363
FNUS75 KCYS 260121
FWSCYS
SPOT FORECAST FOR BOBCAT...BLM
NATIONAL WEATHER SERVICE CHEYENNE WY
721 PM MDT FRI JUL 25 2025
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
A COUPLE OF LIGHT SHOWERS LOOK TO BE MOVING NEAR DOUGLAS. THESE SHOWERS ARE EXPECTED TO LAST
UNTIL 03Z. THERE MAY BE SOME GUSTY WINDS WITH THESE SHOWERS BUT PEAK GUST LOOK TO BE NEAR 25 MPH.
AFTER 03Z IT SHOULD BE CLEAR OVERNIGHT AND TOMORROW MORNING. RH VALUES WILL BE BELOW 15 PERCENT
BY THE AFTERNOON WITH RH RECOVERY UP TO 50 PERCENT SATURDAY NIGHT. RH VALUES WILL DROP BELOW 15
PERCENT AGAIN ON SUNDAY.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
CWR.................0 PERCENT.
LAL.................
MIN TEMPERATURE.....AROUND 58.
MAX HUMIDITY........58 PERCENT.
WIND (20 FT)........SOUTH WINDS 7 TO 12 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 12 TO 16 MPH.
SMOKE DISPERSAL.....POOR (4000 KNOT-FT).
HAINES INDEX........MISSING.
TIME (MDT) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........24 35 32 28 19 9 14 7 9 12
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0
LAL.............M M M M M M M M M M
TEMP............81 75 74 71 69 68 66 63 61 60
RH..............19 27 28 32 40 44 47 54 56 58
20 FT WIND DIR..SE S SE S S S S S S S
20 FT WIND SPD..7 8 9 10 12 10 10 9 8 8
20 FT WIND GUST.16 17 18 20 20 20 18 17 16 14
MIX HGT (KFT)...0.7 0.6 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.SW S S S S S S S S S
TRANSP WIND SPD.12 13 12 15 16 16 14 14 13 12
HAINES INDEX....M M M M M M M M M M
SDSPL KT-FT/10007 6 5 6 6 6 5 5 4 4
SATURDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING PARTLY
SUNNY (60-70 PERCENT).
CWR.................1 PERCENT.
LAL.................
MAX TEMPERATURE.....AROUND 94.
MIN HUMIDITY........10 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 7 TO 8 MPH SHIFTING TO THE WEST
6 TO 9 MPH IN THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......4100 FT AGL INCREASING TO 16200 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....WEST 9 TO 18 MPH SHIFTING TO THE SOUTHWEST
AROUND 20 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (2500 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (53300 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (182600
KNOT-FT) IN THE AFTERNOON.
HAINES INDEX........MISSING.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........13 8 13 21 27 18 32 32 39 51 80 81
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
LAL.............M M M M M M M M M M M M
TEMP............59 63 68 73 81 86 91 92 92 94 92 89
RH..............57 50 39 30 22 16 12 11 11 10 11 13
20 FT WIND DIR..S SW SW W W W W W W SW SW SW
20 FT WIND SPD..8 7 7 7 6 6 7 7 7 7 8 9
20 FT WIND GUST.14 13 12 12 12 13 14 15 17 18 20 21
MIX HGT (KFT)...0.3 0.3 0.4 0.9 1.8 4.1 11 14 16 16 13 12
TRANSP WIND DIR.SW W W W W W W W SW SW W SW
TRANSP WIND SPD.10 9 9 10 12 15 18 17 17 15 18 20
HAINES INDEX....M M M M M M M M M M M M
SDSPL KT-FT/10003 3 4 8 18 53 183 216 243 210 206 201
SATURDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT).
CWR.................0 PERCENT.
LAL.................
MIN TEMPERATURE.....AROUND 58.
MAX HUMIDITY........44 PERCENT.
WIND (20 FT)........SOUTH WINDS 8 TO 10 MPH.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 18 MPH.
SMOKE DISPERSAL..... VERY GOOD (145800 KNOT-FT) EARLY IN THE
EVENING DECREASING TO FAIR (58300 KNOT-FT) LATE
IN THE NIGHT DECREASING TO POOR (2500 KNOT-FT)
EARLY IN THE EVENING.
HAINES INDEX........MISSING.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........57 47 37 27 21 17 13 13 13 13 14 14
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
LAL.............M M M M M M M M M M M M
TEMP............88 84 80 76 74 72 70 68 66 64 61 60
RH..............14 17 21 24 27 29 31 33 37 40 44 44
20 FT WIND DIR..S S S S S S S S S S SW SW
20 FT WIND SPD..10 9 8 8 8 8 8 8 8 8 8 8
20 FT WIND GUST.22 18 17 18 18 17 17 16 16 15 14 14
MIX HGT (KFT)...9.1 3.9 0.8 0.4 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3
TRANSP WIND DIR.SW S S S S S S S S S SW W
TRANSP WIND SPD.18 17 16 16 17 16 14 13 13 12 10 10
HAINES INDEX....M M M M M M M M M M M M
SDSPL KT-FT/1000146 58 12 6 6 5 4 3 3 3 3 3
FORECASTER...MCLAUGHLIN
REQUESTED BY...CRISTOPF ATKINSON
TYPE OF REQUEST...WILDFIRE
.TAG 2518609.0/CYS
.DELDT 07/25/25
.FORMATTERVERSION 2.0.0
.EMAIL WYCPC@FIRENET.GOV
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