance Showers And Thunderstorms

Tuesday
cloud-rain icon
98°
|
77°
Chance Showers And Thunderstorms

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