Area Forecast Discussion
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142
FXUS64 KEPZ 040535
AFDEPZ

Area Forecast Discussion
National Weather Service El Paso TX/Santa Teresa NM
1035 PM MST Wed Dec 3 2025

...New DISCUSSION, AVIATION...

.KEY MESSAGES...
Updated at 1030 PM MST Wed Dec 3 2025

 - Upper level system is currently bringing snow showers mainly to
   the Sacramento Mountains, with light sprinkles in a few lowland
   areas, mainly north of the I-10 corridor in New Mexico.

 - Snowfall in the Sacramento Mountains by morning will range from
   a dusting to 2 inches, with the higher amounts above 7500 feet.

 - Cooler temperatures are expected through the day Thursday, with
   cold temperatures Thursday and Friday night.

 - Dry conditions, typical breezes, and a slow warming trend are
   expected through the weekend.

&&

.DISCUSSION...
Issued at 1030 PM MST Wed Dec 3 2025

Water vapor imagery and upper level analysis shows a shortwave
trough extending from south-central Colorado into Arizona. You can
also see plenty of moisture aloft well south of the border. Just a
few days ago, models were trending towards a more amplified trough
digging further south and tapping some of that moisture...but it
was not meant to be.

On the nighttime microphysics imagery, you can see a little
northeast push from a backdoor cold front sneaking into the
Sacramento Mountains. Though the steadier northeast winds are out
over the Eastern Plains, some of that cooler and drier air has
pushed into the eastern and northern portions of the Sacramento
Mountains. This is making for somewhat disjointed snow levels,
with snow levels around 6500 feet east and northeast of the main
ridgeline, and closer to 7500-8000 feet along the west slopes.

Webcams show it`s snowing steadily in Ruidoso and Lake Mescalero,
with a dusting on the US-70 road surface at Apache Summit (7600`).
A light accumulation is also covering the ground at Lake Mescalero
(6950`), and it has just started sticking to the roads at
Cloudcroft (8675`). A webcam at Sky Country Estates (8870`) looks
to have roughly a half inch accumulation on the deck railing. This
broken band of light snow will persist for a few more hours, then
snow showers will become lighter and more sparse around dawn.

Total snow accumulations by morning will be around 1-2 inches
above 8000 feet, down to a dusting around 6000 feet. A dusting is
also possible along Emory Pass in the Black Range, where precip is
much lighter.

Otherwise, it`s back to benign weather tomorrow, though cooler
temperatures will prevail. Highs in the lowlands will be in the
middle to upper-50s (about 4-8 degrees below normal), and the
lower to middle-30s above 8000 feet (8 to 12 degrees below
normal).

Lighter winds and clear skies will make for a cold night Thursday
night into Friday morning, with another shot at reaching the
freezing mark again here on the mesa at Santa Teresa. Much of the
Mesilla and Hatch Valleys will dip into the middle-20s, with 10s
in the usual cold spots around the Gila. It still looks like KELP,
downtown, and the east side of El Paso will stay above freezing by
2-3 degrees, though colder temperatures may creep up into the more
urbanized parts of the Lower Valley.

Temperatures will rise to near normal for Friday, while overnight
lows Friday night will only be a degree or two off the previous
night. We`ll see an overall warming trend, with highs reaching the
middle 60s in the lowlands no later than Saturday.

Dry and benign northwest flow looks to continue through the
forecast period, with no strong winds or precip on the horizon.

&&

.AVIATION...
(06Z TAFS)
Issued at 1030 PM MST Wed Dec 3 2025

A band of light precip will bring light snow over the Sacramento
Mountains, and perhaps the odd sprinkle at TCS. Otherwise, expect
VFR conditions to prevail at all terminals overnight, with SCT-BKN
mid-level clouds (5-7kft), though lower clouds will exist over the
Sacramento Mountains, where a backdoor cold front is nudging in.

Winds will trend towards light northerly Thursday with generally
clearing skies.

&&

.FIRE WEATHER...
Issued at 1023 AM MST Wed Dec 3 2025

Fire weather concerns will be low through the forecast period. A
low chance of rain and mtn snow is forecast for tonight, mainly in
the Sacs as a storm system tracks across northern NM. Light snow
accumulations up to 1" are expected in the Sacs with slightly
heavier snowfall (2-3") further north in Lincoln county. Winds
increase from the W-SW this afternoon ahead of the trough, with
20-ft winds of about 15 mph, gusting to 25 mph. Min RHs (30-50%)
will be well above critical levels, so elevated fire danger is
not forecast today. Deeper mixing heights and transport winds are
expected this afternoon, so ventilation will be very good, mostly.
Light winds return tomorrow along with cooler temps behind the
front, resulting in poor ventilation. No precip is expected after
tomorrow morning through the weekend under northwest flow aloft.
Typical afternoon breeziness is forecast for the weekend.
Temperatures gradually rebound to above normal by early next
week. Min RHs will be 25-45% Thu, dropping to 20-35% by Sat.

&&

.PRELIMINARY POINT TEMPS/POPS...
El Paso                  56  35  62  38 /   0  10   0   0
Sierra Blanca            56  38  58  34 /   0   0   0   0
Las Cruces               53  30  57  30 /   0  10   0   0
Alamogordo               50  29  55  29 /   0  20   0   0
Cloudcroft               34  24  36  25 /   0  80   0   0
Truth or Consequences    50  27  54  29 /   0  20   0   0
Silver City              49  25  51  27 /   0  30   0   0
Deming                   55  27  61  30 /   0  20   0   0
Lordsburg                55  30  56  27 /   0  30   0   0
West El Paso Metro       57  33  60  36 /   0  10   0   0
Dell City                54  25  62  26 /   0  10   0   0
Fort Hancock             58  33  65  33 /   0   0   0   0
Loma Linda               53  30  54  31 /   0  10   0   0
Fabens                   58  34  62  35 /   0   0   0   0
Santa Teresa             55  33  59  34 /   0  10   0   0
White Sands HQ           54  36  59  36 /   0  20   0   0
Jornada Range            53  23  57  25 /   0  20   0   0
Hatch                    54  26  60  27 /   0  20   0   0
Columbus                 56  31  62  34 /   0  10   0   0
Orogrande                52  30  56  30 /   0  20   0   0
Mayhill                  44  27  50  29 /   0  70   0   0
Mescalero                42  25  47  26 /  10  70  10   0
Timberon                 43  21  45  24 /   0  50   0   0
Winston                  46  16  52  21 /   0  30   0   0
Hillsboro                49  29  56  29 /   0  30   0   0
Spaceport                51  27  55  26 /   0  20   0   0
Lake Roberts             47  13  52  18 /   0  30   0   0
Hurley                   49  26  54  25 /   0  30   0   0
Cliff                    52  23  57  20 /  10  20   0   0
Mule Creek               51  16  53  18 /  10  20   0   0
Faywood                  49  26  54  27 /   0  30   0   0
Animas                   56  31  59  30 /   0  20   0   0
Hachita                  55  30  59  30 /   0  20   0   0
Antelope Wells           55  28  61  28 /   0  10  10   0
Cloverdale               56  33  54  32 /   0  10   0   0

&&

.EPZ WATCHES/WARNINGS/ADVISORIES...
TX...None.
NM...None.
&&

$$

FORECASTER...25-Hardiman