textproduct: Morristown

KEY MESSAGES

Updated at 148 PM EDT Sun Sep 6 2026 - Today will be slightly cooler with highs mainly in the upper 80s and lower 90s.

- Additional thunderstorms expected today, mainly in the southern Appalachians and nearby foothills with the primary threat gusty winds.

- Showers and storms will be isolated to scattered Monday afternoon.

- Drier conditions return midweek with storms possible toward the end of the workweek.

DISCUSSION

Issued at 148 PM EDT Sun Sep 6 2026

Currently storms continue to move through northeast TN and southwest VA as we remain under a strong ridge over most of the United States. Weak disturbance is moving through, but it's just enough to help organize convection across the area. Atmosphere out there (especially across northeast TN and southwest VA) is capable of producing strong downbursts from collapsing storms and small hail. We could also see some minor flooding as these storms continue to run over the same counties today. But at this time widespread severe weather and/or widespread flooding is not anticipated on this side of the Appalachian Mountains.

For Monday, an inverted surface trough across the Plateau and western Tennessee valley will support isolated convection mainly along and west of interstate 40. Again, strong/gusty winds and frequent lightning will be the main concern.

For Tuesday and Wednesday, upper ridging builds back over the Tennessee valley and southern Appalachians producing hot and dry conditions. Dewpoints will be in the middle and upper 60s which will limit the heat indices below heat advisory criteria.

The upper ridge flattens for Thursday as a short-waves and frontal boundary approaches the area. Scattered showers and storms are expected. The boundary moves south of the area for Friday.

For Saturday, return southerly flow around surface ridge east of the Appalachians will bring moisture and instability back into the area.

In the upper levels, the ridge builds back into the region by Monday afternoon although centered near Oklahoma. Monday will have cooler temps (although still very warm) with highs in the Tennessee Valley mainly in the upper 80s. Showers and storms will be isolated to scattered Monday afternoon as an inverted surface trough forms over Kentucky and Tennessee.

AVIATION

(18Z TAFS) Issued at 148 PM EDT Sun Sep 6 2026

A few isolated storms are moving near the KTRI airport and could be in the vicinity for the first few hours of this TAF cycle. Outside of any thunderstorms VFR conditions are expected.

PRELIMINARY POINT TEMPS/POPS

Chattanooga Airport, TN 72 91 70 91 / 20 50 0 0 Knoxville McGhee Tyson Airport, TN 70 89 67 91 / 10 50 0 0 Oak Ridge, TN 68 89 66 90 / 0 40 0 0 Tri Cities Airport, TN 65 84 61 87 / 20 20 0 0

MRX WATCHES/WARNINGS/ADVISORIES

NC...NONE. TN...NONE. VA...NONE.