7/17/25: Severe Weather ALERT – Thunderstorms Possible Today

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Lightning weather conditions for local forecast
WEATHER ALERTS

Heat Advisory

Heat Advisory issued July 17 at 11:21AM 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…Until 7 PM CDT this evening.

* 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 17, 2025 4:21 PM until July 18, 2025 12:00 AM

Weather Alerts

A Heat Advisory remains in effect for Sumner County, TN, as of July 17 at 11:21 AM CDT, and will continue until 7:00 PM CDT. The National Weather Service warns that heat index values could reach up to 107°F. Residents are advised to drink plenty of fluids, stay in cool environments, and check on neighbors.

Severe Weather Conditions

It’s currently 6:15 PM in Sumner County, TN, where severe weather is present. The temperature is 93°F, with a high expected to reach 96°F and a low of 75°F during the night. Humidity levels are currently unknown, but with the heat index, it feels significantly warmer. Winds are calm, contributing to a stagnant and sultry atmosphere.

Weather Changes Coming

As the evening progresses, the oppressive heat may linger, making conditions feel uncomfortable. Although calm winds are present now, any increase in humidity will further enhance the heat index. Therefore, it will feel hotter as the sun sets.

Tonight’s Forecast

Overnight, temperatures will drop to around 75°F, providing slight relief from the daytime heat. However, the lingering humidity will keep conditions feeling muggy. As you head outside, expect warm and humid weather, continuing to pose a risk for heat-related illnesses.

Interactive Radar Map

Sumner County, TN
July 17, 2025

93°
H:96°
L:75°

wind icon
Wind
5 mph SSW

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Humidity
N/A%

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Conditions
severe weather

24-Hour Forecast

This Afternoon
cloud-rain icon
96°
|
75°
Chance Showers And Thunderstorms

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

Saturday
cloud-rain icon
92°
|
75°
Showers And Thunderstorms Likely

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

Monday
cloud-rain icon
95°
|
75°
Chance Showers And Thunderstorms

Tuesday
cloud-rain icon
97°
|
76°
Chance Showers And Thunderstorms

Wednesday
sun icon
96°
|
76°
Mostly Sunny then Chance Showers And Thunderstorms

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