Area Forecast Discussion
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296
FXUS64 KEPZ 290413
AFDEPZ

Area Forecast Discussion
National Weather Service El Paso TX/Santa Teresa NM
1013 PM MDT Wed Oct 28 2026

...New DISCUSSION, AVIATION...

.KEY MESSAGES... Updated at 1012 PM MDT Wed Oct 28 2026

 - Isolated thunderstorms possible over Hudspeth, and southern Otero
   Counties through late evening...otherwise dry and quiet.

 - Showers with embedded thunderstorms expected areawide Thursday
   and again later Friday. Brief stretch of quiet weather for
   Halloween.

 - A upper level system will bring showers and thunderstorms to
   the area Sunday and into Monday. Increased flooding risk from
   thunderstorms.

&&

.DISCUSSION...
Issued at 1012 PM MDT Wed Oct 28 2026

Southwest flow aloft is increasing as upper low nears the California
coast...and several short waves out ahead of the low near Baja
rotate east toward New Mexico. This flow will bring up existing
sub-tropical moisture over northern Mexico, including some
moisture from TS Vance, across the CWA Thursday. PWs approach one
inch from the RG Valley east. Batted around a flood watch but
decided not to issue one. The moisture, decent instability and
slow storm movement could still create a few flooding storms.

One of the short waves rotating out of the California trough reaches
New Mexico late FRIDAY afternoon and into the evening to spread
another round of showers/storms to the area. PWs almost as high as
Thursday`s event, with sub-tropical jet approaching and drawing in
moisture from the eastern Pacific. Shear environment looks better
than Thursday, and along with modest CAPE values may be more
conducive to some strong/severe storms. The negative is that the
storms are not likely to start until late in the day.

SATURDAY (Halloween) looks to be a tweener day as the short wave
exits the area and we await the the west coast upper low. Both
GFS/ECMWF dampen the low as it approaches, but phasing it in with
the Pac NW over the Great Basin SUNDAY. This looks to be a fast
moving feature, though ECMWF somewhat slower. GFS moves it out by
late Sunday night while the ECMWF lets it hang around until Monday
afternoon. Showers/storms should start out west Sunday afternoon and
spread east through the evening hours. Once again PWs approach or
slightly exceed one inch, suggesting some flood potential.
However mid-level storm motion winds of 30-50 mph may not allow
for prolonged rain over any specific area.

Main Pacific cold front moves through late Sunday night with
secondary colder front dropping out of the Great Basin to the CWA
Monday night. High temps by Tuesday may remain in the 60s across the
lowlands.

&&

.AVIATION...
(06Z TAFS) Issued at 1012 PM MDT Wed Oct 28 2026

VFR conditions through the period. Rio Grande Valley west...SCT-
BKN250. East of the Valley...SCT080 BKN250 with a slight chance of a
BKN060CB -TSRA over Hudspeth until 08Z. Developing after
18Z...scattered BKN/OVC060CB 3-5SM TSRA. Large hail and wind gusts
of 30-40 knots with some of the storms.

&&

.FIRE WEATHER...
Issued at 1257 PM MDT Wed Oct 28 2026

Low fire weather concerns through at least Monday as min RHs stay
above critical thresholds. Expect showers and thunderstorms starting
tomorrow morning and persisting into Friday morning. A brief break
in the rain Friday morning and portions of the afternoon but the
next round of rain expected to begin out west Friday afternoon and
through the evening. By Saturday morning, much of the weather will
have cleared out bringing another short break in the weather. A more
robust system will bring more rain and thunderstorm chances Sunday
but will clear out on Monday. Flash flooding will be a concern with
thunderstorms Sunday. There`ll be a lower risk for flooding Thursday
(still could happen, but not as widespread), but definitely looks to
be a bigger risk on Sunday.

Min RHs in the lowlands will be anywhere from 30-60% tomorrow with
mountain min RHs of 70-80% tomorrow. Min RHs will become 40-60% in
the lowlands and 65-80% in the mountains Friday through Sunday. Min
RHs dip to the 30% range in the lowlands and 50-60% in the mountains
Monday through Wednesday. 20 foot winds will be 5-10 mph each
afternoon starting Thursday through Saturday. Slightly breezier
conditions Sunday with winds 10-15 mph, and even breezier Monday
afternoon with speeds of 10-20 mph.

&&

.PRELIMINARY POINT TEMPS/POPS...
El Paso                  59  76  58  73 /   0  50  70  10
Sierra Blanca            54  71  52  70 /  20  60  70  20
Las Cruces               54  75  54  72 /   0  30  70   0
Alamogordo               54  75  52  71 /   0  60  70  20
Cloudcroft               40  58  39  54 /   0  70  80  30
Truth or Consequences    51  75  53  72 /   0  20  70  10
Silver City              49  71  48  68 /   0  20  40  30
Deming                   53  77  53  74 /   0  20  60  10
Lordsburg                52  77  52  74 /   0  10  30  20
West El Paso Metro       61  75  60  73 /   0  50  70   0
Dell City                55  74  55  73 /  20  50  70  10
Fort Hancock             60  79  59  78 /  30  50  60  20
Loma Linda               54  69  52  66 /  10  50  60  10
Fabens                   59  77  58  76 /  10  60  60  10
Santa Teresa             57  75  56  72 /   0  40  60   0
White Sands HQ           59  76  57  73 /  10  50  70  10
Jornada Range            52  75  54  72 /   0  40  70  10
Hatch                    54  79  55  76 /   0  30  70  10
Columbus                 56  77  56  75 /   0  10  60  10
Orogrande                51  74  53  71 /   0  40  70  10
Mayhill                  45  67  45  64 /   0  60  80  50
Mescalero                44  68  44  64 /   0  70  70  30
Timberon                 44  65  42  62 /  10  50  70  30
Winston                  42  69  44  67 /   0  20  60  20
Hillsboro                52  74  52  72 /   0  30  70  10
Spaceport                49  75  53  72 /   0  30  70  10
Lake Roberts             35  72  41  69 /   0  20  40  30
Hurley                   48  73  48  70 /   0  20  50  20
Cliff                    34  79  44  75 /   0  30  20  40
Mule Creek               30  74  41  69 /   0  10  10  40
Faywood                  51  72  50  69 /   0  20  60  10
Animas                   52  77  53  75 /   0  10  30  20
Hachita                  51  76  52  74 /   0  20  40  10
Antelope Wells           53  77  53  75 /   0  20  30  20
Cloverdale               51  74  50  69 /   0  10  20  30

&&

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

$$

FORECASTER...17-Hefner