314
FNUS75 KBOU 281030
FWSBOU
SPOT FORECAST FOR FAIR PILE RX...USFS
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
330 AM MST WED JAN 28 2026
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
UPPER RIDGING WILL BRING WARMING TEMPERATURES TO
THE BURN AREA TODAY. WINDS WILL BE FAIRLY WEAK TODAY WITH ONLY
A BRIEF PERIOD OF FAIR SMOKE DISPERSAL THIS AFTERNOON. A WEAK
UPPER LEVEL TROUGH PUSHES ACROSS THE AREA TONIGHT INTO THURSDAY
BRINGING LIGHT SNOW TO THE BURN AREA, ENDING BY THURSDAY
AFTERNOON. TOTAL SNOW ACCUMULATIONS WILL BE IN THE 2 TO 4
INCH RANGE. THURSDAY'S TEMPERATURES WILL COOL OFF FROM TODAY'S
HIGHS. WESTERLY WINDS WILL BE A BIT STRONGER ON THURSDAY AND
THERE WILL BE A BRIEF PERIOD OF GOOD SMOKE DISPERSAL IN THE
AFTERNOON.
TODAY
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) UNTIL 1200, THEN
MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF
SNOW AFTER 1700.
CWR.................5 PERCENT.
CHANCE OF PCPN......20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 28.
MIN HUMIDITY........37 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 11 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000, THEN 2500 FT AGL.
TRANSPORT WINDS.....WEST 8 TO 16 MPH UNTIL 1300, THEN 18 TO 23 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN FAIR UNTIL 1600, THEN
POOR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........34 35 36 39 41 44 51 59 67 71 75 79
WEATHER COV..... SCH
WEATHER TYPE.... SN
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 10
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 10 10 20
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............3 5 7 12 17 22 24 26 28 27 26 23
RH..............62 59 56 47 42 38 39 38 38 38 41 44
20 FT WIND DIR..W NW W W W W W W W W W W
20 FT WIND SPD..8 7 7 7 7 7 8 9 10 10 10 9
20 FT WIND GUST.13 12 12 12 12 13 14 16 17 17 17 17
MIX HGT (KFT)...0.6 0.7 0.7 0.9 1.2 1.7 1.9 2.0 2.3 2.7 2.0 1.4
TRANSP WIND DIR.NW W W W W W W W W W W W
TRANSP WIND SPD.10 8 8 9 10 14 16 20 21 22 21 18
VRATE KT-FT/1K..4 4 4 6 9 20 25 33 36 49 33 21
SMOKEDISPERSION.P P P P P P P P P F P P
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF SNOW
UNTIL 0200, THEN SNOW LIKELY UNTIL 0500, THEN
CHANCE OF SNOW.
CWR.................7 PERCENT INCREASING TO 25 PERCENT LATE IN THE
EVENING, THEN DECREASING TO 2 PERCENT EARLY IN
THE MORNING.
CHANCE OF PCPN......60 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 11.
MAX HUMIDITY........94 PERCENT.
WIND (20 FT)........WEST WINDS 7 TO 12 MPH WITH GUSTS TO AROUND 23
MPH UNTIL 0500, THEN AROUND 10 MPH WITH GUSTS
TO AROUND 21 MPH.
MIXING HEIGHT.......1100 FT AGL.
TRANSPORT WINDS.....WEST 18 TO 25 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........83 87 90 86 81 77 80 83 86 87 87 88
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC LKY LKY LKY 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 30 30 30 0
CHC OF PCPN (%).30 40 40 40 40 50 50 50 60 60 60 50
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............20 18 17 17 16 15 13 13 13 13 12 12
RH..............50 56 57 64 69 74 83 89 90 90 89 92
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..9 9 10 10 10 10 10 10 10 10 9 10
20 FT WIND GUST.16 17 18 18 18 23 23 22 22 21 21 21
MIX HGT (KFT)...1.1 1.1 1.1 1.4 1.2 1.2 1.2 1.4 1.6 1.6 1.3 1.5
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.18 20 22 24 25 24 22 24 24 24 22 22
VRATE KT-FT/1K..15 16 19 28 21 21 19 28 30 30 23 24
SMOKEDISPERSION.P P P P P P P P P P P P
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) UNTIL 1500, THEN
PARTLY CLOUDY (40-50 PERCENT). CHANCE OF SNOW
UNTIL 1400, THEN SLIGHT CHANCE OF SNOW UNTIL
1700.
CWR.................7 PERCENT.
CHANCE OF PCPN......50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 19.
MIN HUMIDITY........65 PERCENT.
WIND (20 FT)........WEST WINDS 9 TO 14 MPH WITH GUSTS TO AROUND 24
MPH.
MIXING HEIGHT.......2800 FT AGL.
TRANSPORT WINDS.....WEST 22 TO 28 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN FAIR UNTIL 1300, THEN
GOOD UNTIL 1500, THEN FAIR UNTIL 1700, THEN
POOR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........88 88 89 82 76 70 66 61 56 50 47 39
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC SCH SCH SCH
WEATHER TYPE....SN SN SN SN SN SN SN SN SN SN SN
TSTM COV........
CWR.............0 10 10 10 10 10 10 10 10 10 10 0
CHC OF PCPN (%).50 40 40 30 30 30 30 30 20 20 20 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............12 11 11 11 14 15 17 18 19 18 17 16
RH..............94 89 88 90 80 77 72 68 65 66 66 71
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..10 9 9 9 10 12 12 13 13 13 12 10
20 FT WIND GUST.21 21 21 22 23 24 24 24 24 24 24 23
MIX HGT (KFT)...1.4 1.3 1.7 2.3 2.6 2.8 2.9 3.2 3.4 2.8 2.1 1.4
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.22 22 22 23 22 24 25 26 28 25 24 22
VRATE KT-FT/1K..24 22 29 44 48 56 60 68 78 58 41 25
SMOKEDISPERSION.P P P F F F F G G F F P
FORECASTER...66
REQUESTED BY...JOHN.WEIL@USDA.GOV
TYPE OF REQUEST...PRESCRIBED
.TAG 2601073.1/BOU
.DELDT 01/28/26
.FORMATTERVERSION 2.0.0
.EMAIL JOHN.WEIL@USDA.GOV
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