textproduct: Morristown

KEY MESSAGES

Updated at 115 PM EDT Mon Jun 1 2026

- Severe threat across southern areas this afternoon has greatly diminished. Otherwise, isolated to scattered showers and storms possible across the area through this evening. A few storms may be strong to severe.

- After a chance of showers Tuesday, a dry weather pattern will set up across the region during the rest of the week.

DISCUSSION

Issued at 115 PM EDT Mon Jun 1 2026

Early morning low-level clouds, combined with convective debris clouds from early morning storms across middle tn, have limited the instability across the southern TN Valley. The severe threat has greatly diminished across this area through the rest of the afternoon.

The main severe threat will be further west across Alabama. Areas along and north of I-40 saw some partial clearing earlier today. These areas will have the better chances to see some isolated to scattered showers and storms this afternoon and evening. With moderate effective shear of around 35 kts and DCAPE values around 1000 J/kg, an isolated strong to possible severe storm can't be ruled out. Showers and storms diminish this evening and overnight with loss of heating. The main threats with any stronger storm will be isolated damaging wind gusts from 50 to 60 mph and 0.5 to 1 inch hail.

On Tuesday, we will see a deep northerly flow as the closed low over the Mid Atlantic region becomes dominant. There could be some scattered to isolated showers/storms in our eastern sections Tuesday afternoon as a shortwave trough extending from the close low rotates across the Appalachians. The cold temps aloft under this trough will generate scattered showers and possibly an isolated thunderstorm. Some small hail cannot be ruled out either, given the cold temps aloft creating midlevel lapse rates near 7.5-8 C/km and WBZ heights around 8 kft.

For Wednesday and beyond, a large blocking ridge will be over the region, keeping dry conditions with a warming trend for the rest of the week.

AVIATION

(18Z TAFS) Issued at 115 PM EDT Mon Jun 1 2026

MVFR conditions likely to move into CHA soon and remain most of the afternoon. PROB30 for MVFR at TYS and TRI if thunderstorms pass over the terminals. Otherwise, VFR conditions tonight after the rain and storms have ended. Winds will generally be out of the west, transitioning to north, 10kts or less through the period, outside or any thunderstorms.

PRELIMINARY POINT TEMPS/POPS

Chattanooga Airport, TN 66 81 59 80 / 40 10 10 0 Knoxville McGhee Tyson Airport, TN 61 80 56 79 / 20 20 10 0 Oak Ridge, TN 60 80 55 79 / 20 10 0 0 Tri Cities Airport, TN 57 77 51 80 / 10 30 0 0

MRX WATCHES/WARNINGS/ADVISORIES

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