Relatively Stable
Thursday, August 20, 2026 · 10:28 PM
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Drier with slightly below-normal temperatures this weekend, especially overnight, then near-normal temperatures mid next week. Low to Medium rain chances continue into next week. Along the Alabama state line tonight Thunderstorms ride the cape boundary east Lows dipping into the mid sixties Calm across Middle Tennessee Patchy fog on the docket for the morning A quiet stillness across the valley Highs cooler in the eighties, touching ninety degrees The troff sits directly overhead Keeping everything quiet for now More patchy fog coming with the midnight hour Lows dropping to the low sixties The calm is slipping away The air is starting to break STORMS RIDE THE BOUNDARY IN THE DARK THE FOG IS BURNING THROUGH MY HEART THE TROFF IS OVERHEAD AND CRUSHING DOWN RELATIVELY STABLE LOW SIXTIES IN THE MORNING AIR PATCHY FOG EVERYWHERE THE STABILITY IS DYING NOW IT ALL FALLS APART IT ALL FALLS APART DIRECTLY OVERHEAD RELATIVELY STABLE STABLE
The forecast discussion
NEW SHORT TERM, LONG TERM
KEY MESSAGES
Updated at 1028 PM CDT Thu Aug 20 2026
- Drier with slightly below-normal temperatures this weekend, especially overnight, then near-normal temperatures mid next week.
- Low to Medium rain chances continue into next week.
SHORT TERM
(Tonight through Saturday Night) Issued at 1028 PM CDT Thu Aug 20 2026
Things are more active along the AL state line this evening, as storms ride a CAPE boundary east.
Elsewhere in Middle Tennessee, things are calmer.
Overnight, expect these thunderstorms to push east out of Middle Tennessee and temperatures to dip into the mid 60s to low 70s for lows.
Friday will start off with some patchy fog around the area.
There are some shower and thunderstorm chances in the afternoon on the Cumberland plateau, but overall the trough directly overhead should help keep things relatively stable.
Highs will be a little cooler in the 80s with some spots touching 90 degrees.
More patchy fog is on the docket for Friday night into Saturday morning as well, with low temperatures in the low to mid 60s.
LONG TERM
(Sunday through next Friday) Issued at 1028 PM CDT Thu Aug 20 2026
As the trough settles in, the pattern turns dry for the weekend.
Into the beginning of the work week, we remain in NW flow aloft, which looks to bring in isolated rain chances through mid-week.
Rain chances look to become more scattered into mid-week as NW flow persists.
Temperatures will remain in the upper 80s to low 90s through the forecast period.