975
FNUS75 KBOU 182059
FWSBOU

Spot Forecast for Green Mountian RX...USFS
National Weather Service Denver/Boulder CO
259 PM MDT Wed Jun 18 2025

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

.DISCUSSION...There will be light winds today with seasonal
temperatures. There is no threat of any showers or storms. Smoke
dispersal will be good and winds will be out of the east this
afternoon.

Hot weather will be upon us starting on Thursday and lasting
through Sunday. With southwest to west winds developing tomorrow,
smoke dispersal will be excellent.

.REST OF TODAY...

Sky/weather.........Mostly sunny (0-10 percent).
CWR.................1 percent.
Chance of pcpn......0 percent.
Chance of thunder...4 percent.
Max temperature.....Around 76.
Min humidity........28 percent.
Wind (20 ft)........East winds 6 to 11 mph.
Mixing height.......7800 ft AGL.
Transport winds.....Northwest 10 to 15 mph until 1500, then east 9
                    to 14 mph.
Smoke dispersal.....Good until 1700, then fair.

TIME (MDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........3   5   6   7   7   8   10
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0
Chc of pcpn (%).0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0
Temp............70  71  73  73  74  76  74
RH..............32  35  34  34  31  28  29
20 FT wind dir..E   E   E   E   E   E   E
20 FT wind spd..7   7   7   8   8   9   8
20 FT wind gust.12  12  12  13  13  15  13
Mix hgt (kft)...7.5 7.9 8.2 7.8 7.7 6.7 6.5
Transp wind dir.NW  NW  NW  NW  E   E   E
Transp wind spd.12  13  13  12  12  12  10
Vrate kt-ft/1K..75  87  90  78  77  67  58
SmokeDispersion.G   G   G   G   G   G   F

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent).
CWR.................2 percent.
Chance of pcpn......10 percent.
Chance of thunder...5 percent.
Min temperature.....Around 53.
Max humidity........60 percent.
Wind (20 ft)........East winds 5 to 12 mph until 2000. Southwest
                    after 0400.
Mixing height.......4700 ft AGL until 2000. Below 1000 FT AGL after
                    2100.
Transport winds.....East 8 to 11 mph until 2000, then southeast
                    around 8 mph until 2200, then light until 2300,
                    then southwest 8 to 13 mph.
Smoke dispersal.....Fair until 1900, then poor.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........11  9   12  7   7   9   10  6   4   5   5   4
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of pcpn (%).10  10  0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).10  10  0   0   0   0   0   0   0   0   0   0
Temp............73  72  67  63  61  59  58  58  56  55  53  53
RH..............30  32  41  47  49  53  55  54  58  59  60  58
20 FT wind dir..E   E   E   S   SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..8   6   6   5   5   6   6   6   7   7   7   7
20 FT wind gust.13  9   9   7   7   9   9   9   12  12  12  12
Mix hgt (kft)...5.7 4.6 1.4 0.6 0.6 0.7 0.6 0.7 0.7 0.7 0.7 0.8
Transp wind dir.E   SE  E   SE  SW  SW  SW  SW  SW  SW  W   W
Transp wind spd.9   8   6   5   7   8   12  12  13  10  12  12
Vrate kt-ft/1K..46  33  7   2   4   5   6   7   8   6   7   8
SmokeDispersion.F   P   P   P   P   P   P   P   P   P   P   P

.JUNETEENTH...

Sky/weather.........Mostly sunny (5-15 percent) until 1500, then
                    partly cloudy (35-45 percent).
CWR.................1 percent.
Chance of pcpn......0 percent.
Chance of thunder...3 percent.
Max temperature.....Around 87.
Min humidity........13 percent.
Wind (20 ft)........Southwest winds 5 to 8 mph until 0900. East
                    around 8 mph after 1700.
Mixing height.......Below 1000 FT AGL until 0800, then 2800 ft AGL
                    until 1000, then 7000 ft AGL until 1100, then
                    12200 ft AGL until 1400, then 14600 ft AGL
                    until 1700, then 9800 ft AGL.
Transport winds.....Southwest 8 to 12 mph until 0800, then west 8
                    to 16 mph.
Smoke dispersal.....Poor until 1000, then fair until 1100, then
                    good until 1200, then very good until 1400,
                    then excellent until 1600, then very good.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........8   9   7   3   1   3   7   12  23  34  45  47
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of pcpn (%).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............53  56  61  68  76  79  83  84  85  86  85  85
RH..............56  50  43  33  24  19  15  14  13  13  13  14
20 FT wind dir..SW  SW  SW  S   S   SE  SE  SE  SE  SE  SE  E
20 FT wind spd..7   6   6   6   5   6   7   8   9   9   8   8
20 FT wind gust.12  9   9   9   7   9   12  13  15  15  13  13
Mix hgt (kft)...0.8 0.8 1.4 3.1 7.0 10  12  13  15  15  14  9.8
Transp wind dir.W   SW  SW  W   W   W   W   SW  W   SW  W   W
Transp wind spd.10  9   7   7   8   9   10  13  15  16  13  14
Vrate kt-ft/1K..7   7   9   19  49  80  112 138 189 204 149 117
SmokeDispersion.P   P   P   P   F   G   VG  VG  E   E   VG  VG

$$
Forecaster...Bonner
Requested by...Justin McArthur
Type of request...PRESCRIBED
.TAG 2515769.0/BOU
.DELDT 06/18/25
.FormatterVersion 2.0.0
.EMAIL justin.mcarthur@usda.gov