771
FNUS75 KBOU 221040
FWSBOU
SPOT FORECAST FOR HARTMAN HILL...USFS
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
440 AM MDT WED JUL 22 2026
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
IT WILL BE PARTLY CLOUDY UNTIL 1200, THEN CLOUDY
WITH SHOWERS AND THUNDERSTORMS LIKELY. LOCALLY HEAVY RAINFALL
WILL BE POSSIBLE. MINIMUM HUMIDITY WILL BE AROUND 30 PERCENT.
WINDS WILL BE LIGHT AND VARIABLE AROUND 5 MPH UNTIL 1200, THEN
WEST 5 TO 8 MPH, EXCEPT GUSTY AND ERRATIC WINDS NEAR THUNDERSTORMS.
TONIGHT, MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS UNTIL 2400, THEN A CHANCE OF SHOWERS. HUMIDITY
RECOVERY OVERNIGHT AROUND 75 PERCENT. WINDS WILL BE LIGHT AND
VARIABLE AROUND 5 MPH, EXCEPT GUSTY AND ERRACTIC NEAR THUNDERSTORMS.
REST OF TODAY
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) UNTIL 1200, THEN
CLOUDY (90-100 PERCENT). RAIN SHOWERS LIKELY
AND CHANCE OF THUNDERSTORMS AFTER 1200 UNTIL
1500, THEN RAIN SHOWERS WITH THUNDERSTORMS
LIKELY.
CWR.................3 PERCENT INCREASING TO 62 PERCENT IN THE
AFTERNOON.
CHANCE OF THUNDER...65 PERCENT.
MAX TEMPERATURE.....AROUND 87.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........VARIABLE UP TO 5 MPH UNTIL 1200, THEN WEST 5 TO
8 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS AFTER 1200.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 2800 FT AGL
UNTIL 1100, THEN 7500 FT AGL UNTIL 1300, THEN
8800 FT AGL UNTIL 1600, THEN 4500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 8 MPH UNTIL 1100, THEN LIGHT
UNTIL 1200, THEN WEST 8 TO 12 MPH UNTIL 1700,
THEN LIGHT.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR UNTIL 1300, THEN
GOOD UNTIL 1600, THEN POOR.
TIME (MDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........34 23 27 22 23 93 93 93 93 93 93
WEATHER COV..... LKY LKY LKY DEF DEF DEF
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ CHC CHC CHC LKY LKY LKY
CWR.............0 0 0 0 0 60 60 60 60 60 60
CHC OF THDR (%).0 0 0 0 10 50 50 50 70 70 70
TEMP............59 65 69 77 82 85 86 84 85 80 78
RH..............66 56 49 39 33 30 29 31 31 36 42
20 FT WIND DIR..S SW W W W W W W W SW S
20 FT WIND SPD..1 1 2 3 3 5 6 7 7 6 6
20 FT WIND GUST.3 3 3 6 6 7 9 12 12 12 12
MIX HGT (KFT)...0.6 1.4 2.0 3.2 5.9 8.0 9.1 9.4 7.2 4.5 3.8
TRANSP WIND DIR.SW SW SW SW W W W W SW W SW
TRANSP WIND SPD.5 5 5 6 7 8 8 8 10 8 7
VRATE KT-FT/1K..2 6 8 16 35 56 64 66 65 32 23
SMOKEDISPERSION.P P P P P F G G G P P
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SHOWERS LIKELY
AND CHANCE OF THUNDERSTORMS UNTIL 2400, THEN
CHANCE OF SHOWERS.
CWR.................54 PERCENT DECREASING TO 12 PERCENT OVERNIGHT.
CHANCE OF THUNDER...42 PERCENT.
MIN TEMPERATURE.....AROUND 59.
MAX HUMIDITY........77 PERCENT.
WIND (20 FT)........VARIABLE UP TO 5 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS UNTIL 2100GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS AFTER
2100 UNTIL 2400.
MIXING HEIGHT.......1800 FT AGL UNTIL 2000, THEN BELOW 1000 FT AGL
UNTIL 2200, THEN 1000 FT AGL UNTIL 2300, THEN
BELOW 1000 FT AGL.
TRANSPORT WINDS.....WEST AROUND 9 MPH UNTIL 1900, THEN SOUTHWEST 8
TO 11 MPH UNTIL 2100, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........83 90 84 88 86 86 65 63 69 75 73 72
WEATHER COV.....LKY LKY LKY LKY LKY LKY CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........CHC CHC CHC SCH SCH SCH
CWR.............50 50 50 50 50 50 10 10 10 10 10 10
CHC OF THDR (%).40 40 40 20 20 20 10 10 10 10 10 10
TEMP............75 72 68 68 66 66 66 65 64 63 61 60
RH..............44 49 56 56 62 59 57 57 59 61 67 68
20 FT WIND DIR..SE S N E SE SE SE S W S S S
20 FT WIND SPD..1 3 0 2 2 1 1 1 1 1 1 1
20 FT WIND GUST.9 6 8 7 6 5 5 5 5 5 5 5
MIX HGT (KFT)...2.6 1.8 0.8 0.8 1.0 0.6 0.5 0.6 0.6 0.6 0.6 0.6
TRANSP WIND DIR.W SW S S E SE SE SW S SW SW SW
TRANSP WIND SPD.9 9 8 7 5 5 3 3 5 5 6 6
VRATE KT-FT/1K..20 14 6 5 4 2 2 2 2 2 3 3
SMOKEDISPERSION.P P P P P P P P P P P P
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) UNTIL 0700, THEN
MOSTLY CLOUDY (50-60 PERCENT) UNTIL 0800, THEN
PARTLY CLOUDY (40-50 PERCENT) UNTIL 0900, THEN
MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS UNTIL 0900, THEN CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 1200, THEN RAIN SHOWERS WITH
THUNDERSTORMS LIKELY.
CWR.................12 PERCENT INCREASING TO 85 PERCENT IN THE
AFTERNOON.
CHANCE OF THUNDER...68 PERCENT.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........47 PERCENT.
WIND (20 FT)........VARIABLE UP TO 5 MPH UNTIL 0900, THEN WEST 5 TO
7 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS AFTER 0900.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 4900 FT AGL AFTER
1300.
TRANSPORT WINDS.....SOUTHWEST 8 TO 9 MPH UNTIL 0800, THEN LIGHT
UNTIL 0900, THEN WEST 9 TO 14 MPH UNTIL 1600,
THEN NORTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN FAIR UNTIL 1300, THEN
GOOD UNTIL 1400, THEN FAIR UNTIL 1500, THEN
POOR.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........42 55 45 55 55 67 97 97 97 96 96 96
WEATHER COV.....SCH SCH SCH CHC CHC CHC DEF DEF DEF DEF DEF DEF
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH LKY LKY LKY LKY LKY LKY
CWR.............10 10 10 10 10 10 90 90 90 80 80 80
CHC OF THDR (%).10 0 0 10 20 20 70 70 70 60 70 70
TEMP............60 59 63 65 71 73 76 76 76 77 76 76
RH..............73 77 73 68 59 57 52 50 48 48 48 52
20 FT WIND DIR..SW SW SW SW SW W W W W W W W
20 FT WIND SPD..2 3 3 5 5 6 6 6 6 6 6 5
20 FT WIND GUST.5 6 6 9 10 12 14 15 14 14 14 13
MIX HGT (KFT)...0.6 0.6 1.2 2.3 3.1 4.0 4.0 5.7 5.0 4.2 3.6 3.7
TRANSP WIND DIR.W SW SW SW W W W W W W NW W
TRANSP WIND SPD.6 6 7 9 13 14 13 13 13 9 10 12
VRATE KT-FT/1K..3 3 7 19 34 48 44 63 55 34 33 37
SMOKEDISPERSION.P P P P P F F G F P P P
FORECASTER...RPK
REQUESTED BY...MELISSA MCKIBBEN
TYPE OF REQUEST...WILDFIRE
.TAG 2617813.3/BOU
.DELDT 07/22/26
.FORMATTERVERSION 2.0.0
.EMAIL CONCC@FIRENET.GOV
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