008
FNUS75 KBOU 161314
FWSBOU
SPOT FORECAST FOR SLACKWEISS...USFS - MEDICINE BOW ROUTT N.F.
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
614 AM MST TUE DEC 16 2025
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
EXPECT RELATIVELY STEADY SOUTHWEST WINDS TODAY WITH GUSTS GENERALLY IN
THE MID TEENS, AND MODERATE HUMIDITY THAT WILL LIKELY BE LOWEST DURING
THE MORNING HOURS. WINDS ARE UNLIKELY TO BE STRONG ENOUGH TO SUPPORT
ANY FAVORABLE SMOKE DISPERSAL TODAY.
SOUTHWEST WINDS WILL INCREASE STEADILY THROUGH THE DAY WEDNESDAY, PEAKING
IN THE AFTERNOON AND EVENING WHEN GUSTS MAY EXCEED 40 MPH. HUMIDITY LEVELS
WILL BE SLIGHTLY HIGHER AS WELL AS A STORM SYSTEM APPROACHES, WITH A CHANCE
OF SNOW SHOWERS DEVELOPING AS EARLY AS MIDDAY. THE HIGHER POTENTIAL FOR
PRECIPITATION WILL BE WEDNESDAY EVENING, WHEN A FEW HEAVIER SNOW BANDS
MAY ROLL THROUGH THE UNIT. SEVERAL HOURS OF FAVORABLE SMOKE DISPERSAL
CONDITIONS ARE EXPECTED WEDNESDAY AFTERNOON GIVEN THE STRONGER WINDS.
TOTAL SNOW ACCUMULATIONS THROUGH WEDNESDAY NIGHT ARE EXPECTED TO BE IN
THE 1 TO 4" RANGE.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT) UNTIL 1300, THEN
PARTLY CLOUDY (45-55 PERCENT) UNTIL 1400, THEN
MOSTLY CLOUDY (55-65 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 36.
MIN HUMIDITY........42 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8 TO 13 MPH.
MIXING HEIGHT.......1900 FT AGL UNTIL 1600, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....WEST 12 TO 17 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........11 18 21 49 64 61 58 51
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 0 0
TEMP............32 34 35 35 36 34 33 31
RH..............45 48 49 51 52 55 59 63
20 FT WIND DIR..SW SW SW SW SW SW SW SW
20 FT WIND SPD..9 9 9 8 8 8 7 6
20 FT WIND GUST.16 17 18 17 16 16 14 12
MIX HGT (KFT)...1.3 1.4 1.8 1.9 1.6 1.4 0.8 0.7
TRANSP WIND DIR.W W W W W W W SW
TRANSP WIND SPD.16 16 17 17 16 15 14 12
VRATE KT-FT/1K..18 20 27 28 22 18 10 7
SMOKEDISPERSION.P P P P P P P P
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 26.
MAX HUMIDITY........71 PERCENT.
WIND (20 FT)........SOUTH WINDS 8 TO 13 MPH. GUSTS UP TO 23 MPH
AFTER 3 AM.
MIXING HEIGHT.......BELOW 1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 12 TO 17 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........47 44 33 33 35 41 37 37 33 33 31 29
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............29 29 29 28 28 27 28 27 27 27 27 26
RH..............69 69 66 66 66 65 63 65 66 63 63 64
20 FT WIND DIR..SW SW S S S S S S S S S S
20 FT WIND SPD..8 8 8 9 9 10 10 10 12 12 13 13
20 FT WIND GUST.13 13 13 15 15 16 16 16 18 18 21 23
MIX HGT (KFT)...0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6
TRANSP WIND DIR.SW SW S S SW SW SW SW SW SW SW S
TRANSP WIND SPD.12 14 15 14 15 15 15 15 16 16 16 16
VRATE KT-FT/1K..6 7 8 7 8 8 8 8 9 8 8 8
SMOKEDISPERSION.P P P P P P P P P P P P
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) UNTIL 1000, THEN
MOSTLY CLOUDY (65-75 PERCENT). SNOW LIKELY
AFTER 1100 UNTIL 1700. SNOW AFTER 1700. PATCHY
BLOWING SNOW AFTER 1600.
CWR.................3 PERCENT INCREASING TO 68 PERCENT.
CHANCE OF PCPN......80 PERCENT.
MAX TEMPERATURE.....AROUND 37.
MIN HUMIDITY........56 PERCENT.
WIND (20 FT)........BREEZY. SOUTHWEST WINDS 14 TO 22 MPH WITH GUSTS
TO AROUND 36 MPH UNTIL 1300, THEN 20 TO 28 MPH
WITH GUSTS TO AROUND 47 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 2700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 18 TO 25 MPH UNTIL 1000, THEN 29 TO
37 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN FAIR UNTIL 1100, THEN
GOOD.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........31 29 33 36 56 75 78 82 85 86 86 88
WEATHER COV..... CHC CHC LKY LKY LKY LKY LKY DEF
WEATHER TYPE.... SN SN SN SN SN SN SN SN
TSTM COV........
CWR.............0 0 0 0 5 10 15 20 20 25 30 35
CHC OF PCPN (%).0 0 0 5 10 15 25 35 45 60 75 80
TEMP............28 27 29 32 34 35 35 36 36 36 35 33
RH..............66 71 66 60 57 56 58 62 63 70 78 78
20 FT WIND DIR..S S S SW SW SW SW SW SW SW W W
20 FT WIND SPD..14 15 16 17 18 20 21 22 23 24 25 26
20 FT WIND GUST.25 28 30 32 35 36 35 35 36 39 44 47
MIX HGT (KFT)...0.6 0.7 1.7 2.0 2.2 2.2 2.2 2.4 2.7 2.5 2.4 2.2
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW W W W
TRANSP WIND SPD.18 20 21 25 29 31 37 36 35 33 33 32
VRATE KT-FT/1K..10 12 30 44 55 60 70 75 80 74 68 63
SMOKEDISPERSION.P P P F F G G G G G G G
FORECASTER...RODRIGUEZ
REQUESTED BY...MATTHEW POLLEY
TYPE OF REQUEST...PRESCRIBED
.TAG 2527717.0/BOU
.DELDT 12/16/25
.FORMATTERVERSION 2.0.0
.EMAIL MATTHEW.POLLEY@USDA.GOV
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