Home Weather 7/20/25: Severe Weather Alert—Thunderstorms Expected Today

7/20/25: Severe Weather Alert—Thunderstorms Expected Today

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Lightning weather conditions for local forecast
WEATHER ALERTS

Heat Advisory

Heat Advisory issued July 20 at 10:47AM CDT until July 21 at 8:00PM CDT by NWS Nashville TN

* WHAT…Heat index values up to 108 expected.

* WHERE…A portion of Middle Tennessee

* WHEN…From 11 AM to 8 PM CDT Monday.

* 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.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

Alert in effect from July 20, 2025 3:47 PM until July 21, 2025 12:00 AM

Weather Alerts

Severe weather conditions are currently being monitored in Cannon County, TN. Residents should stay tuned for updates and remain weather aware. A Heat Advisory is in effect until 8 PM CDT, with heat index values expected to reach up to 108°F. Please take precautions to stay safe.

Current Weather: Severe Weather Conditions

It’s currently 1:45 PM in Cannon County, TN, with severe weather. The temperature is 86°F, with a humidity level of 70% making it feel warmer outside. Winds are calm, which means there is little relief from the heat. The atmosphere is thick with humidity, contributing to uncomfortable conditions.

Weather Changes Coming

Although the current weather remains stable, expect the temperature to rise, reaching a high of 92°F later today. With high humidity, the heat index will make it feel significantly hotter, so plan your outdoor activities accordingly. If venturing outdoors, dress in lightweight clothing to help manage the effects of the severe weather.

Tonight’s Forecast

As we move into the evening, temperatures will drop to a low of 73°F. Even though the heat will ease, high humidity levels will persist, making it feel muggy. After dark, conditions will remain warm, so continue to take care and stay hydrated.

View real-time weather conditions on our interactive radar map

Cannon County, TN
July 20, 2025

86°
H:92°
L:73°

wind icon
Wind
5 mph WSW

humidity icon
Humidity
70%

bolt icon
Conditions
severe weather

24-Hour Forecast

This Afternoon
cloud-rain icon
92°
|
73°
Chance Showers And Thunderstorms

Monday
sun icon
92°
|
72°
Mostly Sunny then Chance Showers And Thunderstorms

Tuesday
fog icon
91°
|
72°
Patchy Fog

Wednesday
sun icon
92°
|
72°
Sunny then Slight Chance Showers And Thunderstorms

Thursday
sun icon
91°
|
72°
Sunny then Slight Chance Showers And Thunderstorms

Friday
sun icon
91°
|
73°
Sunny then Chance Showers And Thunderstorms

Saturday
cloud-rain icon
90°
|
72°
Chance Showers And Thunderstorms

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