Exceptionally Hot 4th of July: Heat Advisory, Heat Index to 105°. Also, Rain Friday, Nicer Weekend.

Happy 4th of July!

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The United States of America is turning 242 years old today (no… not 2018 years old…)

[Editor’s Note: that’s The Intern’s joke. I would have led with: “We’re celebrating our 242nd birthday with a heat index of 242°.” You decide which joke is better.]

NWS says we are in the middle of a heat wave.

A Heat Advisory has been issued for Williamson and Davidson Counties between 11 AM and 8 PM today.

More from NWS Nashville:

The combination of heat and humidity will lead to an increased risk of heat-related stress and illness. The very young, the elderly, those without air conditioning, and those participating in strenuous outdoor activities will be the most susceptible. Also, car interiors can reach lethal temperatures in a matter of minutes.

The daytime high temperature is expected to reach 97º this afternoon. 97°.

NWS Nashville has updated their Special Weather Statement yesterday highlighting the heat:

Keep an eye on the radar today as a few isolated showers and storms will be possible, however not likely. High-pressure in the Ohio River Valley will suppress much of the development.

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Fireworks Forecast: Temperatures in the mid to upper 80s with scattered storms dying off. You’ll be pretty unlucky to see a storm drift by.

The below seems obvious, but in case you’re from waaaaay north:

Rain Friday, Weekend Improvement

Rain and storms are expected Friday. A cold front will end the heat wave and drop in heroically from the northwest. That front will arrive while our PWAT (precipitable water values) are near 2 inches. A washout Friday is possible.

This could pose an issue with locally heavy rainfall.

This front will eventually stall out and slowly meander its way into northern Alabama, shutting off the steady-heavy rain Friday in time for the weekend.

Temperatures will decrease a bit with the rain. In fact, this weekend, humidity will drop and our high temps should linger closer to 90° than 95°.

Get updates by clicking @NashSevereWx. Happy 4th!