779  
FNUS74 KEPZ 251219  
FWSEPZ  
 
SPOT FORECAST FOR RX ARRASTRA...GILA NATIONAL FOREST  
NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM  
619 AM MDT FRI SEP 25 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 MDT ON SEPTEMBER 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
DRIER AIR MOVES INTO THE REGION TODAY WITH A LOWER CHANCE OF  
THUNDERSTORMS (10-20%) THIS AFTERNOON. WINDS WILL BE 5 TO 10 MPH  
FROM THE SOUTHEAST, SHIFTING SOUTH THIS AFTERNOON. VENTILATION WILL  
IMPROVE FOR TODAY, REACHING THE GOOD CATEGORY THIS AFTERNOON.  
TEMPERATURES REMAIN BELOW NORMAL WITH EXCELLENT OVERNIGHT RECOVERIES.  
THE DRYING TREND CONTINUES FOR THE WEEKEND WITH NO CHANCE OF RAIN  
FOR SATURDAY AND SLIGHT CHANCES RETURNING ON SUNDAY. WINDS REMAIN  
LIGHT THIS WEEKEND, SHIFTING SOUTHWEST DURING THE DAY. MEDIUM-HIGH  
RAIN/STORM CHANCES ARE FORECAST MONDAY AND TUESDAY WITH A RISK  
OF FLASH FLOODING EACH DAY.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS LATE IN THE AFTERNOON.  
CHANCE OF PCPN......20 PERCENT.  
MAX TEMPERATURE.....AROUND 69.  
MIN HUMIDITY........59 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 7 TO 8 MPH SHIFTING TO THE  
SOUTH AROUND 8 MPH LATE IN THE AFTERNOON. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......6200 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 9 MPH SHIFTING TO THE SOUTH 10  
TO 13 MPH LATE IN THE MORNING.  
SMOKE DISPERSAL.....GOOD (71100 KNOT-FT).  
 
TIME (MDT) 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........53 49 19 29 41  
WEATHER COV.....NONE NONE NONE NONE S CHC  
WEATHER TYPE....NONE NONE NONE NONE RNSHWR  
TSTM COV........NONE NONE NONE NONE S CHC  
CHC OF PCPN (%).10 10 10 10 20  
TEMP............52 59 64 63 66  
RH..............100 93 75 75 65  
20 FT WIND......SE 7 SE 7 S 8 S 8 S 8  
20 FT WIND GUST.13 13 17 17 17  
MIX HGT (FT)....1100 2700 5100 6200 6100  
TRANSPORT WIND..E 9 S 9 S 12 S 13 S 13  
VRATE KT-FT/1K..9 25 48 68 71  
VENTRATE CAT....POOR POOR FAIR GOOD GOOD  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....AROUND 51.  
MAX HUMIDITY........89 PERCENT.  
WIND (20 FT)........SOUTH WINDS AROUND 7 MPH SHIFTING TO THE EAST  
AROUND 5 MPH LATE IN THE EVENING, THEN BECOMING  
LIGHT OVERNIGHT.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 7 TO 13 MPH SHIFTING TO THE SOUTHEAST  
AROUND 7 MPH IN THE LATE EVENING AND OVERNIGHT,  
THEN SHIFTING TO THE EAST AROUND 6 MPH EARLY IN  
THE MORNING.  
SMOKE DISPERSAL.....GOOD (60200 KNOT-FT).  
 
TIME (MDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........20 20 20 30 30 23  
WEATHER COV.....NONE NONE NONE NONE NONE NONE  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........NONE NONE NONE NONE NONE NONE  
CHC OF PCPN (%).10 10 0 0 0 0  
TEMP............68 61 55 54 54 53  
RH..............59 72 83 86 83 83  
20 FT WIND......S 7 S 7 E 5 E 4 E 4 E 4  
20 FT WIND GUST.15 15 9 9 9 8  
MIX HGT (FT)....5500 500 500 500 500 500  
TRANSPORT WIND..W 13 SW 7 SE 7 E 7 SE 7 E 7  
VRATE KT-FT/1K..60 20 0 3 3 3  
VENTRATE CAT....GOOD POOR POOR POOR POOR POOR  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 73.  
MIN HUMIDITY........44 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 7 TO 8 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......7300 FT AGL.  
TRANSPORT WINDS.....EAST 6 TO 7 MPH SHIFTING TO THE SOUTHWEST 6 TO  
10 MPH IN THE LATE MORNING AND EARLY AFTERNOON,  
THEN SHIFTING TO THE WEST AROUND 10 MPH LATE IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (64700 KNOT-FT).  
 
TIME (MDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........22 22 31 33  
WEATHER COV.....NONE NONE NONE NONE  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........NONE NONE NONE NONE  
CHC OF PCPN (%).0 0 0 0  
TEMP............53 57 69 71  
RH..............83 86 53 47  
20 FT WIND......E 4G8 E 4G9 SW 7G15 SW 8G17  
MIX HGT (FT)....500 1100 6600 7300  
TRANSPORT WIND..E 7 E 6 SW 8 SW 10  
VRATE KT-FT/1K..3 6 53 65  
VENTRATE CAT....POOR POOR FAIR GOOD  
   
FORECAST DAYS 3 THROUGH 5
 
   
SUNDAY
 
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS  
IN THE LOWER 50S. HIGHS IN THE MID 70S. NORTHEAST WINDS AROUND  
5 MPH.    
MONDAY
 
 
MOSTLY CLOUDY. SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. LOWS  
IN THE MID 50S. HIGHS IN THE LOWER 70S. NORTH WINDS AROUND 6 MPH.   
TUESDAY
 
 
SHOWERS AND CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS  
IN THE MID 60S. SOUTH WINDS AROUND 8 MPH.  
 

 
FORECASTER...ARONSON  
REQUESTED BY...SILVER CITY INTERAGENCY DISPATCH CENTER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2622435.2/EPZ  
.DELDT 09/25/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MMUNOZ@BLM.GOV,GROMERO@BLM.GOV,NMSDC@FIRENET.GOV,JSELBY@BLM.GOV  
 
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