067 
FNUS75 KBOU 091123
FWSBOU

Spot Forecast for Windy Gap...Bureau of Land Management
National Weather Service Denver/Boulder CO
523 AM MDT Sat Aug 9 2025

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

.DISCUSSION...Dry conditions will continue today but winds will be lighter.
Skies will be mostly sunny until 1300, then partly cloudy.  Minimum
humidity will drop down to 14 percent in the afternoon.  Winds will be
light and variable around 5 mph until 1000, then west 8 to 14 mph with
gusts to 22 mph through 1700.

.TODAY...

Sky/weather.........Partly cloudy (20-30 percent) until 0700, then 
                    mostly sunny (10-20 percent) until 1300, then 
                    partly cloudy (35-45 percent). 
CWR.................2 percent. 
Chance of thunder...5 percent. 
Max temperature.....Around 77. 
Min humidity........14 percent. 
Wind (20 ft)........Variable up to 5 mph until 1000, then west 8 to 
                    14 mph with gusts to around 22 mph.
Mixing height.......2900 ft AGL until 1000. 12100 ft AGL after 
                    1200. 
Transport winds.....Light winds until 0900. West 18 to 25 mph after 
                    1100. 
Smoke dispersal.....Poor until 1000, then good until 1100, then 
                    very good until 1200, then excellent. 

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 
Sky (%).........27  19  10  8   9   24  22  36  41  59  71  78  
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............39  43  49  56  62  67  71  74  76  77  77  75  
RH..............73  62  50  37  27  21  18  16  15  14  14  15  
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   NW  
20 FT wind spd..2   2   2   3   6   9   12  13  14  14  14  13  
20 FT wind gust.5   5   5   6   9   14  18  21  22  22  22  21  
Mix hgt (kft)...1.3 1.3 1.8 3.4 5.6 7.6 9.8 12  12  12  12  11  
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W   
Transp wind spd.5   3   5   9   16  21  24  25  24  22  21  18  
Vrate kt-ft/1K..5   4   7   28  78  136 206 257 256 234 215 175 
SmokeDispersion.P   P   P   P   G   VG  E   E   E   E   E   E   

$$
Forecaster...RPK
Requested by...Gary Morrill
Type of request...WILDFIRE
.TAG 2519577.0/BOU
.DELDT 08/09/25
.FormatterVersion 2.0.0
.EMAIL bfaith@grandlakefire.org