577
FNUS75 KCYS 151646
FWSCYS
SPOT FORECAST FOR POLE MTN PRESCIBED...USFS
NATIONAL WEATHER SERVICE CHEYENNE WY
1046 AM MDT THU OCT 15 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
A WARMING AND DRYING TREND WILL BEGIN ON FRIDAY, WITH A PROLONGED
PERIOD OF ABOVE AVERAGE TEMPERATURES AND MOSTLY SUNNY SKIES. FRIDAY
WILL FEATURE SEASONABLY COOL TEMPERATURES, WITH A HIGH IN THE UPPER
40S. MINIMUM RELATIVE HUMIDITY WILL FALL TO ABOUT 30 PERCENT WITH
LIGHT WINDS EXPECTED.
AS HIGH PRESSURE STRENGTHENS OVER THE AREA, TEMPERATURES WILL RISE
TO ABOUT 60 DEGREES ON SATURDAY. THIS IS ABOVE AVERAGE FOR MID TO LATE
OCTOBER. WINDS WILL BE STRONGEST ON SATURDAY WITH SUSTAINED WEST WINDS
AT 15 TO 20 MPH AND GUSTS TO 30 MPH. THE BREEZY CONDITIONS AND ABOVE
AVERAGE TEMPERATURES WILL LEAD TO DRYING CONDITIONS, WITH MINIMUM
RELATIVE HUMIDITY LIKELY FALLING IN THE 20 TO 25 PERCENT RANGE. BREEZY
CONDITIONS WILL CONTINUE INTO SUNDAY MORNING, WITH WINDS GRADUALLY
WEAKENING AS THE DAY PROGRESSES. HIGH TEMPERATURE AND MINIMUM RELATIVE
HUMIDITY WILL BE COMPARABLE TO SATURDAY.
DRY AND MILD CONDITIONS WILL CONTINUE THROUGH MID WEEK, WITH LIGHT WINDS
LIKELY THROUGH WEDNESDAY. HIGH TEMPERATURES MONDAY THROUGH WEDNESDAY WILL
HOVER AROUND 60. ALTHOUGH PRECIPITATION CHANCES DURING THIS TIME WILL BE
MINIMAL, MINIMUM RELATIVE HUMIDITY WILL GRADUALLY INCREASE AS THE WEEK
PROGRESSES DUE TO A POTENT TROUGH POTENTIALLY ARRIVING TOWARDS THE END OF
THE WEEK. MINIMUM RELATIVE HUMIDITY WILL BE IN THE 30S MONDAY THROUGH
WEDNESDAY. DUE TO LIGHT WINDS ON MONDAY, SMOKE DISPERSAL WILL BE POOR
DURING THE MORNING HOURS, BUT BECOME FAIR DURING THE AFTERNOON. SMOKE
DISPERSAL WILL BE SIMILAR FOR TUESDAY, WITH POOR CONDITIONS IN THE MORNING
AND FAIR TO POSSIBLY GOOD CONDITIONS IN THE AFTERNOON.
FRIDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 49.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH LATE IN THE MORNING
BECOMING LIGHT, THEN BECOMING SOUTHWEST AROUND
5 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......1800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 6 TO 10 MPH SHIFTING TO THE SOUTH 6
TO 8 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (3900 KNOT-FT).
TIME (MDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........6 2 2 1 2 2 2 2 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0
TEMP............28 33 37 40 43 47 49 48 43
RH..............58 49 40 34 29 26 26 30 39
20 FT WIND DIR..W SW SW SW SW SW SW SW SW
20 FT WIND SPD..7 6 5 3 3 3 3 5 5
20 FT WIND GUST.12 10 8 7 7 7 7 8 9
MIX HGT (KFT)...0.4 0.6 1.0 1.3 1.4 1.7 1.8 1.4 0.7
TRANSP WIND DIR.W W NW SW SW S S S S
TRANSP WIND SPD.10 8 6 6 6 7 7 8 8
SDSPL KT-FT/10004 4 5 6 7 10 11 10 5
FRIDAY NIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 33.
MAX HUMIDITY........61 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 14 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 8 TO 14 MPH SHIFTING TO THE WEST 14
TO 17 MPH OVERNIGHT.
SMOKE DISPERSAL.....POOR (2600 KNOT-FT).
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........2 5 5 4 5 4 5 7 7 6 6 7
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............37 34 33 33 34 34 34 34 35 35 36 36
RH..............54 61 61 56 51 49 47 47 43 41 40 38
20 FT WIND DIR..SW SW SW SW SW SW W W W W W W
20 FT WIND SPD..6 7 7 7 8 9 10 12 13 14 14 14
20 FT WIND GUST.10 12 13 15 16 18 21 23 25 26 26 26
MIX HGT (KFT)...0.4 0.4 0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.6
TRANSP WIND DIR.S SW SW SW W W W W W W W W
TRANSP WIND SPD.8 10 10 12 13 14 14 16 16 17 17 17
SDSPL KT-FT/10003 3 4 5 6 6 6 8 8 8 8 8
SATURDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........WEST WINDS 12 TO 15 MPH WITH GUSTS TO AROUND 29
MPH.
MIXING HEIGHT.......2300 FT AGL.
TRANSPORT WINDS.....WEST 17 TO 23 MPH.
SMOKE DISPERSAL.....POOR (8000 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (41000 KNOT-FT) IN THE
AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........5 10 9 5 3 2 3 3 4 4 3 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............36 36 37 40 44 49 54 58 60 60 57 53
RH..............38 38 38 37 35 31 28 26 24 25 29 35
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..13 13 14 14 15 15 15 15 14 13 12 12
20 FT WIND GUST.25 25 26 28 29 29 29 28 26 24 23 21
MIX HGT (KFT)...0.5 0.5 0.6 0.6 0.8 1.0 1.3 1.8 2.1 2.3 1.9 1.3
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.18 17 20 22 23 22 22 22 21 21 20 20
SDSPL KT-FT/10009 8 9 12 16 20 25 33 39 41 32 22
FORECAST DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE UPPER 50S. WEST WINDS
AROUND 11 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S.
SOUTH WINDS AROUND 6 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S.
SOUTH WINDS AROUND 7 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S.
THURSDAY
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE MID 40S. HIGHS IN
THE UPPER 50S.
FORECASTER...FULLER
REQUESTED BY...COYDE FICKEL
TYPE OF REQUEST...PRESCRIBED
.TAG 2623834.0/CYS
.DELDT 10/15/26
.FORMATTERVERSION 2.0.0
.EMAIL COYDE.FICKEL@USDA.GOV
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