783
FNUS75 KCYS 110137
FWSCYS
SPOT FORECAST FOR MOONSHINE...CASPER DISPATXH
NATIONAL WEATHER SERVICE CHEYENNE WY
737 PM MDT THU SEP 10 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
..RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING
DISCUSSION
OVERNIGHT TONIGHT EXPECT NO PRECIPITATION, WITH WESTERLY WINDS OF 15-25 MPH
GUSTING AS HIGH AS 25-35 MPH, WITH OVERNIGHT RECOVERIES RANGING FROM
15-25%. TOMORROW, CAN EXPECT A CONTINUATION OF WESTERLY WINDS
RANGING FROM 20-30 MPH, WITH PEAK GUSTS OF 30-40 MPH, AND MINIMUM
DAYTIME RH VALUES OF 15-25%, MAINLY DURING THE LATE MORNING AND
EARLY AFTERNOON HOURS. THERE IS A THREAT OF HIGH-BASED SHOWERS
THAT WILL BE CAPABLE OF PRODUCING DRY LIGHTNING AND GUSTY AND
ERRATIC WINDS, MAINLY TOMORROW AFTERNOON THROUGH THE EVENING
HOURS. A COLD FRONT WILL MOVE THROUGH THE AREA FRIDAY EVENING INTO
THE OVERNIGHT HOURS, WHICH WILL RESULT IN VARIABLE WINDS OF 5-15
MPH, AND PEAK GUSTS OF 15-20 MPH. FAIR OVERNIGHT RECOVERIES ARE
EXPECTED, RANGING FROM 70-80%.
ON SATURDAY, CAN EXPECT ANOTHER ROUND OF AFTERNOON AND EVENING
SHOWERS AND THUNDERSTORMS, WHICH WILL BE CAPABLE OF PRODUCING
LIGHTNING, AND GUSTY AND ERRATIC WINDS, EVEN IN AREAS THAT AREN'T
DIRECTLY BENEATH A STORM. SSE WINDS WILL BE IN PLACE, RANGING FROM
5-15 MPH, WITH PEAK GUSTS OF OF 20-30 MPH. MINIMUM RH VALUES
DURING THE DAY ARE ANTICIPATED TO RANGE FROM 20-30%. HEADING INTO
SATURDAY EVENING, CAN EXPECT SOUTHERLY WINDS OF 5-15 MPH, WITH
GUSTS OF 20-30 MPH AND MOST SHOWER/THUNDERSTORM ACTIVITY
DIMINISHING SHORTLY AFTER SUNSET. OVERNIGHT RECOVERIES SATURDAY
NIGHT INTO SUNDAY ARE EXPECTED TO RANGE FROM 60-70%
REST OF TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 59.
MAX HUMIDITY........23 PERCENT.
WIND (20 FT)........WEST WINDS 15 TO 18 MPH WITH GUSTS TO AROUND 36
MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST 22 TO 24 MPH.
SMOKE DISPERSAL.....POOR (10400 KNOT-FT).
TIME (MDT) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........28 39 42 49 60 69 70 70 79 77
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0
TEMP............72 69 67 65 64 63 62 61 61 60
RH..............10 11 13 14 14 15 16 18 19 20
20 FT WIND DIR..W W W W W W W W W W
20 FT WIND SPD..18 18 18 18 18 17 16 16 15 15
20 FT WIND GUST.35 36 36 36 35 33 32 31 29 28
MIX HGT (KFT)...0.5 0.5 0.6 0.6 0.6 0.5 0.6 0.6 0.6 0.5
TRANSP WIND DIR.W W W W W W W W W W
TRANSP WIND SPD.23 23 23 23 23 24 24 23 22 22
SDSPL KT-FT/100011 11 11 11 11 11 12 11 11 10
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT) THEN BECOMING
SUNNY (20-30 PERCENT).
CWR.................1 PERCENT.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........18 PERCENT.
WIND (20 FT)........WEST WINDS 15 TO 21 MPH. GUSTS UP TO 37 MPH
INCREASING TO 40 MPH LATE IN THE MORNING.
MIXING HEIGHT.......9900 FT AGL INCREASING TO 10600 FT AGL LATE IN
THE AFTERNOON.
TRANSPORT WINDS.....WEST 21 TO 26 MPH INCREASING TO 32 TO 38 MPH IN
THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR (9900 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (43900 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (255700
KNOT-FT).
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........78 77 58 41 24 25 32 22 17 28 28 24
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............60 59 62 67 71 74 77 79 80 80 80 80
RH..............21 23 20 18 18 20 20 20 20 20 20 21
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..15 15 16 17 18 21 21 21 21 21 21 20
20 FT WIND GUST.28 29 31 33 37 39 40 40 40 40 39 37
MIX HGT (KFT)...0.5 0.5 0.9 1.9 4.3 6.5 8.0 9.4 9.9 11 10 10
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.22 21 23 26 32 36 37 38 37 37 36 35
SDSPL KT-FT/100010 10 18 44 121 201 256 310 316 339 317 308
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
CWR.................2 PERCENT.
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........74 PERCENT.
WIND (20 FT)........WEST WINDS 13 TO 18 MPH WITH GUSTS TO AROUND 35
MPH SHIFTING TO THE NORTH 6 TO 12 MPH IN THE
LATE EVENING AND OVERNIGHT, THEN SHIFTING TO
THE NORTHEAST AROUND 5 MPH AFTER 3 AM.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST 22 TO 31 MPH DECREASING TO 9 TO 18 MPH
EARLY IN THE EVENING, THEN SHIFTING TO THE
NORTH 8 TO 10 MPH OVERNIGHT SHIFTING TO THE
NORTHEAST AROUND 10 MPH EARLY IN THE MORNING.
SMOKE DISPERSAL.....EXCELLENT (208000 KNOT-FT) DECREASING TO FAIR
(50400 KNOT-FT) EARLY IN THE EVENING DECREASING
TO POOR (3800 KNOT-FT) LATE IN THE NIGHT.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........21 16 25 27 28 33 30 24 22 30 34 23
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............79 76 72 69 66 63 61 60 58 56 54 53
RH..............20 23 28 31 37 43 48 49 53 57 61 64
20 FT WIND DIR..W W NW NW NW N N N N NE NE E
20 FT WIND SPD..18 16 15 13 12 9 7 7 6 5 5 5
20 FT WIND GUST.35 32 29 24 21 17 14 12 10 9 8 8
MIX HGT (KFT)...7.7 2.7 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.W W W W W NW NW W NW N N NE
TRANSP WIND SPD.31 22 18 17 15 14 12 9 8 9 10 10
SDSPL KT-FT/1000208 50 10 9 7 7 5 4 4 4 5 5
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS IN THE AFTERNOON. SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON.
CWR.................5 PERCENT.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 9 MPH EARLY
IN THE MORNING. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WINDS.....EAST 8 TO 10 MPH SHIFTING TO THE SOUTHWEST 14
TO 18 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (3600 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (88800 KNOT-FT) IN THE
AFTERNOON INCREASING TO GOOD (95900 KNOT-FT)
EARLY IN THE MORNING INCREASING TO VERY GOOD
(115800 KNOT-FT) IN THE AFTERNOON LATE IN THE
AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........19 28 26 19 20 26 34 44 51 56 55 52
WEATHER COV..... SCH SCH SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH
CWR.............0 0 0 0 0 0 10 10 10 10 10 10
TEMP............52 51 53 57 61 66 70 73 75 77 77 76
RH..............66 74 69 59 50 42 35 30 27 25 25 26
20 FT WIND DIR..E E E E E SE SE SE SE SE SE SE
20 FT WIND SPD..3 3 5 5 5 6 6 7 7 7 8 9
20 FT WIND GUST.8 8 8 9 9 10 12 13 14 15 16 17
MIX HGT (KFT)...0.5 0.5 0.9 1.5 2.0 2.6 3.5 5.4 7.4 8.5 7.7 6.0
TRANSP WIND DIR.E E SE S S S SE S SW SW SW S
TRANSP WIND SPD.8 10 10 10 10 10 10 12 14 15 17 18
SDSPL KT-FT/10004 5 8 14 18 23 31 54 89 110 116 96
FORECASTER...BRAUER
REQUESTED BY...MOLLY WARTENBEE
TYPE OF REQUEST...WILDFIRE
.TAG 2621451.4/CYS
.DELDT 09/10/26
.FORMATTERVERSION 2.0.0
.EMAIL WYCPC@FIRENET.GOV,JBALDWIN@BLM.GOV
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