600
FNUS75 KBOU 120817
FWSBOU
SPOT FORECAST FOR COW CREEK RX...USFS
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
117 AM MST MON JAN 12 2026
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WINDS WILL MAINTAIN A WESTERLY COMPONENT (260-290 DEG) THROUGH
THE FORECAST PERIOD. ON MONDAY, WINDS ARE EXPECTED TO BE 12-20
MPH WITH GUSTS BETWEEN 25-35 MPH. TEMPERATURES WILL BE IN THE MID
TO UPPER 30S WITH MINIMUM RELATIVE HUMIDITY VALUES BETWEEN
35-40%. EXPECTING POOR SMOKE DISPERSAL THROUGH MONDAY WITH MIXING
HEIGHTS STAYING BELOW 1,800 FEET AND SUBSIDENCE ALOFT.
SLIGHTLY STRONGER WINDS AND HIGHER MIXING HEIGHTS ARE EXPECTED ON
TUESDAY THAT WILL ALLOW FOR A FEW HOURS OF FAIR TO GOOD SMOKE
DISPERSAL CONDITIONS AFTER 1100. WESTERLY WINDS ARE EXPECTED TO
BE 15-25 MPH WITH GUSTS BETWEEN 35-40 MPH, AND MIXING HEIGHTS WILL
CLIMB TO ABOUT 2,400 FEET. RELATIVE HUMIDITY VALUES WILL ALSO BE
SLIGHTLY HIGHER, RANGING FROM 40-45% IN THE AFTERNOON.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 38.
MIN HUMIDITY........36 PERCENT.
WIND (20 FT)........WEST WINDS 12 TO 20 MPH WITH GUSTS TO AROUND 31
MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1100, THEN 1800 FT AGL
UNTIL 1600, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........23 15 20 12 13 17 16 11 8 12 14 23
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
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............22 24 25 30 33 36 37 38 38 37 35 32
RH..............52 48 48 40 37 36 36 37 37 38 42 47
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..17 16 16 16 15 15 15 15 15 16 16 16
20 FT WIND GUST.31 31 31 30 29 28 28 28 29 29 30 29
MIX HGT (KFT)...0.1 0.1 0.2 0.3 0.9 1.1 1.4 1.5 1.8 1.5 0.7 0.2
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.21 21 21 22 22 22 24 24 24 24 21 20
VRATE KT-FT/1K..2 2 3 5 17 20 30 33 38 31 12 4
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.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 24.
MAX HUMIDITY........62 PERCENT.
WIND (20 FT)........WEST WINDS 14 TO 22 MPH WITH GUSTS TO AROUND 36
MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL.
TRANSPORT WINDS.....WEST 20 TO 29 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........27 19 14 9 12 21 22 23 24 29 35 35
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
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............30 29 28 28 27 28 28 27 27 27 26 25
RH..............50 50 50 50 53 48 49 53 55 56 58 62
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..16 16 16 16 16 16 17 18 20 20 18 18
20 FT WIND GUST.29 30 31 31 32 32 33 33 35 35 36 36
MIX HGT (KFT)...0.2 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.20 22 22 21 21 21 21 24 26 28 29 25
VRATE KT-FT/1K..3 2 2 1 1 1 1 2 2 2 2 3
SMOKEDISPERSION.P P P P P P P P P P P P
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
CWR.................4 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 36.
MIN HUMIDITY........42 PERCENT.
WIND (20 FT)........WEST WINDS 14 TO 22 MPH UNTIL 1600, THEN 13 TO
21 MPH. GUSTS UP TO 38 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000, THEN 2200 FT AGL
UNTIL 1700, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....WEST 29 TO 36 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN FAIR UNTIL 1300, 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 (%).........50 46 36 30 36 42 41 40 39 42 44 47
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 26 27 31 33 34 35 36 36 35 33 31
RH..............56 56 54 49 45 43 42 44 46 49 52 55
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..18 18 18 18 17 17 17 17 17 17 17 17
20 FT WIND GUST.36 36 37 37 36 36 37 37 38 38 38 38
MIX HGT (KFT)...0.1 0.2 0.2 0.7 1.1 1.6 2.0 2.3 2.4 1.8 1.0 0.4
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.29 29 31 31 31 32 33 36 36 35 32 30
VRATE KT-FT/1K..3 4 6 18 30 43 58 73 73 55 29 10
SMOKEDISPERSION.P P P P P F F G G F P P
FORECASTER...BONNER
REQUESTED BY...JOSE DOCKENS
TYPE OF REQUEST...PRESCRIBED
.TAG 2528612.0/BOU
.DELDT 01/12/26
.FORMATTERVERSION 2.0.0
.EMAIL JOSE.DOCKENS@USDA.GOV
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