930
FNUS75 KBOU 230549
FWSBOU
SPOT FORECAST FOR HAY BAIL FIRE...STERLING DISPTACH
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1149 PM MDT WED JUL 22 2026
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
IT WILL BE MOSTLY CLOUDY OVERNIGHT WITH A CHANCE OF SHOWERS
UNTIL 0300. HUMIDITY RECOVERY WILL BE AROUND 90 PRCENT. WINDS WILL BE
SOUTHEAST AT 7 TO 13 MPH.
ON THURSDAY, IT WILL BE MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS BETWEEN 1200 AND 1500, AFTER 1500 THERE WILL BE A CHANCE
OF SHOWERS AND THUNDERSTORMS. MINIMUM HUMIDITY WILL BE AROUND 45 PERCENT
IN THE AFTERNOON. WINDS WILL BE SOUTHEAST AT 5 TO 10 MPH EXCEPT GUSTY
AND ERRACTIC NEAR THUNDERSTORMS.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF
SHOWERS UNTIL 0300.
CWR.................6 PERCENT.
CHANCE OF THUNDER...6 PERCENT.
MIN TEMPERATURE.....AROUND 63.
MAX HUMIDITY........92 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 7 TO 13 MPH.
MIXING HEIGHT.......1200 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 12 TO 20 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MDT) MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........92 90 86 83 81 75
WEATHER COV.....CHC CHC CHC
WEATHER TYPE....RW RW RW
TSTM COV........
CWR.............10 10 10 0 0 0
CHC OF THDR (%).10 10 10 0 0 0
TEMP............70 69 67 65 64 64
RH..............80 82 85 89 89 91
20 FT WIND DIR..SE SE SE SE SE SE
20 FT WIND SPD..12 9 8 7 7 7
20 FT WIND GUST.18 16 16 15 15 13
MIX HGT (KFT)...1.3 1.4 1.2 1.2 1.3 1.2
TRANSP WIND DIR.SE SE SE S SE SE
TRANSP WIND SPD.20 20 17 14 14 12
VRATE KT-FT/1K..22 24 18 15 16 12
SMOKEDISPERSION.P P P P P P
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) UNTIL 1100, THEN
PARTLY CLOUDY (35-45 PERCENT) UNTIL 1500, THEN
MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER 1200 UNTIL
1500, THEN CHANCE OF SHOWERS AND THUNDERSTORMS.
CWR.................0 PERCENT INCREASING TO 21 PERCENT IN THE
AFTERNOON.
CHANCE OF THUNDER...43 PERCENT.
MAX TEMPERATURE.....AROUND 89.
MIN HUMIDITY........43 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS AFTER 1200.
MIXING HEIGHT.......4000 FT AGL UNTIL 1500, THEN 5200 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH UNTIL 1000, THEN SOUTH
UNTIL 1100, THEN LIGHT UNTIL 1200, THEN
NORTHEAST AROUND 8 MPH UNTIL 1400, THEN LIGHT
UNTIL 1600, THEN NORTHWEST 8 TO 12 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........77 69 60 53 51 47 33 33 33 67 67 77
WEATHER COV..... SCH SCH SCH CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH CHC CHC CHC
CWR.............0 0 0 0 0 0 10 10 10 20 20 20
CHC OF THDR (%).0 0 0 0 0 0 20 20 20 40 40 40
TEMP............63 65 67 70 75 78 82 85 87 88 87 85
RH..............92 88 84 77 66 62 54 50 45 43 47 49
20 FT WIND DIR..SE SE SE SE SE SE SE E E E E N
20 FT WIND SPD..7 7 7 7 6 5 3 3 3 5 6 7
20 FT WIND GUST.13 13 13 13 12 9 9 9 12 13 13 13
MIX HGT (KFT)...1.3 1.3 1.7 2.0 2.4 2.7 3.2 3.8 4.6 5.6 5.2 3.7
TRANSP WIND DIR.SE SE S S S S NE NE N NW NW NW
TRANSP WIND SPD.12 13 13 12 10 6 5 6 7 7 8 10
VRATE KT-FT/1K..13 15 18 20 21 13 13 19 28 33 37 33
SMOKEDISPERSION.P P P P P P P P P P P P
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) UNTIL 2200, THEN
PARTLY CLOUDY (30-40 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS UNTIL 2100, THEN
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
UNTIL 2400.
CWR.................21 PERCENT DECREASING TO 0 PERCENT OVERNIGHT.
CHANCE OF THUNDER...40 PERCENT.
MIN TEMPERATURE.....AROUND 63.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 7 MPH UNTIL 1900, THEN
AROUND 6 MPH UNTIL 2000, THEN VARIABLE UP TO 5
MPH UNTIL 2400, THEN SOUTHWEST 5 TO 7 MPH UNTIL
0400, THEN WEST AROUND 5 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS UNTIL 2400.
MIXING HEIGHT.......1200 FT AGL UNTIL 2100, THEN BELOW 1000 FT AGL
UNTIL 2300, THEN 1000 FT AGL UNTIL 2400, THEN
BELOW 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 8 TO 13 MPH UNTIL 2000, THEN SOUTH
AROUND 10 MPH UNTIL 2100, THEN EAST AROUND 9
MPH UNTIL 2200, THEN NORTH 8 TO 12 MPH UNTIL
2400, THEN WEST UNTIL 0300, THEN 8 TO 10 MPH
UNTIL 0500, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........85 87 80 60 46 43 33 28 23 24 27 24
WEATHER COV.....CHC CHC CHC SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW
TSTM COV........CHC CHC CHC SCH SCH SCH
CWR.............20 20 20 10 10 10 0 0 0 0 0 0
CHC OF THDR (%).40 40 40 20 20 20 0 0 0 0 0 0
TEMP............83 80 77 73 72 71 70 69 68 66 65 65
RH..............55 60 66 75 77 86 85 91 94 97 96 96
20 FT WIND DIR..N N E E SE S SW SW SW SW W W
20 FT WIND SPD..7 6 3 2 2 3 5 5 5 5 3 3
20 FT WIND GUST.13 12 12 9 9 7 7 6 6 7 6 7
MIX HGT (KFT)...2.2 1.5 1.2 0.7 0.9 1.0 0.5 0.8 0.5 0.5 0.4 0.4
TRANSP WIND DIR.NW N S E N NW NW W W W W W
TRANSP WIND SPD.12 9 10 9 10 9 10 10 9 7 7 7
VRATE KT-FT/1K..22 12 11 6 9 8 4 7 4 3 3 3
SMOKEDISPERSION.P P P P P P P P P P P P
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT) UNTIL 0700, THEN
PARTLY CLOUDY (30-40 PERCENT) UNTIL 0800, THEN
SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
MAX TEMPERATURE.....AROUND 94.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........VARIABLE UP TO 5 MPH UNTIL 1200, THEN NORTH
AROUND 5 MPH UNTIL 1400, THEN VARIABLE UP TO 5
MPH UNTIL 1500, THEN NORTHEAST 5 TO 7 MPH UNTIL
1700, THEN AROUND 5 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 8800 FT AGL AFTER
1400.
TRANSPORT WINDS.....NORTHWEST 8 TO 12 MPH UNTIL 1700, THEN NORTH
AROUND 10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR UNTIL 1300, THEN
GOOD.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........20 35 7 4 0 0 2 1 2 5 4 8
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............64 67 70 73 81 84 87 90 92 93 94 94
RH..............100 94 90 83 63 56 47 40 36 33 32 30
20 FT WIND DIR..W W NW NW NW NW N N N N NE NE
20 FT WIND SPD..2 2 2 3 3 3 3 3 3 5 5 5
20 FT WIND GUST.7 7 8 12 14 14 15 16 16 16 16 16
MIX HGT (KFT)...0.4 0.6 1.3 2.1 3.1 4.3 5.7 6.9 7.9 8.1 8.4 8.8
TRANSP WIND DIR.NW NW NW NW NW NW N N N N N N
TRANSP WIND SPD.7 7 8 8 8 8 9 10 12 9 12 10
VRATE KT-FT/1K..2 3 9 15 22 30 46 62 79 65 84 79
SMOKEDISPERSION.P P P P P P F G G G G G
FORECASTER...RPK
REQUESTED BY...NA
TYPE OF REQUEST...WILDFIRE
.TAG 2618021.0/BOU
.DELDT 07/23/26
.FORMATTERVERSION 2.0.0
.EMAIL DISPATCH@COLLO.COM
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