Approaching 90 Degrees

Saturday, October 10, 2026 · 6:24 PM

Cover art for Approaching 90 Degrees

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Remnants of Isaias are bringing widespread rain and gusty winds to Middle Tennessee. Wind gusts up to fifty miles per hour are possible in higher elevations through the afternoon.
Additional rainfall up to one point zero inches is possible through Sunday. Flooding rains are no longer expected.
Warm, dry weather is forecast next week with temperatures well above-normal most days.

Got the low-level jet pumpin' fifty knots at one thousand feet
Post-tropical Isaias is making a slow retreat, yeah!
West of the Cumberland Plateau, forty miles per hour breeze
I'm standing in the mix, baby, doing just as I please

Deformation axis dropping light to moderate rain
Gradient is relaxing, taking away the pain
The atmosphere is squashed, no severe threat in sight
I'm taking over Tennessee tonight! Ow!

Yeah, Isaias is moving out, baby, the sky is clear and free! 
A shortwave ridge is rollin' in to heat up you and me! 
We're blowin' past the normal, yeah, you feel that summer breeze!
Oh, mid-week is comin' hot, approaching 90 degrees!

Lingering light drizzle through Sunday morning's low cloud haze
Then wrap-around moisture clears out for better days, that's right!
Surface low is sliding north, pressure's dropping down
I walk into the room, sugar, I own this whole town

Deformation axis dropping light to moderate rain
Gradient is relaxing, taking away the pain
The atmosphere is squashed, no severe threat in sight
I'm taking over Tennessee tonight! Yeah, come on!

Yeah, Isaias is moving out, baby, the sky is clear and free! 
A shortwave ridge is rollin' in to heat up you and me! 
We're blowin' past the normal, yeah, you feel that summer breeze!
Oh, mid-week is comin' hot, approaching 90 degrees!

Approaching ninety degrees! 
Yeah, stubborn Southeast ridging, baby!
We're heating up!
Approaching 90 degrees!

The forecast discussion

KEY MESSAGES

Updated at 624 PM CDT Sat Oct 10 2026

- Remnants of Isaias are bringing widespread rain and gusty winds to Middle Tennessee.

Wind gusts up to 50 mph are possible in higher elevations through the afternoon.

- Additional rainfall up to 1.0" is possible through Sunday.

Flooding rains are no longer expected.

- Warm, dry weather is forecast next week with temperatures well above-normal most days.

SHORT TERM

(Rest of today through Sunday) Issued at 1155 AM CDT Sat Oct 10 2026

The center of post-tropical cyclone Isaias is currently sitting over Central Alabama.

The low is making a slow progression north, but the surrounding wind and moisture fields have moved across Middle Tennessee this morning.

This has brought widespread light to moderate rain along a deformation axis and gusty winds where pockets of mixing have occurred under a robust low-level jet.

Winds aloft, just as high as 1,000 ft AGL, are 50 kts per the KOHX VAD.

Thankfully the lack of instability and tropical PWs has kept deep convection out of the area (sitting over Georgia and the Carolinas) which has squashed any threat of severe weather or flooding for here.

However, we'll continue to see breezy winds with gusts up to 40 mph possible west of the Cumberland Plateau.

Gusts up to 50 mph are possible across the higher terrain through the afternoon.

Gusty winds could knock down trees or tree limbs.

Winds and rain rates will continue to subside this evening as the pressure gradient relaxes thanks to the surface low moving up through Tennessee.

Wrap-around winds and low-level moisture will support lingering light rain, drizzle, and low clouds through Sunday morning with gradual clearing expected Sunday afternoon and evening.

LONG TERM

(Sunday Night through next Saturday) Issued at 1155 AM CDT Sat Oct 10 2026

Once we lose presence of post-tropical cyclone Isaias on Sunday, Middle Tennessee will transition quickly back into warm, dry weather on Monday with a shortwave ridge moving in from the west.

Temperatures are forecast to be well above-normal most days next week with highs approaching 90 degrees mid week.

Low rain/storm chances are in the forecast mid to late week with influence from an approaching shortwave and surface front, but models are in disagreement about the progression of this system thanks to stubborn ridging across the Southeast.