880  
FNUS75 KBOU 301208  
FWSBOU  
 
SPOT FORECAST FOR DEER MOUNTAIN PILES...NPS  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
508 AM MST THU JAN 30 2025  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
MOSTLY SUNNY SKIES TODAY, WITH INCREASING  
NORTH-NORTHWESTERLY WINDS. THERE'S AN OUTSIDE CHANCE OF A LIGHT  
SNOW SHOWER OR TWO THIS MORNING, BUT CHANCES ARE THE AREA WILL  
STAY QUIET. THE INCREASED WINDS AND MIXING HEIGHTS WILL ALLOW FOR  
AT LEAST A FEW HOURS OF FAIR TO GOOD DISPERSAL TODAY. WINDS SHOULD  
SHIFT TO THE WEST OVERNIGHT WITH SIMILAR SPEEDS. A GRADUAL  
INCREASE IN THE WINDS IS FORECAST LATE TONIGHT INTO EARLY FRIDAY.  
MILD AND DRY CONDITIONS WILL PREVAIL TOMORROW WITH FAIR SMOKE  
DISPERSAL.  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) UNTIL 1300, THEN  
MOSTLY SUNNY (10-20 PERCENT). SLIGHT CHANCE OF  
SNOW SHOWERS UNTIL 1100.  
CHANCE OF PCPN......20 PERCENT.  
MAX TEMPERATURE.....AROUND 38.  
MIN HUMIDITY........29 PERCENT.  
WIND (20 FT)........NORTH WINDS 8 TO 13 MPH WITH GUSTS TO AROUND 21  
MPH UNTIL 1700, THEN NORTHWEST AROUND 9 MPH.  
MIXING HEIGHT.......2900 FT AGL.  
TRANSPORT WINDS.....NORTH 20 TO 26 MPH UNTIL 1600, THEN 13 TO 18  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN FAIR UNTIL 1100, THEN  
GOOD UNTIL 1500, THEN FAIR UNTIL 1600, THEN  
POOR.  
 
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........33 33 35 28 40 40 30 17 12 11 11 9  
WEATHER COV.....SCH SCH SCH SCH SCH  
WEATHER TYPE....SW SW SW SW SW  
TSTM COV........  
CHC OF PCPN (%).20 20 20 20 20 0 0 0 0 0 0 0  
TEMP............20 20 22 26 30 35 37 38 37 35 31 28  
RH..............49 47 43 40 37 30 31 29 32 33 37 40  
20 FT WIND DIR..N N N N N N N N N N NW NW  
20 FT WIND SPD..8 8 10 10 12 13 12 12 10 9 9 9  
20 FT WIND GUST.13 13 16 16 18 21 18 18 16 15 15 15  
MIX HGT (KFT)...1.5 1.5 1.5 1.8 2.3 3.1 3.5 3.6 3.6 3.3 1.8 1.5  
TRANSP WIND DIR.N N N N N N N N N N N NW  
TRANSP WIND SPD.20 20 20 20 23 25 26 23 23 20 15 16  
VRATE KT-FT/1K..25 25 25 30 46 67 79 73 73 56 23 21  
SMOKEDISPERSION.P P P P F G G G G F P P  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 19.  
MAX HUMIDITY........51 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 8 TO 13 MPH UNTIL 2400, THEN  
WEST 11 TO 16 MPH WITH GUSTS TO AROUND 29 MPH.  
MIXING HEIGHT.......1500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 18 TO 24 MPH.  
SMOKE DISPERSAL.....POOR.  
 
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........8 5 3 2 3 3 3 4 3 3 4 6  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............24 21 19 19 20 21 21 20 19 19 19 25  
RH..............43 49 51 49 47 43 45 45 47 47 45 35  
20 FT WIND DIR..NW NW NW W W W W W W W W W  
20 FT WIND SPD..9 9 10 10 12 12 13 13 14 14 14 14  
20 FT WIND GUST.15 15 16 16 18 18 21 21 22 22 22 29  
MIX HGT (KFT)...1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5  
TRANSP WIND DIR.NW NW NW NW NW NW NW NW W W W W  
TRANSP WIND SPD.18 18 18 18 20 21 22 22 23 24 24 24  
VRATE KT-FT/1K..23 23 23 23 25 26 28 28 29 31 31 31  
SMOKEDISPERSION.P P P P P P P P P P P P  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT) UNTIL 1400, THEN  
PARTLY CLOUDY (25-35 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 46.  
MIN HUMIDITY........23 PERCENT.  
WIND (20 FT)........WEST WINDS 12 TO 17 MPH WITH GUSTS TO AROUND 30  
MPH.  
MIXING HEIGHT.......2300 FT AGL.  
TRANSPORT WINDS.....WEST 21 TO 26 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR UNTIL 1600, THEN  
POOR.  
 
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........9 12 14 11 12 12 19 21 28 29 33 33  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............20 22 26 30 36 41 44 46 45 43 39 35  
RH..............43 39 35 32 28 25 24 23 25 27 28 33  
20 FT WIND DIR..W W W W W W W W W W W W  
20 FT WIND SPD..15 15 15 14 14 13 13 14 14 14 13 13  
20 FT WIND GUST.29 30 30 30 30 30 30 29 29 28 28 29  
MIX HGT (KFT)...1.5 1.5 1.4 1.5 1.7 2.0 2.2 2.3 2.3 2.1 1.8 1.6  
TRANSP WIND DIR.W W W W W W W W W W W W  
TRANSP WIND SPD.23 23 23 22 21 21 23 24 25 24 24 23  
VRATE KT-FT/1K..29 29 29 29 31 36 45 48 51 44 38 31  
SMOKEDISPERSION.P P P P P P F F F F P P  
   
FORECAST DAYS 3 THROUGH 5
 
   
SATURDAY
 
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE  
UPPER 20S. HIGHS IN THE LOWER 40S. WEST WINDS AROUND 17 MPH.    
SUNDAY
 
 
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS IN THE LOWER 30S.  
HIGHS IN THE UPPER 40S. WEST WINDS AROUND 16 MPH.    
MONDAY
 
 
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS IN THE MID 30S.  
HIGHS IN THE UPPER 40S. WEST WINDS AROUND 13 MPH.  
 

 
FORECASTER...HIRIS  
REQUESTED BY...FOX KNAPP  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2501567.2/BOU  
.DELDT 01/30/25  
.FORMATTERVERSION 2.0.0  
.EMAIL FKNAPP.NPS@GMAIL.COM  
 
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