511
FNUS75 KCYS 241326
FWSCYS
SPOT FORECAST FOR SHALE MACHINE PILE RX...USFS
NATIONAL WEATHER SERVICE CHEYENNE WY
626 AM MST SAT JAN 24 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
VERY BREEZY SOUTHWESTERLY WINDS ARE EXPECTED MONDAY MORNING THROUGH
THE EVENING HOURS. WINDS WILL SLOWLY DECREASE INTO THE OVERNIGHT HOURS
MONDAY, DROPPING TO 10 TO 15 MPH BY VERY EARLY TUESDAY MORNING. VERY
COLD WIND CHILLS ARE EXPECTED MONDAY MORNING WITH THE BREEZY CONDITIONS.
WIND CHILL VALUES WILL DROP INTO THE -20S AND REMAIN IN THE NEGATIVES
UNTIL LATE MONDAY MORNING. TUESDAY MORNING WILL BE WARMER, WITH WIND
CHILL VALUES ONLY IN THE POSITIVE SINGLE DIGITS. AFTERNOON MINIMUM
RELATIVE HUMIDITY VALUES DECREASE INTO THE 25 TO 30 PERCENT RANGE ON
MONDAY AFTERNOON, WITH 30 TO 35 PERCENT EXPECTED TUESDAY AFTERNOON.
NO PRECIPITATION IS CURRENTLY EXPECTED MONDAY OR TUESDAY.
MONDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 25.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 14 TO 16 MPH.
MIXING HEIGHT.......3400 FT AGL.
TRANSPORT WINDS.....WEST 26 TO 33 MPH INCREASING TO 29 TO 37 MPH
LATE IN THE AFTERNOON, THEN DECREASING TO
AROUND 25 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (27200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO VERY GOOD (110100 KNOT-FT) IN THE
AFTERNOON.
TIME (MST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........3 3 2 4 6 7 8 8 8
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0
TEMP............11 15 19 21 22 24 22 21 19
RH..............39 34 30 29 31 30 32 34 37
20 FT WIND DIR..SW SW SW SW W W W W SW
20 FT WIND SPD..16 15 15 15 16 16 16 15 14
20 FT WIND GUST.28 26 26 26 28 29 28 26 25
MIX HGT (KFT)...1.4 2.0 2.5 3.0 3.4 3.4 2.9 2.0 1.2
TRANSP WIND DIR.SW W W W W W W W W
TRANSP WIND SPD.26 29 31 33 37 37 33 29 25
SDSPL KT-FT/100032 49 67 88 109 110 83 50 27
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 14.
MAX HUMIDITY........46 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 12 TO 14 MPH.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 23 TO 26 MPH.
SMOKE DISPERSAL.....POOR (16300 KNOT-FT).
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........10 13 17 22 27 32 35 37 39 41 43 46
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............18 17 16 16 16 16 16 16 16 16 15 15
RH..............38 38 40 40 42 42 42 44 44 44 46 46
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..14 13 13 13 12 12 12 12 12 12 12 12
20 FT WIND GUST.24 24 24 23 22 20 26 25 25 25 24 24
MIX HGT (KFT)...1.0 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.8 0.8
TRANSP WIND DIR.W SW SW SW SW SW SW W W W W W
TRANSP WIND SPD.25 25 26 26 25 25 25 25 25 24 24 23
SDSPL KT-FT/100021 20 21 20 20 20 20 20 20 18 17 16
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 31.
MIN HUMIDITY........34 PERCENT.
WIND (20 FT)........WEST WINDS 8 TO 12 MPH WITH GUSTS TO AROUND 26
MPH.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....WEST 21 TO 30 MPH INCREASING TO 22 TO 31 MPH
LATE IN THE AFTERNOON, THEN SHIFTING TO THE
SOUTHWEST AROUND 18 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (15100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO VERY GOOD (108200 KNOT-FT) IN THE
AFTERNOON.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........49 52 53 50 47 44 45 45 45 41 35 30
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............15 16 17 20 24 27 28 29 30 28 26 24
RH..............46 46 46 43 38 35 35 35 34 37 40 43
20 FT WIND DIR..SW SW SW SW W W W W W W W W
20 FT WIND SPD..12 12 12 12 12 12 12 12 12 10 9 8
20 FT WIND GUST.24 25 25 25 26 26 26 26 25 24 22 21
MIX HGT (KFT)...0.8 0.9 1.1 1.8 2.5 3.2 3.7 4.0 3.9 3.1 2.1 1.1
TRANSP WIND DIR.W SW SW W W W W W W W W SW
TRANSP WIND SPD.22 21 21 23 25 28 30 31 31 28 22 18
SDSPL KT-FT/100015 16 20 35 56 77 97 108 105 75 39 18
FORECASTER...MOSE
REQUESTED BY...COYDE FICKEL
TYPE OF REQUEST...PRESCRIBED
.TAG 2600959.0/CYS
.DELDT 01/26/26
.FORMATTERVERSION 2.0.0
.EMAIL COYDE.FICKEL@USDA.GOV
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