694
FNUS75 KCYS 261448
FWSCYS
SPOT FORECAST FOR BOBCAT...BLM
NATIONAL WEATHER SERVICE CHEYENNE WY
848 AM MDT SAT JUL 26 2025
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
NEAR CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TODAY FOR THE
FIRE AREA. RH WILL BE VERY LOW THIS AFTERNOON, DROPPING TO NEAR 10%
WITH WEST WINDS BECOMING SOUTHWEST OCCASIONALLY GUSTING 20 TO 25
MPH. IN ADDITION, AN ISOLATED HIGH-BASED SHOWER MAY BRING GUSTY
AND ERRATIC WINDS TO THE AREA THIS AFTERNOON OR EVENING, ALTHOUGH
THE CHANCE OF WETTING RAINFALL IS NEAR ZERO.
WINDS MAY BE BRIEFLY VARIABLE THIS EVENING BEFORE SETTLING ON
SOUTH OVERNIGHT, AND RETURNING TO WEST ON SUNDAY. NEAR CRITICAL
FIRE WEATHER IS EXPECTED AGAIN SUNDAY WITH VERY LOW RH AND WINDS
GUSTING TO AROUND 20 MPH.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). AREAS OF SMOKE
POSSIBLE.
CWR.................4 PERCENT.
LAL.................
MAX TEMPERATURE.....AROUND 93.
MIN HUMIDITY........9 TO 11 PERCENT.
WIND (20 FT)........WEST WINDS 7 TO 15 MPH SHIFTING TO THE SOUTHWEST
IN THE AFTERNOON. WINDS GUSTING TO AROUND 25 MPH.
MIXING HEIGHT.......4500 FT AGL INCREASING TO 16400 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....WEST 12 TO 21 MPH SHIFTING TO THE SOUTHWEST
AROUND 22 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (11000 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (189100
KNOT-FT) IN THE AFTERNOON.
HAINES INDEX........MISSING.
TIME (MDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........9 22 20 26 31 50 63 67 61
WEATHER COV..... ARS ARS ARS ARS ARS ARS ARS
WEATHER TYPE.... SMK SMK SMK SMK SMK SMK SMK
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0
LAL.............M M M M M M M M M
TEMP............72 80 85 90 91 92 92 91 89
RH..............30 21 16 12 11 10 10 11 12
20 FT WIND DIR..W W W W W W W SW S
20 FT WIND SPD..7 7 7 7 7 10 14 15 13
20 FT WIND GUST.13 13 14 13 12 17 25 25 23
MIX HGT (KFT)...1.1 1.9 4.5 11 15 16 16 14 14
TRANSP WIND DIR.W W W W W W SW SW SW
TRANSP WIND SPD.12 13 15 20 21 20 21 18 22
HAINES INDEX....M M M M M M M M M
SDSPL KT-FT/100011 21 58 189 270 279 284 226 274
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT). AREAS OF SMOKE.
CWR.................0 PERCENT.
LAL.................
MIN TEMPERATURE.....AROUND 59.
MAX HUMIDITY........45 TO 50 PERCENT.
WIND (20 FT)........SOUTH WINDS 7 TO 12 MPH GUSTING TO 20 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 12 TO 21 MPH SHIFTING TO THE SOUTHWEST
AROUND 10 MPH OVERNIGHT.
SMOKE DISPERSAL.....EXCELLENT (180100 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (3300 KNOT-FT) IN THE EVENING.
HAINES INDEX........MISSING.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........56 49 34 37 31 18 13 10 9 9 11 12
WEATHER COV.....ARS ARS ARS ARS ARS ARS
WEATHER TYPE....SMK SMK SMK SMK SMK SMK
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 79 74 71 70 68 67 66 63 61 60
RH..............14 17 22 28 32 35 37 40 42 46 48 47
20 FT WIND DIR..S S S S S S S S S S S SW
20 FT WIND SPD..12 12 10 10 9 8 7 7 8 8 8 7
20 FT WIND GUST.20 18 18 17 15 14 13 14 14 15 14 13
MIX HGT (KFT)...10 6.0 0.6 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.S S S S S SW S SW SW SW W W
TRANSP WIND SPD.21 21 16 17 16 13 12 12 10 10 10 10
HAINES INDEX....M M M M M M M M M M M M
SDSPL KT-FT/1000180 108 8 6 6 5 4 4 3 3 3 3
SUNDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT). AREAS OF SMOKE.
CWR.................0 PERCENT.
LAL.................
MAX TEMPERATURE.....AROUND 94.
MIN HUMIDITY........8 TO 10 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH GUSTING TO AROUND 20 MPH
MIXING HEIGHT.......7200 FT AGL INCREASING TO 15100 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR (3300 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (168600 KNOT-FT) IN
THE AFTERNOON.
HAINES INDEX........MISSING.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........11 4 4 8 10 10 8 12 17 22 23 22
WEATHER COV..... ARS ARS ARS ARS
WEATHER TYPE.... SMK SMK SMK SMK
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 69 74 82 86 91 92 93 94 93 92
RH..............45 39 31 26 18 14 11 10 9 9 9 9
20 FT WIND DIR..SW SW SW W W W W W W W W W
20 FT WIND SPD..7 7 7 8 8 8 8 8 7 7 8 7
20 FT WIND GUST.12 13 13 14 14 15 15 14 14 14 15 14
MIX HGT (KFT)...0.4 0.4 0.5 1.0 3.5 7.2 11 13 14 14 15 15
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.10 10 10 12 12 13 15 15 14 13 12 10
HAINES INDEX....M M M M M M M M M M M M
SDSPL KT-FT/10003 3 5 10 35 79 141 168 169 159 151 134
FORECASTER...NATOLI
REQUESTED BY...JAYNE FRASER
TYPE OF REQUEST...WILDFIRE
.TAG 2518609.1/CYS
.DELDT 07/26/25
.FORMATTERVERSION 2.0.0
.EMAIL WYCPC@FIRENET.GOV
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