Area Forecast Discussion
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542
FXUS64 KEPZ 300440
AFDEPZ

Area Forecast Discussion
National Weather Service El Paso TX/Santa Teresa NM
1040 PM MDT Tue Sep 29 2026

...New DISCUSSION, AVIATION...

.KEY MESSAGES...
Updated at 1039 PM MDT Tue Sep 29 2026

 - Light showers across the area with breezy winds Wednesday.

 - Mostly dry conditions with some breeziness Thursday through Saturday
   with low end chances for showers confined to the Sacramento
   Mtns each afternoon.

 - Pleasant, fall-like temperatures across the lowlands Wednesday but
   quickly rebounds to the mid to upper 70s Thursday and through
   the weekend. Temperatures will still be below normal for this
   time of year.


&&

.DISCUSSION...
Issued at 1039 PM MDT Tue Sep 29 2026

Rain and storms associated with the remnants of Polo has mostly
exited the area but some lingering shower activity tonight is mostly
associated with a large upper low. The center of the upper low will
trek eastward through the day Wednesday but will only bring light
showery activity to the area as much of the moisture will be pushed
out which will also kill instability. In addition, winds will become
slightly breezier than what we`ve been seeing with west winds of 15-
20 mph. Heading into Thursday, the upper low will be lifting out of
the southwest CONUS and into the Plains but models are consistently
trying to suggest some lingering energy behind the trough that may
or may not pinch off into it`s own low. Not much to say regarding
the weather right now heading into Friday and Saturday other than
Friday will be slightly breezy, calm Saturday with chances for low
end rain chances for the area mountains, more particularly for the
Sacramento Mtns. More breezy afternoons ahead for Sunday and Monday.

&&

.AVIATION...
(06Z TAFS)
Issued at 1039 PM MDT Tue Sep 29 2026

Much quieter conditions starting tonight and through the TAF period.
Showers will continue to push out of the area tonight and diminish.
Light showers possible tomorrow afternoon at all terminals coupled
with some breeziness.

&&

.FIRE WEATHER...
Issued at 925 AM MDT Tue Sep 29 2026

Heavy rain will keep fire concerns low for today. Rain will be
seen all across the region as tropical moisture from Polo`s
remnants, as well as a Pacific low over Nevada, continues to
funnel in showers and thunderstorms. Heavy rain is expected to
taper off around midnight, but some lingering showers are possible
in the Gila Wednesday morning. Conditions for Thursday to
Saturday should be mainly dry.

Lowland Min RHs today will range from 60-80%, and mountain Min RHs
90-100%. Drier air on Wednesday will dip Min RHs in the lowlands
to 40-50% and 70-85% in the mountains. Min RHs from Thursday into
the weekend will range from 35-50% in the lowlands and 60-70% in
the mountains.

Breezy 20 ft south-southwesterly winds at 10-20 mph (gusts up to
30 mph east of the Rio Grande) will keep ventilation rates mainly
Poor today before improving to Good tomorrow as the mixing heights
increase to 5500-7000 feet from western New Mexico to eastern New
Mexico and far West Texas on Wednesday.

&&

.PRELIMINARY POINT TEMPS/POPS...
El Paso                  60  73  55  77 /  90  10  10   0
Sierra Blanca            59  73  52  74 /  80  20   0   0
Las Cruces               56  69  51  74 / 100  20  10   0
Alamogordo               57  70  52  73 / 100  20  10  10
Cloudcroft               42  49  37  55 / 100  30  20  10
Truth or Consequences    54  70  53  73 / 100  20  10   0
Silver City              50  62  47  71 / 100  30  10   0
Deming                   54  71  51  77 / 100  20  10   0
Lordsburg                53  68  52  75 / 100  20  10   0
West El Paso Metro       60  73  55  77 /  90  10  10   0
Dell City                62  75  54  76 /  90  10  10   0
Fort Hancock             63  81  57  82 /  70  10  10   0
Loma Linda               56  66  50  69 /  90  10  10   0
Fabens                   62  77  56  79 /  70  10  10   0
Santa Teresa             58  71  53  75 /  90  10  10   0
White Sands HQ           59  71  54  75 /  90  20  10   0
Jornada Range            56  69  51  75 / 100  20  10   0
Hatch                    56  72  53  77 / 100  20  10   0
Columbus                 57  73  55  77 /  90  10  10   0
Orogrande                57  69  51  72 / 100  20  10   0
Mayhill                  47  63  43  66 / 100  20  10  10
Mescalero                47  59  42  65 / 100  30  20  10
Timberon                 48  57  41  61 / 100  20  10  20
Winston                  46  64  45  68 / 100  20  10   0
Hillsboro                53  70  51  73 / 100  20  10   0
Spaceport                54  70  50  73 / 100  20  10   0
Lake Roberts             47  61  43  72 / 100  30  10   0
Hurley                   51  65  47  73 / 100  20  10   0
Cliff                    54  69  51  78 / 100  40  10   0
Mule Creek               50  64  48  75 / 100  50  10   0
Faywood                  52  65  49  71 /  90  20  10   0
Animas                   55  71  52  75 /  90  20  10   0
Hachita                  53  70  51  75 /  70  20  10   0
Antelope Wells           54  71  51  75 /  80  10  10   0
Cloverdale               52  65  50  71 /  90  10  10   0

&&

.EPZ WATCHES/WARNINGS/ADVISORIES...
TX...Flood Watch until 6 AM MDT Wednesday for Eastern/Central El Paso
     County-Northern Hudspeth Highlands/Hueco Mountains-Rio
     Grande Valley of Eastern El Paso/Western Hudspeth Counties-
     Rio Grande Valley of Eastern Hudspeth County-Salt Basin-
     Southern Hudspeth Highlands-Western El Paso County.

NM...Flood Watch until 6 AM MDT Wednesday for Central Grant
     County/Silver City Area-East Central Tularosa
     Basin/Alamogordo-East Slopes Sacramento Mountains Below
     7500 Feet-Eastern Black Range Foothills-Lowlands of the
     Bootheel-Northern Dona Ana County-Otero Mesa-Sacramento
     Mountains Above 7500 Feet-Sierra County Lakes-Southeast
     Tularosa Basin-Southern Dona Ana County/Mesilla Valley-
     Southern Gila Foothills/Mimbres Valley-Southern Gila Region
     Highlands/Black Range-Southwest Desert/Lower Gila River
     Valley-Southwest Desert/Mimbres Basin-Uplands of the
     Bootheel-Upper Gila River Valley-West Central Tularosa
     Basin/White Sands-West Slopes Sacramento Mountains Below
     7500 Feet.

&&

$$

FORECASTER...37-Slusher