535
FNUS75 KCYS 160143
FWSCYS
SPOT FORECAST FOR 207 FIRE...CASPER INTERAGENCY DISPATCH CENTER
NATIONAL WEATHER SERVICE CHEYENNE WY
743 PM MDT WED JUL 15 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
DRY CONDITIONS WILL CONTINUE OVER THE NEXT SEVERAL
DAYS WITH SOMEWHAT LIGHTER WINDS COMPARED TO THE LAST FEW DAYS. EAST
TO NORTHEAST WINDS ARE EXPECTED TO CONTINUE THROUGH LATE THURSDAY
WITH PERIODS OF LIGHT AND VARIABLE WINDS AT NIGHT. DAYTIME RELATIVE
HUMIDITIES ARE EXPECTED TO TREND SLIGHTLY HIGHER THURSDAY AND FRIDAY
AS THE FIRST MONSOON PUSH OF THE SEASON ARRIVES BY THIS WEEKEND.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....55 TO 60 DEGREES.
MAX HUMIDITY........60 TO 75 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH EARLY IN THE
EVENING BECOMING LIGHT AND VARIABLE.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 9 TO 16 MPH.
SMOKE DISPERSAL.....POOR (4400 KNOT-FT).
TIME (MDT) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........12 14 11 8 7 17 9 8 18 34
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0
TEMP............85 77 74 72 69 66 64 61 59 58
RH..............15 22 26 29 35 40 45 51 60 62
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE E
20 FT WIND SPD..10 9 9 7 7 7 6 6 5 3
20 FT WIND GUST.20 18 16 15 13 12 12 10 9 8
MIX HGT (KFT)...1.2 0.7 0.7 0.7 0.6 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.NE NE NE E E NE NE E E E
TRANSP WIND SPD.15 15 16 15 14 14 14 13 10 9
HAINES INDEX....M M M M M M M M M M
SDSPL KT-FT/100016 9 10 9 7 7 6 6 5 4
THURSDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....85 TO 90 DEGREES.
MIN HUMIDITY........17 TO 22 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING EAST 6 TO 12 MPH EARLY IN
THE MORNING.
MIXING HEIGHT.......9900 FT AGL INCREASING TO 11200 FT AGL LATE IN
THE AFTERNOON.
TRANSPORT WINDS.....EAST 9 TO 16 MPH.
SMOKE DISPERSAL.....EXCELLENT (151300 KNOT-FT).
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........30 26 14 19 10 9 8 6 4 26 32 11
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............57 60 63 67 73 77 80 82 84 85 85 86
RH..............67 62 58 49 38 31 26 23 20 20 20 19
20 FT WIND DIR..E E E E E E E E NE NE NE NE
20 FT WIND SPD..3 3 5 7 7 7 8 9 9 10 12 12
20 FT WIND GUST.7 8 9 12 13 14 16 17 18 20 21 22
MIX HGT (KFT)...0.5 0.5 1.0 1.6 3.2 5.3 8.3 9.9 11 11 11 11
TRANSP WIND DIR.NE E E E E E E E E E E E
TRANSP WIND SPD.9 9 10 12 12 13 13 13 13 14 14 16
HAINES INDEX....M M M M M M M M M M M M
SDSPL KT-FT/10004 4 9 16 32 59 91 109 117 132 134 151
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....53 TO 58 DEGREES.
MAX HUMIDITY........60 TO 75 PERCENT.
WIND (20 FT)........EAST WINDS 7 TO 15 MPH IN THE EVENING AND
OVERNIGHT BECOMING LIGHT.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....EAST 9 TO 18 MPH.
SMOKE DISPERSAL.....VERY GOOD (132700 KNOT-FT).
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........17 39 27 23 35 23 17 8 9 9 11 16
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............85 84 81 75 72 70 68 66 64 62 60 59
RH..............20 21 24 31 34 36 40 43 46 50 55 57
20 FT WIND DIR..NE NE NE NE E E E E E E E E
20 FT WIND SPD..12 13 13 12 12 10 9 7 6 5 3 2
20 FT WIND GUST.22 23 24 23 22 20 16 14 10 8 7 6
MIX HGT (KFT)...10 8.8 2.1 0.7 0.6 0.6 0.6 0.6 0.6 0.6 0.5 0.5
TRANSP WIND DIR.E E E E E E E SE SE E SE E
TRANSP WIND SPD.17 17 18 18 17 16 15 14 13 10 9 9
HAINES INDEX....M M M M M M M M M M M M
SDSPL KT-FT/1000156 133 33 11 9 9 8 8 7 5 4 4
REQUESTED BY...TEDDY DONOGHUE
TYPE OF REQUEST...WILDFIRE
.TAG 2617444.0/CYS
.DELDT 07/15/26
.FORMATTERVERSION 2.0.0
.EMAIL KJTAYLOR@BLM.GOV,WYCPC@FIRENET.GOV
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