677
FNUS75 KCYS 261112
FWSCYS
SPOT FORECAST FOR MOONSHINE FIRE...USWFS
NATIONAL WEATHER SERVICE CHEYENNE WY
512 AM MDT SAT SEP 26 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
PLEASANT WEATHER TODAY WITH TEMPERATURES AROUND 10
DEGREES ABOVE AVERAGE WITH MOSTLY DRY CONDITIONS. WINDY EARLY THIS
MORNING WITH GUSTS UP TO 45 MPH, BUT WINDS ARE EXPECTED TO DIMINISH
THROUGH THE AFTERNOON HOURS. THUNDERSTORMS ARE FORECAST TO RETURN
TO THE AREA ON SUNDAY AS LOW LEVEL MOISTURE MOVES BACK INTO THE
AREA FROM THE GREAT PLAINS.
TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....75 TO 80 DEGREES.
MIN HUMIDITY........22 TO 27 PERCENT.
WIND (20 FT)........BREEZY. WEST WINDS 15 TO 25 MPH WITH GUSTS UP TO
45 MPH DECREASING TO 9 TO 14 MPH BY MID TO LATE
AFTERNOON.
MIXING HEIGHT.......9300 FT AGL.
TRANSPORT WINDS.....WEST 18 TO 26 MPH DECREASING TO 15 TO 18 MPH IN
THE AFTERNOON.
SMOKE DISPERSAL.....VERY GOOD (108200 KNOT-FT).
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........7 7 7 3 3 3 4 4 4 39 39 39
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............56 54 57 61 67 70 73 76 77 78 78 76
RH..............57 60 54 47 37 34 31 26 25 24 24 25
20 FT WIND DIR..W W W W W W W W W NW W W
20 FT WIND SPD..25 23 21 20 17 16 14 14 13 12 12 9
20 FT WIND GUST.46 44 40 37 32 29 26 25 24 23 21 17
MIX HGT (KFT)...0.5 0.5 0.6 0.9 1.9 3.6 6.0 7.6 8.4 9.2 9.3 8.0
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.25 26 26 24 22 18 15 16 17 18 18 17
SDSPL KT-FT/100012 12 14 19 37 66 80 108 129 147 148 125
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....50 TO 55 DEGREES.
MAX HUMIDITY........50 TO 65 PERCENT.
WIND (20 FT)........WEST WINDS 4 TO 8 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 16 MPH.
SMOKE DISPERSAL.....POOR (5300 KNOT-FT).
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........42 42 42 45 45 45 19 19 19 43 43 43
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............75 71 66 64 63 61 60 58 58 57 56 55
RH..............27 33 38 40 42 45 46 48 46 48 51 54
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..8 7 7 7 7 7 8 8 8 8 8 8
20 FT WIND GUST.15 14 13 14 14 14 15 15 15 15 15 15
MIX HGT (KFT)...2.7 0.7 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.W W W SW W W SW W W W SW W
TRANSP WIND SPD.12 9 12 14 14 15 15 15 15 16 16 16
SDSPL KT-FT/100028 6 5 6 6 6 6 6 7 7 7 7
SUNDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON.
CWR.................5 PERCENT.
MAX TEMPERATURE.....AROUND 75 DEGREES.
MIN HUMIDITY........25 TO 30 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 7 TO 8 MPH SHIFTING TO THE
SOUTH 5 TO 10 MPH LATE IN THE MORNING. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
LATE IN THE AFTERNOON.
MIXING HEIGHT.......9300 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 15 MPH SHIFTING TO THE SOUTH 10 TO 16
MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....GOOD (90800 KNOT-FT).
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........49 49 49 51 51 51 44 44 44 64 64 64
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... RW RW RW
TSTM COV........ SCH SCH SCH
CWR.............0 0 0 0 0 0 10 10 10 10 10 10
TEMP............55 54 56 60 66 69 72 74 75 75 76 74
RH..............55 57 53 45 37 34 30 29 30 31 31 33
20 FT WIND DIR..W W SW SW SW S S S S S SE SE
20 FT WIND SPD..8 7 7 7 7 7 7 7 7 7 8 10
20 FT WIND GUST.15 15 14 13 13 13 13 13 13 14 16 18
MIX HGT (KFT)...0.5 0.5 0.4 0.7 2.1 4.2 5.0 7.5 9.3 7.7 7.9 3.5
TRANSP WIND DIR.W W W W SW S S S S S S S
TRANSP WIND SPD.15 13 13 10 9 10 10 14 16 15 15 12
SDSPL KT-FT/10007 5 5 7 18 38 45 91 131 103 105 37
REQUESTED BY...WADE FROSETH
TYPE OF REQUEST...WILDFIRE
.TAG 2622198.4/CYS
.DELDT 09/26/26
.FORMATTERVERSION 2.0.0
.EMAIL ASPAULDING@BLM.GOV,WFROSETH@BLM.GOV
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