243
FNUS75 KCYS 140357
FWSCYS
SPOT FORECAST FOR HENRY RD FIRE...REGION 22 EMA
NATIONAL WEATHER SERVICE CHEYENNE WY
957 PM MDT WED MAY 13 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
..RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT FRIDAY
DISCUSSION
A FEW LINGERING WEAK SHOWERS COULD PRODUCE BREEZY AND
ERRATIC/VARIABLE WINDS AT THE SITE OVER THE NEXT HOUR OR TWO, BUT
ACTIVITY SHOULD BE LEAVING THE AREA. TONIGHT EXPECT PREVAILING
WINDS GENERALLY FROM A SOUTHERLY DIRECTION, BECOMING SOUTHWESTERLY
TO WESTERLY DURING THE LATE NIGHT AND EARLY MORNING HOURS.
WESTERLY TO THEN NORTHWESTERLY WINDS EXPECTED TO PREVAIL ON
THURSDAY, WITH WINDS STRENGTHENING TOMORROW MORNING INTO THE
AFTERNOON AT AROUND 15-25 MPH WITH GUSTS 30-40 MPH. RELATIVE
HUMIDITIES WILL BE EXTREMELY DRY ON THURSDAY, WITH VALUES INTO THE
SINGLE DIGITS. DRY CONDITIONS EXPECTED OTHERWISE.
REST OF TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT).
CWR.................5 PERCENT.
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........49 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH WITH GUSTS TO
AROUND 24 MPH IN THE LATE EVENING AND OVERNIGHT
BECOMING LIGHT, THEN BECOMING SOUTHWEST AROUND
5 MPH EARLY IN THE MORNING.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTH 17 TO 23 MPH SHIFTING TO THE SOUTHWEST 13
TO 15 MPH OVERNIGHT.
SMOKE DISPERSAL.....POOR (6000 KNOT-FT).
TIME (MDT) 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........45 58 82 71 59 65 57 73
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............10 10 0 0 0 0 0 0
TEMP............69 67 64 62 61 60 59 59
RH..............41 43 48 49 47 46 48 44
20 FT WIND DIR..SE SE SE S S S S SW
20 FT WIND SPD..10 7 6 5 3 2 3 5
20 FT WIND GUST.24 17 15 13 10 7 12 15
MIX HGT (KFT)...0.6 0.6 0.6 0.6 0.5 0.5 0.6 0.6
TRANSP WIND DIR.S S S SW SW W W W
TRANSP WIND SPD.23 20 17 15 13 13 14 14
HAINES INDEX....M M M M M M M M
SDSPL KT-FT/100012 11 9 8 6 6 7 7
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........8 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH.
MIXING HEIGHT.......10300 FT AGL INCREASING TO 12500 FT AGL LATE IN
THE AFTERNOON.
TRANSPORT WINDS.....WEST 17 TO 26 MPH.
SMOKE DISPERSAL.....POOR (9200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (82300 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (225600
KNOT-FT).
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........53 38 34 47 46 50 42 10 11 6 8 8
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............57 61 65 70 76 78 78 81 82 83 84 83
RH..............43 37 32 24 18 15 14 12 10 9 8 8
20 FT WIND DIR..W W NW NW NW NW NW W W W W W
20 FT WIND SPD..6 9 12 15 14 13 12 12 12 12 13 14
20 FT WIND GUST.21 23 24 30 29 28 26 28 29 30 30 30
MIX HGT (KFT)...0.6 0.7 2.3 2.6 3.9 5.5 7.4 8.8 10 12 13 12
TRANSP WIND DIR.W W NW NW NW NW W W W W W W
TRANSP WIND SPD.17 18 26 25 24 24 24 25 25 26 26 26
HAINES INDEX....M M M M M M M M M M M M
SDSPL KT-FT/10009 11 53 58 82 116 156 194 226 268 286 283
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 43.
MAX HUMIDITY........37 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 7 TO 13 MPH WITH GUSTS TO
AROUND 28 MPH EARLY IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......4000 FT AGL DECREASING TO 400 FT AGL EARLY IN
THE EVENING.
TRANSPORT WINDS.....WEST 21 TO 25 MPH BECOMING NORTH 9 TO 13 MPH
EARLY IN THE EVENING, THEN DECREASING TO 5 TO 8
MPH OVERNIGHT SHIFTING TO THE NORTHWEST AROUND
8 MPH EARLY IN THE MORNING.
SMOKE DISPERSAL.....EXCELLENT (266000 KNOT-FT) DECREASING TO GOOD
(72300 KNOT-FT) EARLY IN THE EVENING DECREASING
TO POOR (1600 KNOT-FT) LATE IN THE NIGHT.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........9 10 11 12 9 7 7 6 5 3 2 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............82 79 71 64 60 56 53 51 49 46 45 45
RH..............8 9 13 16 18 21 25 27 30 33 34 36
20 FT WIND DIR..NW NW NW NW N NW N N N N N NW
20 FT WIND SPD..13 10 7 3 2 2 2 2 2 2 2 2
20 FT WIND GUST.28 21 15 9 7 6 5 5 5 5 3 3
MIX HGT (KFT)...12 4.0 0.6 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.W NW NW NW NW N N NE N N N NW
TRANSP WIND SPD.25 21 13 13 13 10 9 8 7 5 7 8
HAINES INDEX....M M M M M M M M M M M M
SDSPL KT-FT/1000266 72 7 6 5 4 3 3 3 2 2 3
FORECASTER...GOATLEY
REQUESTED BY...ROB CROWDER
TYPE OF REQUEST...WILDFIRE
.TAG 2613623.0/CYS
.DELDT 05/13/26
.FORMATTERVERSION 2.0.0
.EMAIL ROBERT.CROWDER@SCOTTSBLUFFCOUNTYNE.GOV
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