351
FNUS75 KCYS 111331
FWSCYS
SPOT FORECAST FOR WHITE ROCKS RX...USFS
NATIONAL WEATHER SERVICE CHEYENNE WY
631 AM MST THU DEC 11 2025
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
STRONG WINDS AND SOME BLOWING SNOW EXPECTED TODAY
NEAR THE SNOWY RANGE. WESTERLY WINDS WILL GUSTY OVER 55 MPH FOR
MOST OF TODAY BEFORE SLOWLY DECREASING TONIGHT. WINDS WILL CONTINUE
TO SLOWLY DIMINISH ON FRIDAY, BUT IT WILL STILL BE WINDY.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). PATCHY BLOWING
SNOW.
CWR.................0 PERCENT.
MAX TEMPERATURE.....40 TO 45 DEGREES.
MIN HUMIDITY........40 TO 50 PERCENT.
WIND (20 FT)........WINDY. WEST WINDS 25 TO 52 MPH WITH GUSTS TO
AROUND 58 MPH.
MIXING HEIGHT.......1700 FT AGL.
TRANSPORT WINDS.....WEST 38 TO 47 MPH DECREASING TO AROUND 35 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD (65600 KNOT-FT) IN THE AFTERNOON.
TIME (MST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........61 50 50 50 45 45 45 40
WEATHER COV.....PTY PTY PTY PTY PTY PTY PTY PTY
WEATHER TYPE....BSN BSN BSN BSN BSN BSN BSN BSN
TSTM COV........
CWR.............0 0 0 0 0 0 0 0
TEMP............42 42 43 44 42 42 40 36
RH..............45 45 45 43 45 45 46 54
20 FT WIND DIR..W W W W W W W W
20 FT WIND SPD..32 32 31 30 29 29 29 29
20 FT WIND GUST.58 58 55 53 52 52 52 52
MIX HGT (KFT)...1.7 1.7 1.4 1.4 1.6 1.4 1.1 0.8
TRANSP WIND DIR.W W W W W W W W
TRANSP WIND SPD.44 45 47 46 43 40 38 35
SDSPL KT-FT/100063 66 56 56 58 49 37 25
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). PATCHY BLOWING
SNOW IN THE EVENING.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 25 DEGREES.
MAX HUMIDITY........75 TO 90 PERCENT.
WIND (20 FT)........BREEZY. WEST WINDS 30 MPH BECOMING
SOUTHWEST AROUND 15 TO 20 MPH EARLY IN THE MORNING.
GUSTS UP TO 52 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....WEST 32 TO 37 MPH.
SMOKE DISPERSAL.....POOR (13100 KNOT-FT).
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........40 40 37 37 37 34 34 34 36 36 36 32
WEATHER COV.....PTY PTY PTY PTY PTY
WEATHER TYPE....BSN BSN BSN BSN BSN
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............35 34 34 33 31 31 31 31 30 30 28 28
RH..............56 58 58 61 63 63 63 66 69 69 78 78
20 FT WIND DIR..W W W W W W W W W W W SW
20 FT WIND SPD..29 29 28 28 28 28 28 28 28 28 28 17
20 FT WIND GUST.52 49 45 44 45 45 45 45 45 45 45 45
MIX HGT (KFT)...1.1 0.5 0.4 0.6 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.37 36 36 37 37 36 36 37 37 36 35 32
SDSPL KT-FT/100035 15 13 19 20 18 18 18 17 15 14 14
REQUESTED BY...RONALD ZUCHOWSKI
TYPE OF REQUEST...PRESCRIBED
.TAG 2527463.0/CYS
.DELDT 12/11/25
.FORMATTERVERSION 2.0.0
.EMAIL RONALD.ZUCHOWSKI@USDA.GOV
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