199
FNUS75 KBOU 251240
FWSBOU
SPOT FORECAST FOR FRONT COUNTRY RX...DOI/NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
540 AM MST TUE NOV 25 2025
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
NORTHWESTERLY FLOW ALOFT WILL CONTINUE OVER THE BURN
AREA TODAY. WEST WINDS GUSTING UP TO 35 MPH CAN BE EXPECTED THIS
MORNING THEN THEY WILL DECREASE IN SPEED THIS AFTERNOON. ISOLATED
LIGHT SNOW SHOWERS CAN BE EXPECTED THROUGH THE DAY WITH PARTLY
TO MOSTLY CLOUDY SKIES. HUMIDITY LEVELS WILL DROP INTO THE 25
TO 30 PERCENT RANGE THIS AFTERNOON WHILE TEMPERATURES WILL STAY IN
THE 30S ALL DAY.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) UNTIL 1200, THEN
PARTLY CLOUDY (35-45 PERCENT) UNTIL 1500, THEN
MOSTLY SUNNY (10-20 PERCENT).
CWR.................3 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 37.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........WEST WINDS 7 TO 14 MPH WITH GUSTS TO AROUND 22
MPH UNTIL 1700, THEN SOUTHWEST AROUND 6 MPH.
MIXING HEIGHT.......5800 FT AGL UNTIL 1700, THEN 3000 FT AGL.
TRANSPORT WINDS.....WEST 25 TO 33 MPH UNTIL 1000, THEN 29 TO 35 MPH
UNTIL 1400, THEN 22 TO 27 MPH UNTIL 1600, THEN
12 TO 17 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 0800, THEN GOOD UNTIL 0900, THEN
VERY GOOD UNTIL 1200, THEN EXCELLENT UNTIL
1400, THEN VERY GOOD UNTIL 1600, THEN GOOD
UNTIL 1700, THEN POOR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........76 71 67 63 58 54 46 39 31 23 16 8
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).10 10 10 10 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............26 24 28 32 34 35 36 37 36 35 34 29
RH..............50 52 42 36 32 29 28 26 24 25 25 31
20 FT WIND DIR..W W W W W W W W W W W SW
20 FT WIND SPD..13 13 13 13 14 14 13 12 10 9 7 6
20 FT WIND GUST.21 21 21 21 22 22 21 18 16 15 12 16
MIX HGT (KFT)...2.3 2.4 3.5 4.3 5.0 5.3 6.0 6.1 6.2 6.0 4.6 3.0
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.29 25 29 33 35 31 31 29 25 23 17 12
VRATE KT-FT/1K..58 52 88 124 149 143 162 153 136 120 68 30
SMOKEDISPERSION.F F G VG VG VG E E VG VG G P
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).
CWR.................4 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 19.
MAX HUMIDITY........56 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH UNTIL 2000, THEN
WEST 6 TO 12 MPH WITH GUSTS TO AROUND 37 MPH.
MIXING HEIGHT.......2300 FT AGL.
TRANSPORT WINDS.....WEST 12 TO 21 MPH UNTIL 2400. AROUND 33 MPH
AFTER 0500.
SMOKE DISPERSAL.....POOR UNTIL 1900. GOOD AFTER 0500.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........11 13 11 18 17 16 24 31 39 40 41 37
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............26 25 23 24 24 24 24 23 23 23 21 25
RH..............36 40 41 41 41 41 43 47 50 50 56 48
20 FT WIND DIR..SW SW W W W W W W W W W W
20 FT WIND SPD..5 5 5 5 5 5 6 7 8 9 10 13
20 FT WIND GUST.14 14 14 14 14 15 17 21 24 28 31 37
MIX HGT (KFT)...2.6 2.4 2.3 2.3 2.4 2.3 2.4 2.4 2.6 2.5 2.6 2.6
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.12 14 15 16 18 21 23 24 26 30 32 33
VRATE KT-FT/1K..26 28 30 33 38 42 48 51 59 64 73 76
SMOKEDISPERSION.P P P P P F F F F G G G
FORECASTER...RJK
REQUESTED BY...AARON KLEE
TYPE OF REQUEST...PRESCRIBED
.TAG 2526184.4/BOU
.DELDT 11/24/25
.FORMATTERVERSION 2.0.0
.EMAIL AARON_KLEE@NPS.GOV,NATHAN_HALLAM@NPS.GOV
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