331
FNUS75 KBOU 281056
FWSBOU
SPOT FORECAST FOR BOSWELL MACHINE PILES...U.S. FOREST SERVICE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
356 AM MST WED JAN 28 2026
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
FAIRLY STRONG DOWNSLOPING SOUTHWEST TO WESTERLY
WINDS CAN BE EXPECTED AT THE BURN AREA TODAY, TONIGHT AND
THURSDAY. GUSTS TO AROUND 30 MPH ARE EXPECTED ALL THREE PERIODS.
A WEAK UPPER TROUGH WILL MOVE ACROSS THE AREA TONIGHT AND
THURSDAY BRINGING A CHANCE OF LIGHT SNOW. ACCUMULATIONS UP TO
ONE INCH ARE POSSIBLE. THERE WILL BE A FEW HOURS OF GOOD SMOKE
DISPERSAL BOTH THIS AFTERNOON AND THURSDAY AFTERNOON. HIGH
TEMPERATURES WILL WARM IN THE THE MID 30S THIS AFTERNOON BUT
ONLY THE UPPER 20S ON THURSDAY AFTERNOON.
TODAY
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) UNTIL 1300, THEN
MOSTLY CLOUDY (60-70 PERCENT).
CWR.................4 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 37.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 11 TO 19 MPH WITH GUSTS TO
AROUND 26 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 2800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 20 TO 28 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR UNTIL 1300, THEN
GOOD UNTIL 1700, THEN POOR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........40 38 36 39 41 44 48 52 57 64 72 80
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............17 17 20 25 29 33 34 35 36 37 35 31
RH..............43 42 39 32 27 25 25 25 25 25 26 31
20 FT WIND DIR..SW SW SW SW SW SW SW SW W W W W
20 FT WIND SPD..15 15 15 15 15 15 15 15 15 15 15 15
20 FT WIND GUST.24 24 24 24 25 25 25 25 26 26 26 26
MIX HGT (KFT)...0.7 0.7 0.8 1.0 1.6 1.9 2.3 2.9 3.3 3.1 2.8 1.4
TRANSP WIND DIR.SW SW SW SW SW SW SW SW W W W W
TRANSP WIND SPD.20 21 22 23 23 23 24 25 26 26 28 21
VRATE KT-FT/1K..12 13 15 21 32 37 48 65 77 72 68 25
SMOKEDISPERSION.P P P P P P F G G G G P
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
SNOW UNTIL 2000, THEN CHANCE OF SNOW.
CWR.................6 PERCENT INCREASING TO 18 PERCENT LATE IN THE
EVENING, THEN DECREASING TO 7 PERCENT EARLY IN
THE MORNING.
CHANCE OF PCPN......40 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 16.
MAX HUMIDITY........81 PERCENT.
WIND (20 FT)........WEST WINDS 12 TO 17 MPH WITH GUSTS TO AROUND 29
MPH.
MIXING HEIGHT.......1200 FT AGL UNTIL 1900, THEN BELOW 1000 FT AGL
UNTIL 2100, THEN 1000 FT AGL UNTIL 2200, THEN
BELOW 1000 FT AGL.
TRANSPORT WINDS.....WEST 18 TO 24 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........78 75 73 72 71 70 70 71 71 70 70 69
WEATHER COV.....SCH SCH CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....SN SN SN SN SN SN SN SN SN SN SN SN
TSTM COV........
CWR.............10 10 10 10 10 20 20 20 20 20 20 10
CHC OF PCPN (%).20 20 30 30 30 30 30 30 40 40 40 30
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............30 26 26 24 23 22 21 20 20 20 19 18
RH..............34 40 44 53 61 66 73 76 76 76 78 79
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..15 16 16 16 15 14 14 13 13 13 13 13
20 FT WIND GUST.26 28 28 28 26 29 28 26 25 24 24 24
MIX HGT (KFT)...1.2 0.7 0.8 1.0 0.8 0.8 0.7 0.8 0.8 0.8 0.7 0.8
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.18 21 23 24 21 20 20 21 20 20 18 18
VRATE KT-FT/1K..19 13 16 21 14 14 13 15 13 13 12 13
SMOKEDISPERSION.P P P P P P P P P P P P
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) UNTIL 1000, THEN
PARTLY CLOUDY (35-45 PERCENT) UNTIL 1700, THEN
MOSTLY SUNNY (20-30 PERCENT). SLIGHT CHANCE OF
SNOW UNTIL 0700.
CWR.................6 PERCENT.
CHANCE OF PCPN......20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 28.
MIN HUMIDITY........51 PERCENT.
WIND (20 FT)........WEST WINDS 11 TO 19 MPH WITH GUSTS TO AROUND 31
MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 2700 FT AGL.
TRANSPORT WINDS.....WEST 18 TO 26 MPH UNTIL 1300, THEN 23 TO 28
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN FAIR UNTIL 1100, 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 (%).........69 69 68 59 50 41 37 33 29 28 26 25
WEATHER COV.....SCH
WEATHER TYPE....SN
TSTM COV........
CWR.............10 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).20 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............18 17 18 22 24 25 26 27 28 27 26 24
RH..............78 81 76 68 62 59 56 52 51 52 55 60
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..13 13 14 15 16 17 17 17 16 15 15 14
20 FT WIND GUST.25 26 26 28 30 31 31 31 31 30 29 28
MIX HGT (KFT)...0.9 0.9 1.3 2.0 2.6 3.0 3.3 3.4 3.5 2.8 2.0 1.2
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.18 18 20 22 23 23 26 28 28 26 24 23
VRATE KT-FT/1K..14 14 21 38 52 60 77 81 85 63 43 25
SMOKEDISPERSION.P P P P F G G G G G F P
FORECASTER...66
REQUESTED BY...EVAN GOVER
TYPE OF REQUEST...PRESCRIBED
.TAG 2600998.2/BOU
.DELDT 01/28/26
.FORMATTERVERSION 2.0.0
.EMAIL EVAN.GOVER@USDA.GOV
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