147
FNUS75 KCYS 262005
FWSCYS
SPOT FORECAST FOR SHALE MACHINE PILE RX...USFS
NATIONAL WEATHER SERVICE CHEYENNE WY
105 PM MST MON JAN 26 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
EXPECTING FAIR CONDITIONS ON TUESDAY AS A HIGH PRESSURE OVERTAKES
THE REGION AND BRINGS MOSTLY CLEAR CONDITIONS AND LIGHT WINDS.
TEMPERATURES WILL REMAIN BELOW FREEZING, BUT INTO WEDNESDAY HIGHS
SHOULD JUMP BACK ABOVE FREEZING. CONDITIONS REMAIN SIMILARLY CALM
ON WEDNESDAY, BUT INCOMING CLOUDS FROM A PASSING SYSTEM WILL BEGIN
TO OVERSPREAD, AND THEN BY THE EVENING A SLIGHT CHANCE OF SNOW IS
EXPECTED.
TUESDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CWR.................1 PERCENT.
MAX TEMPERATURE.....AROUND 29.
MIN HUMIDITY........34 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 14 MPH.
MIXING HEIGHT.......4200 FT AGL.
TRANSPORT WINDS.....WEST 25 TO 30 MPH DECREASING TO AROUND 18 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (19800 KNOT-FT) EARLY IN THE MORNING
INCREASING TO VERY GOOD (104400 KNOT-FT) IN THE
AFTERNOON.
TIME (MST) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........18 16 11 9 7 6 5
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0
TEMP............27 28 29 29 28 26 24
RH..............35 37 34 34 35 38 41
20 FT WIND DIR..W W W W W W SW
20 FT WIND SPD..14 14 14 13 12 12 10
20 FT WIND GUST.28 28 28 26 24 22 20
MIX HGT (KFT)...3.2 3.6 4.0 4.2 3.9 3.3 1.2
TRANSP WIND DIR.W W W W W W W
TRANSP WIND SPD.28 29 30 29 28 25 18
SDSPL KT-FT/100078 89 104 104 93 72 20
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 17.
MAX HUMIDITY........49 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8 TO 10 MPH.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
SMOKE DISPERSAL.....POOR (13400 KNOT-FT).
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........7 11 17 17 15 13 14 16 20 26 34 39
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............23 21 20 19 19 19 19 20 20 19 18 17
RH..............41 43 45 44 44 44 44 41 43 44 44 49
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..9 8 8 8 8 8 8 8 8 9 9 10
20 FT WIND GUST.18 18 18 17 18 18 20 20 21 22 22 22
MIX HGT (KFT)...1.1 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.9 0.9 0.9
TRANSP WIND DIR.W W W W W SW SW SW SW SW SW SW
TRANSP WIND SPD.21 21 21 20 20 20 21 22 23 24 24 25
SDSPL KT-FT/100020 15 14 13 13 13 14 16 17 18 19 20
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). CHANCE OF SNOW
SHOWERS LATE IN THE AFTERNOON.
CWR.................6 PERCENT.
MAX TEMPERATURE.....AROUND 38.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 10 TO 12 MPH.
MIXING HEIGHT.......3200 FT AGL.
TRANSPORT WINDS.....WEST 21 TO 30 MPH.
SMOKE DISPERSAL.....POOR (15400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (84000 KNOT-FT) IN THE
AFTERNOON.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........44 45 45 44 44 43 49 56 62 67 71 76
WEATHER COV..... CHC
WEATHER TYPE.... SW
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 10
TEMP............19 20 22 26 30 34 36 37 37 35 33 30
RH..............45 42 41 36 31 27 27 26 27 29 31 37
20 FT WIND DIR..SW SW SW SW SW SW SW W W W W W
20 FT WIND SPD..10 10 10 10 12 12 12 12 12 12 10 10
20 FT WIND GUST.22 22 22 23 23 24 23 23 22 21 20 20
MIX HGT (KFT)...0.8 0.8 0.9 1.3 1.8 2.4 2.9 3.2 3.2 2.6 1.8 1.1
TRANSP WIND DIR.SW SW SW SW W W W W W W W W
TRANSP WIND SPD.24 23 23 24 25 26 29 30 30 28 23 21
SDSPL KT-FT/100017 15 17 27 40 54 72 84 84 63 35 19
FORECASTER...GOATLEY
REQUESTED BY...RONALD ZUCHOWSKI
TYPE OF REQUEST...PRESCRIBED
.TAG 2601048.0/CYS
.DELDT 01/26/26
.FORMATTERVERSION 2.0.0
.EMAIL RONALD.ZUCHOWSKI@USDA.GOV
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