257  
FNUS74 KEPZ 151553  
FWSEPZ  
 
SPOT FORECAST FOR COW CREEK FIRE...USFS  
NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM  
853 AM MST MON DEC 15 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0900 MST ON DECEMBER 15.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
COOL AND CLOUDY CONDITIONS THIS MORNING. SKIES GRADUALLY CLEAR OUT  
IN THE EARLY AFTERNOON BECOMING SUNNY BY MID-AFTERNOON TODAY. 20  
FOOT WINDS WILL BE LIGHT AND VARIABLE TODAY AND TONIGHT WITH SPEEDS  
TO 5 MPH. MIN RHS WILL BE THE HIGHEST TODAY (27%) COMPARED TO THE NEXT  
FEW DAYS. 18% TOMORROW, INCREASING SLIGHTLY TO THE LOW 20% RANGE  
THE NEXT COUPLE DAYS. LIGHT WINDS CONTINUE WITH SPEEDS GENERALLY TO  
5 MPH, POSSIBLY TO 10 MPH DURING THE AFTERNOON TIME FRAME. CONTINUED  
DRY CONDITIONS AND WARMING TEMPERATURES THE NEXT FEW DAYS.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 58.  
MIN HUMIDITY........29 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......3700 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 5 MPH SHIFTING TO THE SOUTHWEST 5  
TO 8 MPH IN THE LATE MORNING AND AFTERNOON.  
SMOKE DISPERSAL.....POOR (22000 KNOT-FT).  
 
TIME (MST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........54 44 39 38 11 8 3 3 3  
WEATHER COV.....NONENONENONENONENONENONENONENONENONE  
WEATHER TYPE....  
TSTM COV........NONENONENONENONENONENONENONENONENONE  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0  
TEMP............44 48 51 54 56 57 56 54 50  
RH..............40 35 33 31 29 29 30 32 37  
20 FT WIND DIR..S S S SW SW SW SW SW SW  
20 FT WIND SPD..3 3 3 2 2 2 2 2 2  
20 FT WIND GUST.8 8 8 9 9 9 9 9 9  
MIX HGT (KFT)...0.1 0.5 1.5 2.1 3.1 3.7 3.7 3.0 1.7  
TRANSP WIND DIR.E SW SW SW SW W W W W  
TRANSP WIND SPD.5 5 5 5 5 8 8 8 8  
VRATE KT-FT/1K..0 2 6 11 16 18 22 11 1  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR  
   
TONIGHT  
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 37.  
MAX HUMIDITY........47 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH  
OVERNIGHT.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 7 MPH SHIFTING TO THE NORTH 7 TO 8  
MPH IN THE LATE EVENING AND OVERNIGHT.  
SMOKE DISPERSAL.....POOR (0 KNOT-FT).  
 
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........4 4 4 3 3 3 2 2 2 1 1 1  
WEATHER COV.....NONENONENONENONENONENONENONENONENONENONENONENONE  
WEATHER TYPE....  
TSTM COV........NONENONENONENONENONENONENONENONENONENONENONENONE  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............47 46 44 44 43 42 41 41 40 40 40 39  
RH..............42 43 47 45 45 46 46 44 44 41 39 40  
20 FT WIND DIR..W W W N N N NE NE NE NE NE NE  
20 FT WIND SPD..2 2 2 4 4 4 5 5 5 5 5 5  
20 FT WIND GUST.7 7 7 10 10 10 10 10 10 12 12 12  
MIX HGT (KFT)...0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1  
TRANSP WIND DIR.W W W W N N N N N N N N  
TRANSP WIND SPD.7 7 7 7 7 7 7 7 8 8 8 8  
VRATE KT-FT/1K..0 0 0 0 0 0 0 0 0 0 0 0  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
TUESDAY  
 
SKY/WEATHER.........SUNNY (0-5 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 57.  
MIN HUMIDITY........19 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......3200 FT AGL.  
TRANSPORT WINDS.....NORTH 8 TO 13 MPH.  
SMOKE DISPERSAL.....POOR (0 KNOT-FT) EARLY IN THE MORNING BECOMING  
FAIR (42000 KNOT-FT) IN THE AFTERNOON.  
 
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........3 3 3 1 1 1 2 2 2 3 3 3  
WEATHER COV.....NONENONENONENONENONENONENONENONENONENONENONENONE  
WEATHER TYPE....  
TSTM COV........NONENONENONENONENONENONENONENONENONENONENONENONE  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............38 38 39 43 46 51 53 55 57 56 53 49  
RH..............40 40 37 35 31 24 22 19 19 19 21 24  
20 FT WIND DIR..NE NE NE N N N NW NW NW NW NW NW  
20 FT WIND SPD..4 4 4 3 3 3 4 4 4 5 5 5  
20 FT WIND GUST.10 10 10 10 10 10 13 13 13 13 13 13  
MIX HGT (KFT)...0.1 0.1 0.1 0.1 3.0 3.0 3.0 3.0 3.2 3.2 3.2 3.2  
TRANSP WIND DIR.N N N N N N N N NW NW NW NW  
TRANSP WIND SPD.8 8 8 8 13 13 13 13 12 12 12 12  
VRATE KT-FT/1K..0 0 0 0 3 11 29 41 42 32 14 0  
VENTRATE CAT....PR PR PR PR PR PR PR FR FR PR PR PR  
   
FORECAST DAYS 3 THROUGH 5  
   
WEDNESDAY  
 
CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S. LIGHT WINDS.    
THURSDAY  
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS AROUND 60. LIGHT  
WINDS.    
FRIDAY  
 
CLEAR. LOWS IN THE UPPER 30S. HIGHS AROUND 60. LIGHT WINDS.  
 
 
FORECASTER...SLUSHER  
REQUESTED BY...NMSDC  
TYPE OF REQUEST...WILDFIRE  
.TAG 2527661.0/EPZ  
.DELDT 12/15/25  
.FORMATTERVERSION 2.0.0  
.EMAIL NMSDC@FIRENET.GOV  
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