National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FNUS75 KBOU 161227
FWSBOU

Spot Forecast for Magic Feather Rx...USFS
National Weather Service Denver/Boulder CO
627 AM MDT Tue Apr 16 2024

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

.DISCUSSION...The main period of showers will end by late morning,
though there`s still a slight chance into the afternoon. Winds
will also diminish late in the afternoon.

On Wednesday, west winds will continue with good mixing. An
approaching weather system will bring a chance of showers in the
afternoon, some of which could produce stronger gusts.

An unsettled period will continue for Thursday through Saturday,
with periods of showers, cool moist conditions, and mostly light
east winds.

.TODAY...

Sky/weather.........Mostly cloudy until 1400, then partly
                    cloudy(40-50%) until 1500, then mostly sunny.
                    Snow showers until 1200, then chance of rain
                    showers.
CWR.................73 percent.
Chance of pcpn......90 percent.
LAL.................1.
Max temperature.....Around 49.
Min humidity........43%.
Wind (20 ft)........Breezy. Northwest winds 23-29 mph wtih gusts up
                    to 44 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 4600 ft AGL.
Transport winds.....Northwest 32-40 mph until 1000, then 37-47 mph.
Smoke dispersal.....Poor until 0900, then good until 1000, then
                    very good until 1300, then excellent.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........94  92  88  84  80  71  62  56  43  25  23  19
Weather cov.....DEF DEF DEF DEF LKY LKY CHC CHC SCH SCH
Weather type....SW  SW  SW  SW  SW  SW  RW  RW  RW  RW
Tstm cov........
CWR.............70  70  70  70  70  70  70  70  70  70  70  70
Chc of pcpn (%).90  90  80  80  70  60  40  30  20  20  10  10
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............35  36  37  39  40  42  45  47  48  48  49  49
RH..............89  79  75  73  70  65  58  53  51  49  46  46
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  W   W   W   W
20 FT wind spd..26  28  28  25  25  25  24  25  26  26  28  28
20 FT wind gust.38  41  41  40  40  40  37  40  44  40  41  41
Mix hgt (kft)...0.8 0.6 0.9 2.2 3.1 3.9 3.9 4.4 4.7 4.7 4.3 3.9
Transp wind dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  W   W   W
Transp wind spd.32  35  37  40  43  41  39  43  44  43  41  43
Haines index....2   2   2   2   2   2   2   2   2   2   2   2
Vrate kt-ft/1K..22  17  30  78  115 140 134 162 179 172 156 143
SmokeDispersion.P   P   P   G   VG  VG  VG  E   E   E   E   VG

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................1 percent.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 32.
Max humidity........66%.
Wind (20 ft)........Breezy. West winds 16-25 mph with gusts to
                    around 41 mph until 0100, then 10-14 mph with
                    gusts to around 22 mph.
Mixing height.......2100 ft AGL until 2000. Below 1000 FT AGL after
                    2100.
Transport winds.....West 29-38 mph until 2100. 13-18 mph after
                    0300.
Smoke dispersal.....Very good until 1900, then good until 2000,
                    then poor.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........19  18  17  19  20  18  12  15  19  26  34  27
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
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............48  47  44  42  40  39  38  37  36  34  33  32
RH..............44  43  47  50  55  57  59  59  61  64  63  66
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..25  24  23  20  20  18  16  14  13  10  12  10
20 FT wind gust.41  40  38  35  33  31  25  22  21  16  18  16
Mix hgt (kft)...3.1 2.1 1.2 0.6 0.4 0.5 0.6 0.6 0.6 0.6 0.3 0.2
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.38  33  29  26  24  22  21  18  17  16  15  15
Haines index....2   2   2   2   2   2   2   2   2   2   2   2
Vrate kt-ft/1K..102 60  30  14  9   9   11  10  9   8   5   3
SmokeDispersion.VG  G   P   P   P   P   P   P   P   P   P   P

.WEDNESDAY...

Sky/weather.........Partly cloudy(40-50%) until 1000, then mostly
                    cloudy. Chance of rain showers and slight
                    chance of thunderstorms after 1200.
CWR.................5 percent.
Chance of pcpn......40 percent.
LAL.................1 until 1200, then 2.
Max temperature.....Around 52.
Min humidity........36%.
Wind (20 ft)........West winds 10-18 mph with gusts to around 30
                    mph until 1100, then 20-26 mph with gusts to
                    around 37 mph. Gusty and erratic winds expected
                    near thunderstorms after 1200.
Mixing height.......Rising to 3000 FT AGL by 0900 and 7000 ft AGL
                    by 1300.
Transport winds.....West 16-22 mph until 0800. 28-37 mph after
                    1200.
Smoke dispersal.....Poor until 0800, then good until 0900, then
                    very good until 1000, then excellent.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........38  41  46  49  54  57  62  65  69  73  77  79
Weather cov.....                        CHC CHC CHC CHC CHC CHC
Weather type....                        RW  RW  RW  RW  RW  RW
Tstm cov........                        SCH SCH SCH SCH SCH SCH
CWR.............10  10  10  10  10  10  10  10  10  10  10  10
Chc of pcpn (%).10  10  10  10  10  10  40  40  40  40  40  40
LAL.............1   1   1   1   1   1   2   2   2   2   2   2
Temp............35  34  39  41  46  48  50  51  51  52  51  50
RH..............58  61  52  47  41  39  37  36  37  37  37  39
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..10  12  14  16  18  21  23  24  23  24  24  22
20 FT wind gust.16  18  22  25  30  33  35  37  35  37  37  35
Mix hgt (kft)...0.6 2.0 3.3 4.4 5.4 6.2 6.7 7.0 7.0 6.6 6.0 5.2
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.16  22  26  30  32  35  36  37  37  36  32  28
Haines index....3   3   3   3   3   3   3   3   3   3   3   3
Vrate kt-ft/1K..8   36  74  115 154 187 208 224 225 206 169 124
SmokeDispersion.P   P   G   VG  E   E   E   E   E   E   E   VG

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY...
Colder. Snow showers likely and slight chance of thunderstorms.
Lows in the mid 20s. Highs around 40. East winds 8-14 mph.
.FRIDAY...
Mostly cloudy. Snow showers likely and slight chance of
thunderstorms. Lows in the mid 20s. Highs in the lower 40s. East
winds 8-14 mph.
.SATURDAY...
Snow showers and slight chance of thunderstorms. Lows in the mid
20s. Highs in the upper 30s. East winds 8-14 mph.

$$
Forecaster...Gimmestad
Requested by...Alex Doud
Type of request...PRESCRIBED
.TAG 2410720.1/BOU
.DELDT 04/16/24
.FormatterVersion 1.0.26
.EMAIL Alexander.doud@usda.gov