textproduct: Morristown
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
Updated at 729 AM EDT Sun Apr 19 2026
- Drier and cooler conditions are expected today into early next week.
- A warming trend will continue through much of the week with rain chances returning Friday into Saturday.
DISCUSSION
Issued at 301 AM EDT Sun Apr 19 2026
Currently, a trough is approaching from the west with a cold front moving through the region. With this cold front, showers and embedded storms are gradually exiting to our east with high pressure expanding from the southwest. This will increase northerly to northwesterly winds with cooler temperatures this morning and into the day. Significantly drier conditions are expected through the day with RH values dropping well into the 20s area-wide. Tonight, high pressure will become set up almost directly over the region, leading to stronger subsidence, lighter winds, and cooler temperatures. Some places in the northeast will drop into the 30s with patchy frost possible. A similar pattern will continue on Monday, keeping seasonally cool and dry conditions in place. Stronger subsidence will allow for a further drop in temperatures Monday night with frost more likely, especially in northeast Tennessee and southwest Virginia. By Tuesday, a warming trend will continue with height rises as ridging approaches from the west. Notably dry conditions will remain in place.
Wednesday and Thursday, ridging will move into the region from the west with high pressure keeping the region dry. Another trough will approach from the west late in the week and into the weekend. There is still uncertainty as to how this will evolve, but rain chances will return at a minimum.
AVIATION
(12Z TAFS) Issued at 729 AM EDT Sun Apr 19 2026
Rain for the most part has exited the area, except some very isolated showers that may reach TRI the next couple of hours this morning. BR's present there as well. It has cleared and now VFR at TYS and CHA. CIG will continue to lift and scatter with time today. N to NW winds following the recent frontal passage may be gusty at times today. High pressure will fill in, promoting drying and calm winds tonight.
PRELIMINARY POINT TEMPS/POPS
Chattanooga Airport, TN 67 44 75 46 / 0 0 0 0 Knoxville McGhee Tyson Airport, TN 64 43 68 42 / 0 0 0 0 Oak Ridge, TN 65 41 69 41 / 0 0 0 0 Tri Cities Airport, TN 60 38 62 35 / 0 0 0 0
MRX WATCHES/WARNINGS/ADVISORIES
NC...NONE. TN...NONE. VA...NONE.
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