textproduct: Morristown
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KEY MESSAGES
Updated at 1238 PM EST Sun Jan 18 2026
- Cold conditions are expected, especially tonight into Tuesday when below 0 wind chills will be possible in the higher elevations.
- First half of the week will be dry, with chances for rain and snow again late week.
DISCUSSION
Issued at 1238 PM EST Sun Jan 18 2026
Currently another chilly day on tap with temperatures trying their best to climb above the freezing mark as the mid/upper level trough continues to swing it's way off to our east. As the system continues to depart into Monday, another push of cold air arrives. High pressure at the surface will build in from the west Sunday night through Tuesday before sliding eastward by Wednesday. This stretchfrom Sunday afternoon through Tuesdaywill be dry but notably cold, with daytime highs running about 10 to 15 degrees below normal. Monday night will be the coldest period, with valley lows ranging from around 10 degrees to the teens, and single digits in the mountains. Persistent winds over higher terrain may drive wind chills below zero at times.
By Wednesday, as the high shifts east, temperatures will begin to moderate toward seasonal averages, and conditions should stay dry.
Most model guidance indicates another shortwave moving through sometime Wednesday night into early Thursday. Moisture remains limited, but a few light rain or snow showers are possible.
Friday appears dry, but model agreement deteriorates toward the end of the forecast period. Current indications suggest precipitation could return as the weekend begins, likely falling as predominantly rain based on present thermal profiles. Confidence remains low this far out due to significant model spread.
AVIATION
(18Z TAFS) Issued at 1238 PM EST Sun Jan 18 2026
VFR conditions with mostly clear skies will prevail through the period. Southwest winds will be between 10-15kts for much of the TAF cycle, however, the typical diurnal lull with lighter winds is expected tonight. This lull in winds will be most pronounced for CHA. For tomorrow, TRI is the most favorable location to observe gusts between 20-25kts and have brief period of low-level FEW/SCT clouds in the AM hours.
PRELIMINARY POINT TEMPS/POPS
Chattanooga Airport, TN 25 42 18 40 / 0 0 0 0 Knoxville McGhee Tyson Airport, TN 23 39 14 36 / 0 0 0 0 Oak Ridge, TN 22 37 13 36 / 0 0 0 0 Tri Cities Airport, TN 19 34 10 31 / 0 0 0 0
MRX WATCHES/WARNINGS/ADVISORIES
NC...NONE. TN...NONE. VA...NONE.
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