451
FNUS75 KBOU 271213
FWSBOU
SPOT FORECAST FOR BOSWELL MACHINE PILES...U.S. FOREST SERVICE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
513 AM MST TUE JAN 27 2026
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DECENT WESTERLY WINDS CAN BE EXPECTED AT THE BURN
AREA TODAY, TONIGHT AND ON WEDNESDAY. GUSTS TO AROUND 30 MPH ARE
POSSIBLE ALL THREE PERIODS. SKIES WILL BE CLOUDY THIS MORNING
WITH DECREASING CLOUDS THIS AFTERNOON. PARTLY CLOUDY SKIES ARE
EXPECTED TONIGHT. PRECIPITATION IS NOT EXPECTED TODAY OR TONIGHT.
ON WEDNESDAY, CLOUDINESS WILL INCREASE THROUGH THE DAY WITH A
SLIGHT CHANCE OF LIGHT SNOW SHOWERS BY LATE AFTERNOON. THERE WILL
BE A PERIOD OF VERY GOOD SMOKE DISPERSAL THIS AFTERNOON, WITH A
PERIOD OF GOOD SMOKE DISPERSAL ON WEDNESDAY AFTERNOON.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) UNTIL 1000, THEN
PARTLY CLOUDY (30-40 PERCENT) UNTIL 1100, THEN
MOSTLY SUNNY (10-20 PERCENT).
CWR.................3 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
MAX TEMPERATURE.....AROUND 32.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 14 TO 22 MPH UNTIL 1300, THEN
WEST 12 TO 20 MPH. GUSTS UP TO 32 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 2200 FT AGL
UNTIL 1100, THEN 5300 FT AGL UNTIL 1700, THEN
1200 FT AGL.
TRANSPORT WINDS.....WEST 22 TO 31 MPH UNTIL 1300, THEN 29 TO 34 MPH
UNTIL 1700, THEN AROUND 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN FAIR UNTIL 1100, THEN
GOOD UNTIL 1200, THEN VERY GOOD UNTIL 1400,
THEN EXCELLENT UNTIL 1500, THEN VERY GOOD UNTIL
1700, THEN POOR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........74 75 76 56 36 16 15 14 13 13 12 12
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............15 15 17 21 25 28 30 31 31 32 30 27
RH..............41 48 49 45 40 35 32 29 29 29 31 35
20 FT WIND DIR..SW SW SW W W W W W W W W W
20 FT WIND SPD..20 18 17 16 15 15 16 16 17 17 16 15
20 FT WIND GUST.25 25 26 28 29 30 31 32 32 31 30 29
MIX HGT (KFT)...0.7 0.7 1.0 1.5 2.4 3.7 4.8 5.3 5.4 4.9 4.2 1.2
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.23 22 22 23 28 30 31 32 32 33 30 20
VRATE KT-FT/1K..15 14 18 29 57 96 130 148 151 141 108 20
SMOKEDISPERSION.P P P P F G VG VG E VG VG P
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT) UNTIL 0500, THEN
MOSTLY CLOUDY (50-60 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 14.
MAX HUMIDITY........51 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 12 TO 17 MPH. GUSTS UP TO 26
MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 1900, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 18 TO 23 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........11 9 13 20 16 11 15 19 23 32 42 55
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............24 20 19 19 18 18 18 18 17 17 17 16
RH..............41 48 48 46 50 50 49 47 49 49 49 51
20 FT WIND DIR..W W W W W W SW SW SW SW SW SW
20 FT WIND SPD..15 14 14 14 14 14 14 15 15 15 15 14
20 FT WIND GUST.26 25 25 24 23 23 23 24 24 24 25 24
MIX HGT (KFT)...1.0 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7
TRANSP WIND DIR.W W W W W SW SW SW SW SW SW SW
TRANSP WIND SPD.18 18 20 18 18 20 20 20 21 22 23 22
VRATE KT-FT/1K..16 11 12 12 11 12 12 12 13 13 14 14
SMOKEDISPERSION.P P P P P P P P P P P P
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) UNTIL 0800, THEN
PARTLY CLOUDY (35-45 PERCENT) UNTIL 1500, THEN
MOSTLY CLOUDY (50-60 PERCENT).
CWR.................4 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 36.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 11 TO 16 MPH WITH GUSTS TO
AROUND 28 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 2500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 24 TO 31 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN FAIR UNTIL 1300, THEN
GOOD UNTIL 1600, THEN FAIR UNTIL 1700, THEN
POOR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........63 55 37 35 40 44 45 46 47 51 55 59
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 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............18 18 17 21 26 30 34 36 36 35 33 30
RH..............45 45 44 35 32 31 29 28 28 29 31 35
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW W W
20 FT WIND SPD..14 14 14 14 14 14 14 14 14 14 13 13
20 FT WIND GUST.24 24 25 25 26 26 26 28 28 28 26 26
MIX HGT (KFT)...0.7 0.8 0.8 1.0 1.4 1.8 2.3 2.7 2.9 2.5 1.8 1.2
TRANSP WIND DIR.SW SW SW SW SW SW W W W W W W
TRANSP WIND SPD.25 26 25 25 25 26 29 30 31 29 25 24
VRATE KT-FT/1K..16 18 18 23 30 42 58 71 78 62 40 26
SMOKEDISPERSION.P P P P P F F G G G F P
FORECASTER...RJK
REQUESTED BY...EVAN GOVER
TYPE OF REQUEST...PRESCRIBED
.TAG 2600998.1/BOU
.DELDT 01/27/26
.FORMATTERVERSION 2.0.0
.EMAIL EVAN.GOVER@USDA.GOV
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