Hang On Tight
Monday, August 17, 2026 · 7:01 PM
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Tuesday will be rain-free and not as hot. Wednesday will be hot, but below Heat Advisory levels. Medium chance for storms Wednesday night and Thursday, then temperatures drop to normal levels. If you can't stand the heat and humidity, honey, just hang on That frontal boundary is pushing down before the night is gone Slinking past Kentucky, crossing Interstate sixty-five Three to eight P.M. peak, making Middle Tennessee alive Low vertical shear, but I like a little dangerous flair Marginal wind risk on the horizon tonight, yeah Dew points dropping to the sixties real soon Are you ready for the move? Come on baby, feel the cool air strike! We're lighting up the radar all through the night! One short stint of sweet relief, set your body free, So turn it up and hang on tight! Yeah, hang on tight! Wednesday brings a little heat, swinging boundary layer southwest A large upper level troff coming in to do the rest Wednesday night into Thursday, storms are ready to pop Mid-level lapse rates healthy, the party won't stop Guidance says the weekend is clean and clear for us More shear to work with when Thursday comes along, yeah Temperatures dropping right back where they belong Are you ready for the move? Come on baby, feel the cool air strike! We're lighting up the radar all through the night! One short stint of sweet relief, set your body free, So turn it up and hang on tight! Yeah, hang on tight! Yeah, hang on tight! That upper level troff is setting us free! Normal temps for the weekend, baby! Hang on tight!
The forecast discussion
KEY MESSAGES
Updated at 700 PM CDT Mon Aug 17 2026
- Tuesday will be rain-free and not as hot.
Wednesday will be hot, but below Heat Advisory levels.
- Medium chance for storms Wednesday night and Thursday, then temperatures drop to normal levels.
SHORT TERM
(Rest of today through Tuesday) Issued at 1051 AM CDT Mon Aug 17 2026
If you are not a fan of all this heat and humidity, hang on tight.
Relief is coming.
The first (though short) stint of relief will come tomorrow after this frontal boundary pushes through Middle TN this afternoon.
We're already seeing some effects from this boundary this morning with a few showers/rumbles of thunder in our northwest quadrant.
However, the front itself is still back in KY. As it pushes closer to the mid-state this afternoon, we are still expected a spike in convective activity.
Most should be confined to areas along and east of I-65 with a peak time frame of 3 to 8 pm. Forecast soundings are still supportive of a marginal wind risk with decent mid and low level lapse rates and plenty of instability.
The main mitigating ingredient is a lack of vertical shear.
We'll continue to highlight a low chance for damaging wind gusts during this time frame.
Once the front gets through here this evening, I think we'll see one day of temp/humidity relief tomorrow.
Dew points fall back into the 60s by tomorrow afternoon and highs will be much more near normal.
LONG TERM
(Tuesday Night through next Monday) Issued at 1051 AM CDT Mon Aug 17 2026
One more (short-lived) shot of heat and humidty is expected to rear its head again on Wednesday as the boundary layer swings back around to the southwest.
Afternoon highs will creep a few degrees warmer than normal, but that should be about it. Cooler weather will follow!
BUT -- the door may be open for showers and storms, too.
Most are suggesting a Wednesday night into Thursday time frame now for more widespread storm development.
Forecast soundings on Thursday are worth watching as mid-level lapse rates are healthy and there could be *a little* more shear to work with.
This storm potential on Wednesday night and Thursday all revolves around the development of a large upper level trough over the eastern half of the US and once we get past these mid-week storms, most medium range guidance suggests temperatures right around normal with small to no rain chances for the upcoming weekend.
Something to look forward to if you have outdoor plans!