737
FNUS75 KCYS 221127
FWSCYS
SPOT FORECAST FOR MOONSHINE FIRE...USWFS
NATIONAL WEATHER SERVICE CHEYENNE WY
527 AM MDT TUE SEP 22 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227.
DISCUSSION
LIGHT SOUTH WINDS THIS MORNING WILL SHIFT INTO THE
SOUTHEAST BEFORE THIS EVENING. SHOWERS AND WIDELY SCATTERED
THUNDERSTORMS ARE FORECAST TO DEVELOP OVER THE HIGHER MOUNTAINS
AND LIFT NORTHEAST ACROSS THE AREA. BEST TIMING FOR THUNDERSTORMS
IS BETWEEN THE HOURS OF 1700 AND 2200 IN THE LATE AFTERNOON THROUGH
THE LATE EVENING HOURS. BRIEF GUSTY WINDS ARE POSSIBLE WITH BOTH
SHOWER AND THUNDERSTORM ACTIVITY BEFORE THEY DISSIPATE BY MIDNIGHT.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....75 TO 79 DEGREES.
MIN HUMIDITY........30 TO 35 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 9 MPH SHIFTING TO THE
SOUTHEAST 5 TO 10 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......7100 FT AGL.
TRANSPORT WINDS.....WEST 8 TO 14 MPH SHIFTING TO THE SOUTHEAST LATE
IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD (83200 KNOT-FT) IN THE
AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........36 36 36 20 20 20 25 25 25 35 35 35
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............49 47 51 57 64 68 73 76 77 78 77 75
RH..............83 85 73 60 46 42 40 37 37 35 35 35
20 FT WIND DIR..SW S S S S S S S SE SE SE SE
20 FT WIND SPD..5 5 6 6 6 6 7 7 7 7 7 6
20 FT WIND GUST.9 10 10 10 12 12 12 13 13 13 12 12
MIX HGT (KFT)...0.5 0.5 0.4 0.6 1.5 3.2 5.3 5.8 6.7 6.9 7.1 4.5
TRANSP WIND DIR.W W W W W W W W W SW SW SE
TRANSP WIND SPD.8 9 9 9 10 10 12 13 14 13 12 13
SDSPL KT-FT/10004 4 3 5 13 29 53 64 83 83 75 53
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT). SCATTERED RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS
OVERNIGHT.
CWR.................5 PERCENT.
MIN TEMPERATURE.....52 TO 57 DEGREES.
MAX HUMIDITY........65 TO 80 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 6 TO 10 MPH SHIFTING TO THE
SOUTHWEST 8 TO 16 MPH WITH GUSTS UP TO 35
MPH IN THE LATE EVENING AND OVERNIGHT. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
IN THE EVENING.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 12 TO 13 MPH SHIFTING TO THE
SOUTHWEST 13 TO 17 MPH IN THE LATE EVENING AND
OVERNIGHT.
SMOKE DISPERSAL.....POOR (5400 KNOT-FT).
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........34 34 34 64 64 64 74 74 74 77 77 77
WEATHER COV.....SCT SCT SCT SCT SCT SCT SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW RW RW
TSTM COV........SCH SCH SCH SCH SCH SCH
CWR.............10 10 10 10 10 10 0 0 0 0 0 0
TEMP............74 67 64 62 61 60 59 58 57 56 56 56
RH..............36 46 53 60 69 68 71 66 63 61 59 60
20 FT WIND DIR..SE SE S S S SW SW SW SW SW W W
20 FT WIND SPD..6 7 7 7 8 9 10 12 13 15 16 16
20 FT WIND GUST.12 12 13 14 16 17 20 22 25 29 31 33
MIX HGT (KFT)...2.2 1.0 0.5 0.7 0.7 0.6 0.6 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.SE SE S SW S SW SW W W W W W
TRANSP WIND SPD.13 13 12 14 13 13 14 15 15 15 16 17
SDSPL KT-FT/100026 11 5 9 7 6 7 7 7 7 7 8
WEDNESDAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT) THEN BECOMING PARTLY
SUNNY (65-75 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 75 DEGREES.
MIN HUMIDITY........30 TO 35 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 35
MPH SHIFTING TO THE NORTHWEST AROUND 7 MPH LATE
IN THE AFTERNOON.
MIXING HEIGHT.......8300 FT AGL.
TRANSPORT WINDS.....WEST 15 TO 22 MPH.
SMOKE DISPERSAL.....GOOD (96900 KNOT-FT).
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........90 90 90 66 66 66 64 64 64 72 72 72
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............55 54 57 61 65 67 70 73 74 75 75 74
RH..............64 66 62 57 49 45 41 35 34 32 31 32
20 FT WIND DIR..W W W W W W W W W W NW NW
20 FT WIND SPD..17 16 15 14 12 12 12 13 14 15 12 7
20 FT WIND GUST.35 32 30 26 24 22 22 24 28 28 23 15
MIX HGT (KFT)...0.5 0.5 0.6 1.3 2.7 3.7 4.5 6.9 8.3 7.1 7.5 6.9
TRANSP WIND DIR.W W W W W W W W W W SW W
TRANSP WIND SPD.18 15 16 16 20 20 20 21 22 18 20 16
SDSPL KT-FT/10009 7 9 18 46 66 78 126 158 115 127 98
REQUESTED BY...WADE FROSETH
TYPE OF REQUEST...WILDFIRE
.TAG 2622198.0/CYS
.DELDT 09/22/26
.FORMATTERVERSION 2.0.0
.EMAIL ASPAULDING@BLM.GOV,WFROSETH@BLM.GOV
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