147
FNUS75 KBOU 230342
FWSBOU
SPOT FORECAST FOR HARTMAN HILL...NOCO DISPATCH
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
942 PM MDT WED JUL 22 2026
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
REST OF TONIGHT
LIGHT SOUTHERLY WINDS ARE EXPECTED ACROSS THE
AREA THROUGH LATE TONIGHT. SHOWER AND STORM CHANCES WILL START TO
INCREASE AGAIN AFTER 2400-0100 AND REMAIN ELEVATED THROUGH ABOUT
0600. WINDS MAY BECOME VARIABLE AND GUSTY WITH ANY PASSING STORMS
OR SHOWERS.
HIGH CHANCES (65%-85%) FOR WETTING RAINS ACROSS THE AREA AFTER
1200 THURSDAY, WITH LOCALIZED HEAVY RAINFALL POSSIBLE THROUGH THE
AFTERNOON. SOME LOCATIONS MAY SEE LOCALIZED 2-3" OF RAINFALL IN A
SHORT TIME. WINDS SHOULD FOLLOW A NORMAL DIURNAL PATTERN
(UPSLOPE/UPVALLEY) BY THE AFTERNOON OUTSIDE OF PASSING
SHOWERS/STORMS. RH VALUES ARE EXPECTED TO REMAIN ABOVE 40% THROUGH
THE DAY.
WARMER AND DRIER CONDITIONS ARE EXPECTED TO RETURN ON FRIDAY AND
PERSIST INTO THE WEEKEND, WITH MINIMUM RH VALUES EXPECTED TO DROP
INTO THE LOW TO MID 20% RANGE, THOUGH WINDS ARE EXPECTED TO REMAIN
GENERALLY LIGHT THROUGH THE WEEKEND.
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS UNTIL 2300,
INCREASING AGAIN AFTER 0100 THROUGH 0600.
CWR.................43 PERCENT DECREASING TO 9 PERCENT OVERNIGHT.
CHANCE OF THUNDER...15 PERCENT.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........89 PERCENT.
WIND (20 FT)........VARIABLE UP TO 5 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS UNTIL 2400.
MIXING HEIGHT.......1500 FT AGL UNTIL 2200, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 8 MPH UNTIL 2400, THEN LIGHT UNTIL
0300, THEN SOUTHWEST 8 TO 9 MPH UNTIL 0500,
THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........91 87 78 75 73 64 67 72 72
WEATHER COV.....SCH SCH SCH CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW
TSTM COV........SCH SCH SCH SCH SCH SCH SCH
CWR.............40 40 40 10 10 10 10 10 10
CHC OF THDR (%).20 20 20 10 10 10 10 10 10
TEMP............66 64 62 60 59 58 56 56 55
RH..............61 65 70 75 75 75 77 77 80
20 FT WIND DIR..S S S S S S S S SW
20 FT WIND SPD..1 1 2 2 2 1 1 2 2
20 FT WIND GUST.6 5 3 3 3 2 2 3 3
MIX HGT (KFT)...1.5 0.8 0.6 0.6 0.6 0.6 0.6 0.6 0.6
TRANSP WIND DIR.S S S S SW SW W SW W
TRANSP WIND SPD.8 6 5 3 3 5 6 6 5
VRATE KT-FT/1K..11 4 2 2 2 2 3 3 2
SMOKEDISPERSION.P P P P P P P P P
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 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.................7 PERCENT INCREASING TO 65 PERCENT IN THE
AFTERNOON.
CHANCE OF THUNDER...64 PERCENT.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........45 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH UNTIL 0800, THEN
VARIABLE UP TO 5 MPH UNTIL 1100, THEN WEST 5 TO
8 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS AFTER 0900.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 4200 FT AGL AFTER
1100.
TRANSPORT WINDS.....WEST 8 TO 13 MPH UNTIL 1300, THEN 9 TO 14 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN FAIR UNTIL 1400, THEN
POOR.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........71 67 60 61 61 61 84 84 84 84 84 84
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 70 70 70 70 70 70
CHC OF THDR (%).0 0 0 20 20 20 60 60 60 60 60 60
TEMP............53 55 56 59 66 70 73 74 74 76 74 74
RH..............89 86 83 78 61 55 49 48 48 45 46 46
20 FT WIND DIR..SW SW W W W N N N W W W W
20 FT WIND SPD..3 3 2 2 3 5 6 7 7 7 7 6
20 FT WIND GUST.6 6 3 3 6 7 9 12 12 12 12 9
MIX HGT (KFT)...0.6 0.6 1.3 2.4 3.5 4.5 5.1 5.0 3.8 3.0 3.6 2.8
TRANSP WIND DIR.SW SW SW W W W W W W W W W
TRANSP WIND SPD.5 3 5 7 9 13 13 12 12 13 10 12
VRATE KT-FT/1K..2 2 5 15 28 49 56 50 38 33 33 28
SMOKEDISPERSION.P P P P P F F F P P P P
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) UNTIL 2100, THEN
PARTLY CLOUDY (25-35 PERCENT). CHANCE OF RAIN
SHOWERS AND THUNDERSTORMS UNTIL 2100, THEN
SLIGHT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS
UNTIL 2400.
CWR.................18 PERCENT DECREASING TO 0 PERCENT OVERNIGHT.
CHANCE OF THUNDER...40 PERCENT.
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........77 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 5 MPH UNTIL 1900, THEN
VARIABLE UP TO 5 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS UNTIL 2400.
MIXING HEIGHT.......2100 FT AGL UNTIL 2000, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....WEST 8 TO 13 MPH UNTIL 2000, THEN SOUTHWEST 8
TO 9 MPH UNTIL 2200, THEN AROUND 8 MPH UNTIL
2400, THEN 8 TO 9 MPH UNTIL 0200, THEN AROUND 8
MPH UNTIL 0400, THEN SOUTHWEST AROUND 8 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........71 71 61 49 33 33 16 14 11 11 28 26
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............73 71 68 65 63 62 61 59 58 56 55 55
RH..............46 49 57 63 67 67 67 67 64 69 72 72
20 FT WIND DIR..W W SW SW SW S S S N S N N
20 FT WIND SPD..5 3 3 2 2 2 2 1 0 1 0 0
20 FT WIND GUST.7 6 6 3 3 3 3 2 5 5 5 5
MIX HGT (KFT)...2.4 2.1 0.6 0.6 0.6 0.6 0.6 0.5 0.6 0.5 0.6 0.6
TRANSP WIND DIR.W W W SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.12 9 6 6 6 5 6 6 6 5 6 5
VRATE KT-FT/1K..24 17 3 3 3 2 3 3 3 2 3 2
SMOKEDISPERSION.P P P P P P P P P P P P
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT) UNTIL 1500, THEN
PARTLY CLOUDY (25-35 PERCENT).
CWR.................4 PERCENT.
CHANCE OF THUNDER...13 PERCENT.
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........VARIABLE UP TO 5 MPH UNTIL 1300, THEN NORTHWEST
5 TO 7 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 7300 FT AGL AFTER
1100.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0900, THEN NORTHWEST 8 TO 11
MPH UNTIL 1100, THEN 8 TO 10 MPH UNTIL 1300,
THEN LIGHT UNTIL 1400, THEN NORTHWEST 8 TO 11
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN FAIR.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........24 12 18 23 22 20 19 22 24 27 31 34
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............53 55 57 60 65 72 77 80 81 82 82 82
RH..............77 77 77 72 60 48 39 34 30 28 27 25
20 FT WIND DIR..N N N W W NW NW NW NW NW NW NW
20 FT WIND SPD..0 0 0 1 2 2 3 5 5 5 5 5
20 FT WIND GUST.5 5 5 5 7 9 12 14 15 15 14 13
MIX HGT (KFT)...0.5 0.6 1.8 3.0 4.0 5.0 6.0 6.6 7.3 8.0 7.1 6.1
TRANSP WIND DIR.SW S SW NW NW NW NW NW NW NW NW N
TRANSP WIND SPD.6 5 7 8 8 7 7 7 8 8 8 9
VRATE KT-FT/1K..3 2 11 21 28 30 36 40 51 56 49 49
SMOKEDISPERSION.P P P P P P P P F F F F
FORECASTER...BONNER
REQUESTED BY...HARTMAN HILL IC(T) MCARTHUR
TYPE OF REQUEST...WILDFIRE
.TAG 2618016.0/BOU
.DELDT 07/22/26
.FORMATTERVERSION 2.0.0
.EMAIL CONCC@FIRENET.GOV,CHARLES.MCARTHUR@STATE.CO.US
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