143
FNUS75 KBOU 072319
FWSBOU
SPOT FORECAST FOR WINDY GAP...BLM
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
519 PM MDT THU AUG 7 2025
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
..RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING
..RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM MDT FRIDAY
DISCUSSION
GUSTY WEST WINDS WILL EASE IN THE EVENING. THE
THREAT OF STRONGER WINDS FROM SHOWER OUTFLOW IS VERY LOW THIS
EVENING. WINDS WILL BE A LITTLE STRONGER ON FRIDAY AFTERNOON, BUT
THE THREAT OF ANY SHOWER OUTFLOW IS STILL VERY LOW. IT WILL BE A
LITTLE COOLER WITH HIGHER HUMIDITIES AS MOISTURE INCREASES ON
SATURDAY, WITH ISOLATED SHOWERS. THERE WILL BE SOME MODERATION IN
BOTH HUMIDITIES AND WINDS INTO EARLY NEXT WEEK, BUT STILL NOT MUCH
CHANCE OF WETTING RAIN.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) UNTIL 2100, THEN MOSTLY CLEAR.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 43.
MAX HUMIDITY........52 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30
MPH UNTIL 2100, THEN WEST 5 TO 10 MPH.
MIXING HEIGHT.......11300 FT AGL UNTIL 1900. 1300 FT AGL AFTER
2000.
TRANSPORT WINDS.....WEST 21 TO 30 MPH UNTIL 2000, THEN 9 TO 18 MPH.
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900, THEN GOOD UNTIL 2000,
THEN POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........39 35 29 17 15 11 12 9 13 10 19 14
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............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............79 77 72 65 61 58 55 52 49 47 45 45
RH..............14 15 18 23 26 30 34 38 42 43 48 48
20 FT WIND DIR..W W W W SW SW W W SW W SW W
20 FT WIND SPD..14 13 12 10 10 7 7 7 6 6 5 6
20 FT WIND GUST.30 22 20 16 16 12 12 12 10 9 8 9
MIX HGT (KFT)...11 5.1 1.5 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3
TRANSP WIND DIR.W W W W W SW SW W W W W W
TRANSP WIND SPD.27 19 18 15 13 9 9 10 10 10 9 9
VRATE KT-FT/1K..263 84 22 14 13 11 11 12 12 12 10 11
SMOKEDISPERSION.E G P P P P P P P P P P
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT) UNTIL 1600, THEN
PARTLY CLOUDY (35-45 PERCENT).
CWR.................1 PERCENT.
CHANCE OF THUNDER...6 PERCENT.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........13 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH UNTIL 1000, THEN INCREASING
TO 12 TO 20 MPH WITH GUSTS TO AROUND 35 MPH AFTER 1200.
MIXING HEIGHT.......2300 FT AGL UNTIL 0900. 13300 FT AGL AFTER
1200.
TRANSPORT WINDS.....WEST 10 MPH 0900, THEN INCREASING TO WEST 30 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN VERY GOOD UNTIL 1000,
THEN EXCELLENT.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........13 11 6 5 5 11 13 14 17 23 35 42
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 10 10 10 10 10 10
TEMP............43 45 52 59 68 74 77 79 81 79 79 78
RH..............52 52 42 34 25 20 15 14 13 13 13 14
20 FT WIND DIR..W SW W W W W W W W W W W
20 FT WIND SPD..6 8 9 13 16 16 16 18 18 18 18 18
20 FT WIND GUST.9 14 16 21 25 25 25 33 33 33 33 33
MIX HGT (KFT)...1.3 1.3 2.3 4.6 7.5 9.6 12 12 13 13 14 13
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.7 8 16 28 31 36 37 36 36 36 35 33
VRATE KT-FT/1K..8 9 32 111 202 298 372 383 403 416 405 378
SMOKEDISPERSION.P P P VG E E E E E E E E
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) UNTIL 1900, THEN
MOSTLY CLOUDY (55-65 PERCENT) UNTIL 0300, THEN
PARTLY CLOUDY (40-50 PERCENT).
CWR.................4 PERCENT.
CHANCE OF THUNDER...6 PERCENT.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........83 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30
MPH UNTIL 2100, THEN 6 TO 14 MPH UNTIL 2300,
THEN AROUND 5 MPH UNTIL 0200, THEN
VARIABLE UP TO 5 MPH.
MIXING HEIGHT.......12500 FT AGL UNTIL 1900. 1200 FT AGL AFTER
2000.
TRANSPORT WINDS.....WEST 20 TO 30 MPH UNTIL 2100, THEN WEST 10 MPH
UNTIL 0200, THEN LIGHT.
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2000.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........49 66 65 51 60 64 67 61 55 49 46 43
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).10 10 10 10 10 10 10 10 10 10 10 10
TEMP............76 73 68 63 59 56 53 49 46 44 41 40
RH..............14 17 22 30 37 46 55 62 70 75 79 83
20 FT WIND DIR..W W W W W W S S S S S S
20 FT WIND SPD..21 18 15 12 8 6 3 2 2 2 2 2
20 FT WIND GUST.35 31 25 20 14 10 7 6 6 6 5 3
MIX HGT (KFT)...13 5.4 1.5 1.2 1.3 1.3 1.2 1.2 1.2 1.2 1.2 1.2
TRANSP WIND DIR.W W W NW NW W W SW SW S SW W
TRANSP WIND SPD.32 23 18 14 9 8 6 5 5 3 3 3
VRATE KT-FT/1K..349 107 23 15 11 8 6 5 4 4 4 4
SMOKEDISPERSION.E VG P P P P P P P P P P
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) UNTIL 1400, THEN
MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS AND THUNDERSTORMS AFTER 1200.
CWR.................5 PERCENT.
CHANCE OF THUNDER...14 PERCENT.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........21 PERCENT.
WIND (20 FT)........VARIABLE UP TO 5 MPH UNTIL 1000, THEN WEST 6 TO
12 MPH WITH GUSTS TO AROUND 20 MPH UNTIL 1400,
THEN 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS AFTER 1200.
MIXING HEIGHT.......2800 FT AGL UNTIL 1000. 10200 FT AGL AFTER
1200.
TRANSPORT WINDS.....WEST 8 TO 13 MPH UNTIL 1100, THEN 16 TO 23 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1100, THEN
VERY GOOD UNTIL 1200, THEN EXCELLENT UNTIL
1500, THEN VERY GOOD.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........40 35 31 26 30 33 37 46 55 64 66 67
WEATHER COV..... SCH SCH SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH SCH
CWR.............0 0 0 0 0 0 10 10 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 10 10 10 10 10 10
TEMP............40 43 47 53 60 67 72 75 76 75 75 74
RH..............81 77 70 59 44 33 25 22 21 21 21 22
20 FT WIND DIR..S SW W W W W W W W W W W
20 FT WIND SPD..2 2 2 3 7 10 14 16 18 18 17 16
20 FT WIND GUST.3 5 6 9 14 21 25 29 30 30 30 28
MIX HGT (KFT)...1.2 1.8 2.5 3.1 5.8 8.4 11 11 10 9.8 9.3 8.8
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.3 5 7 8 13 18 23 21 20 18 17 16
VRATE KT-FT/1K..4 8 14 22 65 132 221 195 170 147 133 121
SMOKEDISPERSION.P P P P G VG E E E VG VG VG
FORECAST DAYS 3 THROUGH 5
SUNDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS
AROUND 40. HIGHS IN THE MID 70S. SOUTHWEST WINDS 6 TO 12 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER 70S.
SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 80S.
SOUTH WINDS 5 TO 10 MPH.
FORECASTER...GIMMESTAD
REQUESTED BY...GARY MORRILL
TYPE OF REQUEST...WILDFIRE
.TAG 2519518.0/BOU
.DELDT 08/07/25
.FORMATTERVERSION 2.0.0
.EMAIL CONCC@FIRENET.GOV
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