149
FNUS75 KCYS 062334
FWSCYS
SPOT FORECAST FOR ROCK FIRE...ALBANY COUNTY EMERGENCY MANAGEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
534 PM MDT TUE OCT 6 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
WINDS THIS EVENING WILL PRIMARILY BE FROM THE NORTHWEST HEADING SOUTHEAST BETWEEN
8-12 MPH WITH GUSTS TO 15 MPH. AFTER MIDNIGHT WINDS BEGIN TO CALM TO ABOUT 5 MPH
FROM THE WEST NORTHWEST. LOW MIXING HEIGHTS WILL MAKE SMOKE DISPERSAL POOR. SKIES
SHOULD STAY CLEAR. RELATIVE HUMIDITIES RECOVERIES ARE SOMEWHAT POOR TO FAIR,
REACHING 48%. TOMORROW MORNING WINDS STAY CALM AND AT TIMES VARIABLE.
AROUND NOON A SHIFT IN WINDS OUT OF THE NORTH IS ANTICIPATED. WIND GUSTS TO 15 MPH
ARE POSSIBLE. MINIMUM RELATIVE HUMIDITY VALUES ARE POOR, BOTTOMING OUT AT 23%.
THE CHANCES OF WETTING RAIN ARE NEAR ZERO.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........48 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 9 MPH SHIFTING TO THE WEST 8
TO 12 MPH OVERNIGHT.
SMOKE DISPERSAL.....POOR (3900 KNOT-FT).
TIME (MDT) 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........25 23 13 19 18 13 9
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0
TEMP............46 45 44 44 44 44 43
RH..............40 41 43 43 45 43 45
20 FT WIND DIR..NW SW W W W W W
20 FT WIND SPD..3 3 3 3 5 5 5
20 FT WIND GUST.7 7 7 7 9 9 9
MIX HGT (KFT)...0.6 0.6 0.6 0.6 0.6 0.6 0.6
TRANSP WIND DIR.NW W W W W W W
TRANSP WIND SPD.9 9 8 8 9 12 12
SDSPL KT-FT/10005 5 4 4 5 6 6
WEDNESDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING MOSTLY
SUNNY (40-50 PERCENT).
CWR.................1 PERCENT.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........23 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 5 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING NORTH 5 TO 6 MPH
LATE IN THE AFTERNOON.
MIXING HEIGHT.......8900 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 13 MPH SHIFTING TO THE NORTH 12 TO 13
MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (4500 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (91300 KNOT-FT) IN THE
AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........8 10 9 5 2 5 26 44 54 50 41 31
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............43 42 45 50 56 59 61 62 62 64 62 61
RH..............47 48 47 41 30 27 25 24 24 23 24 25
20 FT WIND DIR..W W W W W NW N N N NE N N
20 FT WIND SPD..5 5 5 5 3 2 3 3 5 6 6 6
20 FT WIND GUST.9 9 9 7 6 6 7 7 9 13 13 14
MIX HGT (KFT)...0.6 0.6 0.5 1.9 6.1 7.9 8.7 8.9 8.6 8.3 8.3 7.3
TRANSP WIND DIR.W W W W W W W NW NW NW N N
TRANSP WIND SPD.12 12 10 9 9 9 9 9 10 13 12 13
SDSPL KT-FT/10006 6 5 15 49 63 70 71 78 91 83 80
FORECASTER...VASQUEZ
REQUESTED BY...KATE ALLRED
TYPE OF REQUEST...WILDFIRE
.TAG 2623275.0/CYS
.DELDT 10/06/26
.FORMATTERVERSION 2.0.0
.EMAIL KALLRED@ALBANYCOUNTYWY.GOV
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