Suppression Forecast
Issued by NWS Cheyenne, WY
Issued by NWS Cheyenne, WY
601
FNUS75 KCYS 040818
FWSCYS
Spot Forecast for Beaver Dam...BLM
National Weather Service Cheyenne WY
218 AM MDT Fri Jul 4 2025
If conditions become unrepresentative, contact the National Weather
Service at (307) 772-2227
.DISCUSSION...A band of rain showers is forecast to push northeast
across the area early this morning, likely ending by sunrise. After
a 6 hour lull in the shower and thunderstorm activity this morning,
thunderstorms will redevelop between 11:00 am and 1:00 pm. Brief
erratic gusty winds and locally heavy rainfall are expected.
Clearing skies expected tonight with good humidity recoveries.
.REST OF TONIGHT AND EARLY THIS MORNING...
Sky/weather.........Cloudy (90-100 percent). Chance of rain
showers.
CWR.................20 percent.
LAL.................1
Min temperature.....Around 45.
Max humidity........100 percent.
Wind (20 ft)........Southwest winds around 5 mph.
Mixing height.......500 ft AGL.
Transport winds.....Southwest around 14 mph.
Smoke dispersal.....Poor (5700 knot-ft).
Haines Index........MISSING.
.TODAY...
Sky/weather.........Partly sunny (50-60 percent). Scattered rain
showers early in the morning. Isolated showers
and thunderstorms early in the afternoon, then
scattered showers and thunderstorms late in the
afternoon.
CWR.................15 percent.
LAL.................3
Max temperature.....69 to 74 degrees.
Min humidity........35 to 45 percent.
Wind (20 ft)........Southwest winds 6 to 12 mph. Gusty and erratic
winds expected near thunderstorms in the
afternoon.
Mixing height.......6000 ft AGL.
Transport winds.....Southwest 13 to 18 mph shifting to the west 18
to 22 mph in the afternoon.
Smoke dispersal.....very good (103100 knot-ft)
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........64 64 64 58 58 58 53 53 53 50 50 50
Weather cov.....SCT SCT SCT ISO ISO ISO SCT SCT SCT
Weather type....RW RW RW RW RW RW RW RW RW
Tstm cov........ ISO ISO ISO SCT SCT SCT
CWR.............10 10 10 10 10 10 10 10 10 10 10 10
LAL.............M M M M M M M M M M M M
Temp............45 46 48 52 57 60 62 63 64 65 65 65
RH..............100 96 89 80 67 58 54 50 46 43 41 40
20 FT wind dir..SW SW SW SW SW W W W W W W W
20 FT wind spd..6 7 7 7 8 9 9 10 10 12 12 12
20 FT wind gust.12 13 14 15 16 17 18 20 21 21 21 21
Mix hgt (kft)...0.5 0.8 1.5 2.0 3.2 4.5 5.9 6.1 5.9 5.8 4.8 4.9
Transp wind dir.SW SW W W W W W W W W W W
Transp wind spd.13 13 17 16 18 18 18 20 21 21 22 21
Haines index....M M M M M M M M M M M M
SDspl kt-ft/10005 8 23 28 52 72 95 103 107 104 91 87
.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent). Isolated
showers and thunderstorms early in the evening.
CWR.................5 percent.
LAL.................2
Min temperature.....45 to 50 degrees.
Max humidity........75 to 90 percent.
Wind (20 ft)........West winds 5 to 12 mph shifting to the south
around 5 mph early in the morning. Gusty and
erratic winds expected near thunderstorms early
in the evening.
Mixing height.......400 ft AGL.
Transport winds.....West 12 to 20 mph shifting to the southwest 7
to 10 mph in the late evening and overnight.
Smoke dispersal.....Fair (58900 knot-ft) early in the evening
decreasing to poor (2500 knot-ft) late in the
night.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........45 45 45 45 45 45 37 37 37 24 24 24
Weather cov.....ISO ISO ISO ISO ISO ISO
Weather type....RW RW RW RW RW RW
Tstm cov........ISO ISO ISO
CWR.............10 10 10 10 10 10 0 0 0 0 0 0
LAL.............M M M M M M M M M M M M
Temp............64 62 58 54 52 50 48 47 46 45 45 44
RH..............40 43 49 59 63 68 77 76 79 82 79 82
20 FT wind dir..W W W W W W W W W SW SW S
20 FT wind spd..12 10 9 8 7 7 6 6 5 5 5 5
20 FT wind gust.21 20 18 16 15 13 12 10 9 9 9 9
Mix hgt (kft)...3.5 2.6 1.3 0.6 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.W W SW SW SW SW SW S S SW S S
Transp wind spd.20 20 12 10 8 8 7 7 8 7 9 9
Haines index....M M M M M M M M M M M M
SDspl kt-ft/100059 44 13 5 4 3 3 3 3 3 4 3
.SATURDAY...
Sky/weather.........Mostly sunny (20-30 percent). Slight chance of
showers and thunderstorms late in the
afternoon.
CWR.................5 percent.
LAL.................2.
Max temperature.....71 to 76 degrees.
Min humidity........17 to 23 percent.
Wind (20 ft)........Southwest winds 6 to 12 mph. Gusty and erratic
winds expected near thunderstorms late in the
afternoon.
Mixing height.......8500 ft AGL.
Transport winds.....Southwest 8 to 17 mph shifting to the west 20
to 22 mph in the afternoon.
Smoke dispersal.....Poor (3600 knot-ft) early in the morning
increasing to good (98800 knot-ft) in the
afternoon increasing to very good (105000
knot-ft) early in the morning increasing to
excellent (152600 knot-ft) in the afternoon in
the afternoon.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........15 15 15 7 7 7 33 33 33 45 45 45
Weather cov..... SCH SCH SCH
Weather type.... RW RW RW
Tstm cov........ SCH SCH SCH
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
LAL.............M M M M M M M M M M M M
Temp............43 46 51 57 64 66 68 69 70 71 71 70
RH..............82 71 59 45 35 32 28 26 24 22 21 21
20 FT wind dir..S S SW SW SW SW SW SW W W W W
20 FT wind spd..6 6 7 7 8 8 9 10 10 10 12 10
20 FT wind gust.10 12 13 14 15 16 18 18 20 21 21 21
Mix hgt (kft)...0.4 1.1 2.3 3.5 4.9 6.6 7.8 8.5 8.5 7.9 6.9 5.5
Transp wind dir.S S SW W W W W W W W W W
Transp wind spd.9 8 8 14 15 17 20 21 21 21 22 22
Haines index....M M M M M M M M M M M M
SDspl kt-ft/10004 7 16 43 64 99 133 152 153 143 132 105
$$
Requested by...Beaver Dam IC
Type of request...WILDFIRE
.TAG 2517289.0/CYS
.DELDT 07/04/25
.FormatterVersion 2.0.0
.EMAIL wycpc@firenet.gov