Pushing Past 100
Thursday, September 10, 2026 · 6:31 PM
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Updated at six twenty-three P.M. Central Daylight Time Thursday September tenth twenty twenty-six. Above-normal temperatures will continue with highs in the low nineties for most areas through the next seven days. Chances for scattered showers and storms will increase through the next couple of days with high rain chances across the area Saturday. Low chance for a few storms with strong gusty winds and brief flash flooding through Saturday. Remnants of overnight chaos drifting from the northwest! Northern sections soaked in morning rain! A weak front drapes along the Ohio Valley, pinned in place! Two kilojoules per kilogram of cape waiting to ignite! From two P.M. to seven P.M. the atmosphere breaks down! Heavy downpours! Localized flooding! Gusty winds tear through the heat! The boundary stalls out, trapping us inside the muggy regime Mid-level shortwave disturbances cutting through the dream Precipitable water values staying impossibly high No escape from what is building in the sky The cloud cover hangs low above the town The humidity is drowning us ground by ground We burn beneath the weight of what we've become With heat index values pushing past 100! Friday comes and the boundary refuses to move! Middle Tennessee trapped in an unsettled cage! Diurnal instability rising with every hour of light! Shear and lapse rates look unimpressive but the moisture won't recede! Brief local flash floods soaking into the pavement! High rain coverage on Saturday, but no true relief! Temperatures locked in the lower nineties! Upper eighties across the Cumberland Plateau! We choke on the stagnant air! We burn in the moisture! The cloud cover hangs low above the town The humidity is drowning us ground by ground We burn beneath the weight of what we've become With heat index values pushing past 100! Stalled on the boundary! Trapped in the regime! Precipitable water rising! Pushing past 100! Pushing past 100!
The forecast discussion
KEY MESSAGES
Updated at 623 PM CDT Thu Sep 10 2026
- Above-normal temperatures will continue with highs in the low 90s for most areas through the next seven days.
- Chances for scattered showers and storms will increase through the next couple of days with high rain chances across the area Saturday.
- Low chance for a few storms with strong gusty winds and brief flash flooding through Saturday.
SHORT TERM
(Rest of today through Saturday) Issued at 1130 AM CDT Thu Sep 10 2026
Northern sections experienced a few showers this morning with remnants of storms that came from the northwest overnight.
Another day of hot and humid conditions will help kick off new showers and scattered storms this afternoon and evening.
This activity will occur mostly over the northwest half of our area as a weak front drapes along the Ohio Valley.
There will be enough cape (around 2 kJ/kg) to make a few strong to marginally severe storms from 2 PM to 7 PM. Local gusty winds and heavy downpours with brief flooding will be the main concerns.
Otherwise, temps will reach the lower 90s for most areas, except upper 80s Plateau.
Muggy conditions will push heat index values over 100, but mostly shy of Heat Advisory levels.
The front from the Ohio Valley will dip into the Mid State and stall out on Friday, trapping Middle TN in a muggy, unsettled regime.
The boundary along with mid level shortwave disturbances will bring increasing coverage of showers and storms, especially for Saturday.
The increased cloudiness and rain coverage will keep temperatures from being excessively hot, but it will still be very warm and humid.
Enough diurnal instability will be present for isolated strong storm potential, but parameters like shear and mid level lapse rates look unimpressive for any organized severe storm threat.
Precipitable water values will stay high through Saturday, so brief, local flooding will be possible.
LONG TERM
(Saturday Night through next Thursday) Issued at 1130 AM CDT Thu Sep 10 2026
After Saturday, rain chances will drop off with generally low chances for scattered showers and storms in the afternoon and early evening hours each day next week.
Models show a strong mid level ridge building up again.
This will pump up the heat with some areas reaching middle 90s again Tuesday and Wednesday.
Models are showing signs of relief by next weekend with potential for a front dropping temps down toward normal levels.
There is still a wide spread of solutions, but probabilities are trending toward 80s for highs.