527
FNUS75 KBOU 111105
FWSBOU

Spot Forecast for Windy Gap...Bureau of Land Management
National Weather Service Denver/Boulder CO
505 AM MDT Mon Aug 11 2025

If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Mostly sunny until 1200 then partly cloudy.  Minimum
humidity will drop to around 20 percent.  Light and variable winds
around 5 mph until 1200, then northwest to north at 6 to 12 mph.

.TODAY...

Sky/weather.........Mostly sunny (10-20 percent) until 1200, then
                    partly cloudy (30-40 percent).
CWR.................2 percent.
Chance of thunder...5 percent.
Max temperature.....Around 76.
Min humidity........20 percent.
Wind (20 ft)........Variable up to 5 mph until 1200, then northwest
                    to north at 6 to 12 mph.
Mixing height.......2600 ft AGL until 1000. 11200 ft AGL after
                    1100.
Transport winds.....Light winds until 1200, then northwest 8 to 12
                    mph.
Smoke dispersal.....Poor until 1100, then fair until 1200, then
                    good until 1500, then very good until 1700,
                    then good.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........12  11  6   3   6   25  26  27  27  29  35  46
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............34  36  42  48  59  65  69  73  74  74  76  74
RH..............100 96  79  65  42  33  26  22  20  20  18  20
20 FT wind dir..NE  N   NW  W   W   W   NW  NW  NW  NW  N   N
20 FT wind spd..2   2   1   1   2   3   5   6   7   8   8   8
20 FT wind gust.3       2   3   6   9   13  16  17  18  18  18
Mix hgt (kft)...1.3 1.3 1.6 2.8 5.9 8.5 9.7 11  11  11  11  11
Transp wind dir.NE  NE  N   N   N   NW  NW  NW  NW  NW  NW  NW
Transp wind spd.2   2   2   3   5   7   8   9   10  10  10  10
Vrate kt-ft/1K..3   3   3   9   23  51  68  84  99  102 102 98
SmokeDispersion.P   P   P   P   P   F   G   G   G   VG  VG  G

.TONIGHT...

Sky/weather.........Mostly cloudy (50-60 percent) until 2000, then
                    partly cloudy (25-35 percent).
CWR.................0 percent.
Chance of thunder...1 percent.
Min temperature.....Around 37.
Max humidity........100 percent.
Wind (20 ft)........Northeast winds 5 to 8 mph until 2200. Variable
                    up to 5 mph after 0200.
Mixing height.......9700 ft AGL until 1900. 1300 ft AGL after 2000.
Transport winds.....North 9 to 14 mph until 2000, then light until
                    2100, then east 8 to 10 mph until 0100, then 8
                    to 9 mph until 0300, then around 8 mph until
                    0500, then light.
Smoke dispersal.....Good until 1900. Poor after 0200.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........51  60  49  29  22  15  12  11  16  16  16  17
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............74  72  66  59  56  52  50  46  43  41  39  39
RH..............21  25  32  44  51  61  66  76  86  93  96  92
20 FT wind dir..N   NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
20 FT wind spd..7   7   6   6   6   6   6   5   3   2   2   2
20 FT wind gust.18  14  12  12  10  10  9   8   7   6   5   5
Mix hgt (kft)...9.7 6.0 1.4 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3
Transp wind dir.N   NE  NE  E   E   E   E   E   E   E   E   E
Transp wind spd.10  12  7   7   7   7   7   7   5   5   5   5
Vrate kt-ft/1K..88  60  8   8   8   8   8   8   5   5   5   5
SmokeDispersion.G   G   P   P   P   P   P   P   P   P   P   P

$$
Forecaster...RPK
Requested by...Gary Morrill
Type of request...WILDFIRE
.TAG 2519676.0/BOU
.DELDT 08/11/25
.FormatterVersion 2.0.0
.EMAIL bfaith@grandlakefire.org