498
FNUS75 KBOU 120827
FWSBOU
SPOT FORECAST FOR DEADMAN ROADSIDE- 517 PILES...US FOREST SERVICE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
127 AM MST MON JAN 12 2026
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WINDS WILL MAINTAIN A WESTERLY COMPONENT (ROUGHLY
270-300 DEGREES) THROUGH THE FORECAST PERIOD. ON MONDAY, WINDS
ARE EXPECTED TO BE 10-15 MPH WITH GUSTS BETWEEN 20-25 MPH.
TEMPERATURES WILL BE IN THE LOW TO MID 30S WITH MINIMUM RELATIVE
HUMIDITY VALUES BETWEEN 40-45%. EXPECTING POOR SMOKE DISPERSAL
THROUGH MONDAY WITH MIXING HEIGHTS STAYING BELOW 1,500 FEET AND
SUBSIDENCE ALOFT.
SLIGHTLY STRONGER WINDS AND HIGHER MIXING HEIGHTS ARE EXPECTED ON
TUESDAY THAT WILL ALLOW FOR A FEW HOURS OF FAIR SMOKE DISPERSAL
CONDITIONS AFTER NOON. WESTERLY WINDS ARE EXPECTED TO BE 15-20
MPH WITH GUSTS BETWEEN 25-35 MPH, AND MIXING HEIGHTS WILL CLIMB
TO ABOUT 2,200 FEET. RELATIVE HUMIDITY VALUES WILL ALSO BE
SLIGHTLY HIGHER, RANGING FROM 45-50% IN THE AFTERNOON.
TODAY
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) UNTIL 0700, THEN
MOSTLY SUNNY (10-20 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 35.
MIN HUMIDITY........42 PERCENT.
WIND (20 FT)........WEST WINDS 11 TO 16 MPH WITH GUSTS TO AROUND 24
MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1100, THEN 1500 FT AGL
UNTIL 1600, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....WEST 17 TO 22 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........30 21 19 14 15 14 16 10 9 12 14 22
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 0
TEMP............18 19 20 25 29 32 33 34 35 33 31 29
RH..............59 57 56 48 44 43 43 43 42 44 47 50
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..14 13 14 13 13 13 13 13 14 13 14 13
20 FT WIND GUST.22 22 22 22 22 22 23 23 24 24 24 23
MIX HGT (KFT)...0.1 0.1 0.1 0.2 0.6 1.0 1.2 1.3 1.5 1.2 0.4 0.1
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.20 17 20 18 18 21 21 22 21 21 17 17
VRATE KT-FT/1K..0 0 0 3 9 19 22 24 27 21 6 2
SMOKEDISPERSION.P P P P P P P P P P P P
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 19.
MAX HUMIDITY........71 PERCENT.
WIND (20 FT)........WEST WINDS 12 TO 17 MPH WITH GUSTS TO AROUND 25
MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL.
TRANSPORT WINDS.....WEST 17 TO 22 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........30 21 17 10 13 22 22 23 23 28 33 32
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 0
TEMP............26 24 24 23 22 22 22 22 21 21 21 20
RH..............58 59 56 59 62 60 60 63 65 65 69 71
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..13 13 14 14 14 14 14 15 15 15 14 13
20 FT WIND GUST.23 23 24 24 24 24 24 25 25 25 25 25
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 W W W W W W W W
TRANSP WIND SPD.17 17 18 17 17 17 18 20 21 21 22 20
VRATE KT-FT/1K..0 0 0 0 0 0 0 1 1 1 1 1
SMOKEDISPERSION.P P P P P P P P P P P P
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) UNTIL 0700, THEN
PARTLY CLOUDY (40-50 PERCENT) UNTIL 1700, THEN
MOSTLY CLOUDY (45-55 PERCENT).
CWR.................4 PERCENT.
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 33.
MIN HUMIDITY........50 PERCENT.
WIND (20 FT)........WEST WINDS 12 TO 17 MPH WITH GUSTS TO AROUND 32
MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000, THEN 2200 FT AGL
UNTIL 1600, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....WEST 21 TO 30 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR UNTIL 1500, THEN
POOR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........61 50 41 46 46 45 44 43 42 45 48 51
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
TEMP............21 22 23 26 29 31 32 33 33 32 30 28
RH..............66 66 63 56 52 51 50 51 52 53 55 57
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..13 13 13 13 14 14 14 15 15 15 14 14
20 FT WIND GUST.26 28 28 28 29 29 30 31 32 32 32 31
MIX HGT (KFT)...0.1 0.1 0.1 0.6 1.1 1.5 1.9 2.2 2.2 1.7 0.9 0.3
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.21 21 23 24 25 28 29 30 30 28 25 23
VRATE KT-FT/1K..1 1 2 12 23 36 48 57 57 40 20 6
SMOKEDISPERSION.P P P P P P F F F P P P
FORECASTER...BONNER
REQUESTED BY...CHRIS MARSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2528647.0/BOU
.DELDT 01/12/26
.FORMATTERVERSION 2.0.0
.EMAIL DENNIS.FINNEGAN@USDA.GOV,CHRISTOPHER.MARSON@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page