587
FNUS75 KCYS 271113
FWSCYS
SPOT FORECAST FOR POLE MTN RX...USFS
NATIONAL WEATHER SERVICE CHEYENNE WY
513 AM MDT TUE OCT 27 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
COOL AND BREEZY FOR TODAY WITH SOUTHWESTERLY WINDS 20 TO 25 MPH GUSTING 35+ MPH
THROUGH THE MORNING HOURS BEFORE DECREASING TO 15 TO 20 MPH GUSTING TO 30 MPH BY
2PM THIS AFTERNOON. WINDS REMAIN SOUTHWESTERLY THROUGHOUT THE DAY. WINDS DECREASE
TO AROUND 10 TO 15 MPH BY 11PM TONIGHT. EXPECT WINDS TO INCREASE AGAIN WEDNESDAY
MORNING BY 6AM. MINIMUM HUMIDITY VALUES WILL DROP TO AROUND 30 TO 35 PERCENT THIS
AFTERNOON WITH NO PRECIPITATION EXPECTED. SKIES CLEAR THROUGH THE MORNING HOURS
WITH MOSTLY SUNNY SKIES EXPECTED BY THE AFTERNOON. FOG SHOULD CLEAR OUT AFTER
SUNRISE THIS MORNING.
TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT). AREAS OF DENSE FOG EARLY
IN THE MORNING, THEN PATCHY FOG EARLY IN THE
MORNING.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 52.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........WEST WINDS 16 TO 23 MPH SHIFTING TO THE
SOUTHWEST 12 TO 13 MPH LATE IN THE AFTERNOON.
GUSTS UP TO 45 MPH.
MIXING HEIGHT.......5700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 26 TO 33 MPH DECREASING TO AROUND 22
MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (13500 KNOT-FT) EARLY IN THE MORNING
INCREASING TO VERY GOOD (111700 KNOT-FT) IN THE
AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........17 24 19 12 9 16 20 28 33 29 28 21
WEATHER COV.....ARS ARS PTY PTY PTY
WEATHER TYPE....FOG FOG FOG FOG FOG
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............37 37 37 38 39 42 46 48 49 51 49 48
RH..............59 56 56 54 52 46 40 37 34 30 34 37
20 FT WIND DIR..W W W W W W W W SW SW SW SW
20 FT WIND SPD..21 22 23 23 23 23 22 21 18 16 13 12
20 FT WIND GUST.40 43 44 45 45 45 43 39 35 30 25 22
MIX HGT (KFT)...0.6 0.6 0.7 1.5 2.7 3.5 4.0 4.7 5.1 5.7 5.3 3.7
TRANSP WIND DIR.W W W W W W SW SW SW SW SW SW
TRANSP WIND SPD.28 28 29 29 32 33 32 32 32 29 26 22
SDSPL KT-FT/100014 14 18 37 75 100 112 131 143 143 121 70
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 37.
MAX HUMIDITY........70 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8 TO 15 MPH. GUSTS UP TO 29 MPH
AFTER 3 AM.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 14 TO 23 MPH.
SMOKE DISPERSAL.....POOR (5800 KNOT-FT).
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........20 19 11 7 9 32 37 27 42 51 55 50
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............46 42 40 39 38 38 39 38 38 38 38 38
RH..............43 55 62 67 70 64 57 57 52 50 48 48
20 FT WIND DIR..S S SW SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..10 10 12 12 12 10 9 8 9 10 13 15
20 FT WIND GUST.20 21 22 23 22 18 17 17 18 21 24 29
MIX HGT (KFT)...0.7 0.5 0.5 0.5 0.5 0.5 0.6 0.6 0.7 0.6 0.7 0.7
TRANSP WIND DIR.S S S S SW SW SW W SW SW W W
TRANSP WIND SPD.14 14 14 15 14 15 17 20 22 23 23 23
SDSPL KT-FT/10008 6 6 7 6 7 9 11 13 13 14 14
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
SUNNY (15-25 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 55.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........WEST WINDS 14 TO 20 MPH WITH GUSTS TO AROUND 38
MPH.
MIXING HEIGHT.......7100 FT AGL.
TRANSPORT WINDS.....WEST 21 TO 30 MPH.
SMOKE DISPERSAL.....POOR (11200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (84000 KNOT-FT) IN THE
AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........41 78 65 28 11 9 13 13 11 8 7 7
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............38 37 37 38 40 42 47 49 51 53 51 50
RH..............48 52 54 52 48 43 34 31 29 28 32 36
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..16 16 16 16 17 18 20 20 20 18 16 14
20 FT WIND GUST.32 32 32 32 33 36 37 38 38 36 31 25
MIX HGT (KFT)...0.6 0.6 1.0 2.2 3.7 5.0 5.6 6.8 7.1 6.6 6.1 4.7
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.22 21 21 21 26 29 30 28 28 28 24 21
SDSPL KT-FT/100011 12 19 39 84 125 146 164 170 159 128 84
FORECASTER...MOSE
REQUESTED BY...COYDE FICKEL
TYPE OF REQUEST...PRESCRIBED
.TAG 2624441.2/CYS
.DELDT 10/27/26
.FORMATTERVERSION 2.0.0
.EMAIL COYDE.FICKEL@USDA.GOV
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