Spot Forecast
Issued by NWS Cheyenne, WY
Issued by NWS Cheyenne, WY
814
FNUS75 KCYS 160217
FWSCYS
Spot Forecast for Reece Mt....WYS
National Weather Service Cheyenne WY
817 PM MDT Fri Aug 15 2025
If conditions become unrepresentative, contact the National Weather
Service at (307) 772-2227
.DISCUSSION...
Mostly cloudy tonight with a slight chance (15 to 20%) for isolated
showers. Showers out to the west are not gusting very high at this
time, staying around 15 to 20 mph. Similar conditions are expected
with any isolated showers tonight. Rain chances come to an end by
10pm tonight. Minimal lightning expected at this time. Overnight
winds will primarily be westerly around 10 to 15 mph with occasional
gusts 20 to mph. Westerly winds increase in the afternoon to around 15
mph gusting 20 to 25 mph. Winds calm back down by 7pm. Tonight, humidity
values expected to recover into the 55 to 60 percent before decreasing
to around 25 to 30 percent in the afternoon hours. Precipitation
chances increase by noon Saturday to around 35 to 45 percent for most
of the afternoon. Gusty and erratic winds cannot be ruled out with
showers and storms tomorrow afternoon.
.REST OF TONIGHT...
Sky/weather.........Mostly cloudy (65-75 percent).
CWR.................7 percent.
LAL.................
Min temperature.....Around 60.
Max humidity........58 percent.
Wind (20 ft)........West winds 7 to 10 mph.
Mixing height.......300 ft AGL.
Transport winds.....Southwest 10 to 14 mph shifting to the west 20
to 23 mph overnight.
Smoke dispersal.....Poor (3300 knot-ft).
Haines Index........MISSING.
TIME (MDT) 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P
Sky (%).........80 71 59 60 80 70 57 66 65
Weather cov.....
Weather type....
Tstm cov........
CWR.............10 10 10 0 0 0 0 0 0
LAL.............M M M M M M M M M
Temp............73 69 66 64 64 63 62 61 61
RH..............35 40 47 50 50 52 54 53 53
20 FT wind dir..SW SW W W W W W W W
20 FT wind spd..7 7 7 8 8 8 9 9 10
20 FT wind gust.8 10 14 15 16 17 18 18 18
Mix hgt (kft)...0.4 0.4 0.3 0.3 0.3 0.3 0.4 0.4 0.3
Transp wind dir.SW SW SW W W W W W W
Transp wind spd.10 12 14 20 22 23 22 22 23
Haines index....M M M M M M M M M
SDspl kt-ft/10003 4 4 5 7 7 7 7 7
.SATURDAY...
Sky/weather.........Partly sunny (50-60 percent). Slight chance of
thunderstorms early in the afternoon. Chance of
showers in the afternoon. Chance of
thunderstorms late in the afternoon.
CWR.................6 percent.
LAL.................
Max temperature.....Around 82.
Min humidity........28 percent.
Wind (20 ft)........West winds 8 to 12 mph. Gusty and erratic winds
expected near thunderstorms early in the
afternoon. Gusty and erratic winds expected
near thunderstorms late in the afternoon.
Mixing height.......10100 ft AGL.
Transport winds.....West 17 to 23 mph.
Smoke dispersal.....Poor (6500 knot-ft) early in the morning
increasing to good (73200 knot-ft) in the
afternoon increasing to very good (106600
knot-ft) early in the morning increasing to
excellent (151900 knot-ft) in the afternoon in
the afternoon.
Haines Index........MISSING.
TIME (MDT) MID 1AM 2AM 3AM 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A
Sky (%).........69 61 47 62 40 57 45 46 57 66 62 56
Weather cov..... CHC CHC CHC CHC CHC CHC
Weather type.... RW RW RW RW RW RW
Tstm cov........ SCH SCH SCH CHC CHC CHC
CWR.............0 0 0 0 0 0 10 10 10 10 10 10
LAL.............M M M M M M M M M M M M
Temp............60 61 64 67 74 76 78 79 79 79 79 80
RH..............58 56 52 50 38 34 31 30 29 28 28 28
20 FT wind dir..W W W W W W W W W W W SW
20 FT wind spd..10 12 12 12 12 12 12 12 10 9 9 8
20 FT wind gust.20 20 21 22 22 20 20 18 18 18 17 16
Mix hgt (kft)...0.3 0.3 0.7 1.5 2.6 4.3 7.1 8.4 9.4 10 9.2 9.2
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.22 23 23 23 22 20 17 20 18 17 17 18
Haines index....M M M M M M M M M M M M
SDspl kt-ft/10007 7 14 29 50 73 107 142 150 152 139 148
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (25-35 percent). Slight chance of
thunderstorms early in the evening. Slight
chance of rain showers in the evening. Areas of
smoke late in the evening.
CWR.................4 percent.
LAL.................
Min temperature.....Around 58.
Max humidity........53 percent.
Wind (20 ft)........Southwest winds 7 to 8 mph shifting to the west
8 to 9 mph overnight. Gusty and erratic winds
expected near thunderstorms early in the
evening.
Mixing height.......0 ft AGL.
Transport winds.....West 8 to 17 mph.
Smoke dispersal.....Good (91600 knot-ft) early in the evening
decreasing to poor (0 knot-ft) late in the
night.
Haines Index........MISSING.
TIME (MDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P
Sky (%).........38 38 38 37 32 28 23 22 20 19 18 17
Weather cov.....SCH SCH SCH SCH SCH ARS ARS ARS ARS ARS ARS ARS
Weather type....RW RW RW RW RW SMK SMK SMK SMK SMK SMK SMK
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............78 77 72 67 65 64 62 61 61 60 59 59
RH..............29 31 37 43 46 46 50 50 50 49 51 51
20 FT wind dir..SW S SW W W W W W W W W W
20 FT wind spd..8 7 7 7 7 7 8 8 8 8 8 9
20 FT wind gust.16 14 13 13 13 14 15 16 16 17 18 18
Mix hgt (kft)...8.1 5.7 2.8 0.3 0.1 0.1 0.3 0.3 0.3 0.3 0.3 0.3
Transp wind dir.SW W W W W W W W W W W W
Transp wind spd.15 13 10 8 9 12 14 15 16 17 17 17
Haines index....M M M M M M M M M M M M
SDspl kt-ft/100092 55 22 2 0 0 4 4 4 4 4 4
$$
Forecaster...Mose
Requested by...Russel Haynes
Type of request...WILDFIRE
.TAG 2520010.0/CYS
.DELDT 08/15/25
.FormatterVersion 2.0.0
.EMAIL wycpc@firenet.gov