Three Consecutive Days
Saturday, September 5, 2026 · 10:28 PM

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Major heat risk and triple digit heat indices continue across southwest Middle Tennessee with a Heat Advisory remaining in effect until eight P.M. Sunday. Heat risk lessens early next week, but temperatures remain above-normal through the forecast period. Rain chances are low through this week. the weak disturbance passes through the quiet night an inverted-V sounding hidden out of sight downdraft convective available potential energy waiting in the soundings until midnight patchy fog develops on the Plateau while we sleep a calm night in store with secrets to keep highs in the upper-eighties where the elevation stays mid-nineties everywhere else in the lingering haze drier air filtering through the atmosphere except southwest Middle Tennessee where the advisory remains we burned through the weekend in unrelenting chains three consecutive days of triple digits at B N A and the high pressure ridge will not wash away WE CANNOT ESCAPE THE HEAT OF SEPTEMBER BURNING THE DUST INTO EVERY LAST EMBER THE DOWNDRAFTS COLLAPSE AS THE SUNLIGHT STRAY WE BURNED THROUGH THREE CONSECUTIVE DAYS INVERTED-V SOUNDINGS DOWNBURST FROM THE SKY NO RAIN TO SAVE US THE ATMOSPHERE IS DRY MID-NINETIES WEDNESDAY HIGH PRESSURE SHIFTS BACK ABOVE NORMAL TEMPERATURES ON A HEATED TRACK ABOVE NORMAL THROUGH THE FORECAST PERIOD ABOVE NORMAL FOREVER THREE CONSECUTIVE DAYS
The forecast discussion
NEW SHORT TERM, LONG TERM
KEY MESSAGES
Updated at 1021 PM CDT Sat Sep 5 2026
- Major heat risk and triple digit heat indices continue across southwest Middle TN with a Heat Advisory remaining in effect until 8 PM Sunday.
- Heat risk lessens early next week, but temperatures remain above-normal through the forecast period.
- Rain chances are low through this week.
SHORT TERM
(Tonight through Monday Night) Issued at 1021 PM CDT Sat Sep 5 2026
A weak disturbance is passing through the area this evening, and an unstable environment will continue to support a low chance for thunderstorms through about midnight.
Main concern will continue to be strong winds due to inverted-V soundings and plenty of DCAPE.
Once thunderstorms diminish, a calm night is then in store with just the development of patchy fog, particularly across the Plateau, to watch.
Dry conditions expected on Sunday with a little bit of a dip in the temperatures.
Look for highs in the upper-80s for the Plateau and into the mid-90s elsewhere.
Still above normal, but certainly better than the three consecutive days of triple digits that BNA has recorded.
Thanks to the drier air, heat indices will also stay below 100 with the exception being across the southwest where a Heat Advisory remains in effect through Sunday for those counties.
Temperatures cool a little bit more on Monday with highs in the mid- 80s for the Plateau and into the low-90s west of it. Most of the area remains dry, but another weak disturbance allows for low to medium storm chances across the Plateau.
LONG TERM
(Tuesday through next Sunday) Issued at 1021 PM CDT Sat Sep 5 2026
Unfortunately, the main story continues to be the heat.
By Tuesday, the high pressure shifts back over the southeastern US, and temperatures will warm in response.
Highs will be back in the mid- 90s Wednesday.
It won't be quite as hot and humid as what we've been experiencing lately, but it'll still be uncomfortable with temperatures that are well above normal for September.
A pattern change on Thursday brings a front into the area which increases rain chances into the weekend.
While this front drops temperatures some, it won't be as strong as you may hope for as above normal temperatures continue to be favored.