845
FNUS75 KCYS 100111
FWSCYS
SPOT FORECAST FOR SOUTH FORK FIRE...HEMINGFORD FIRE DEPARTMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
711 PM MDT TUE JUN 9 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT WEDNESDAY FOR THE WESTERN
NEBRASKA PANHANDLE...
DISCUSSION
BREEZY CONDITIONS ARE EXPECTED TO CONTINUE THROUGH THIS EVENING.
WEST-SOUTHWEST WINDS WILL TURN WESTERLY BY 10PM THIS EVENING AND
REMAIN BETWEEN 15 AND 20 MPH, GUSTING TO AROUND 30 TO 35 MPH. WINDS
WILL INCREASE TO 25 TO 30 MPH, GUSTING UP TO 40 MPH BY 9AM WEDNESDAY
AND WILL CONTINUE THROUGH THE EVENING HOURS. OVERNIGHT HUMIDITY
RECOVERIES TONIGHT WILL BE POOR, AROUND 45 TO 50 PERCENT, WITH
AFTERNOON HUMIDITIES ON WEDNESDAY DROPPING BACK INTO THE 10 TO 15
PERCENT RANGE. A FEW GUSTY SHOWERS THIS EVENING MAY LEAD TO GUSTY
AND ERRATIC WINDS, BUT SHOWER COVERAGE IS DECREASING RAPIDLY. LITTLE
TO NO PRECIPITATION EXPECTED WEDNESDAY WITH MOSTLY CLEAR SKIES. A RED
FLAG WARNING REMAINS IN EFFECT THROUGH 9PM WEDNESDAY EVENING.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT).
CWR.................3 PERCENT.
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........48 PERCENT.
WIND (20 FT)........WEST WINDS 12 TO 16 MPH.
MIXING HEIGHT.......700 FT AGL.
TRANSPORT WINDS.....WEST 17 TO 22 MPH.
SMOKE DISPERSAL.....POOR (11900 KNOT-FT).
HAINES INDEX........MISSING.
TIME (MDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........67 58 55 49 58 71 72 56 53 39 16
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0
TEMP............80 77 74 71 69 66 63 62 60 58 56
RH..............19 19 20 24 27 33 36 38 39 36 40
20 FT WIND DIR..W W W W W W W W W W W
20 FT WIND SPD..12 14 16 15 13 12 12 13 15 14 14
20 FT WIND GUST.13 17 22 28 24 21 22 24 26 26 25
MIX HGT (KFT)...1.7 0.8 1.0 1.0 1.0 0.9 0.8 0.7 1.1 1.0 0.8
TRANSP WIND DIR.W W W W W W W W W W NW
TRANSP WIND SPD.21 17 21 21 21 18 17 20 22 22 21
HAINES INDEX....M M M M M M M M M M M
SDSPL KT-FT/100031 12 19 18 17 14 12 12 21 19 14
WEDNESDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........12 PERCENT.
WIND (20 FT)........WEST WINDS 13 TO 22 MPH. GUSTS UP TO 41 MPH IN
THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......10100 FT AGL INCREASING TO 12500 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....WEST 20 TO 29 MPH INCREASING TO 30 TO 36 MPH IN
THE AFTERNOON.
SMOKE DISPERSAL.....POOR (12800 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (85900 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (388900
KNOT-FT).
HAINES INDEX........MISSING.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........19 12 5 2 4 4 4 11 21 26 33 37
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............54 57 60 63 67 70 72 76 78 79 80 80
RH..............48 45 39 35 27 20 18 14 12 12 12 12
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..13 15 16 18 18 18 17 20 21 22 22 21
20 FT WIND GUST.25 28 31 35 35 33 33 36 39 41 41 40
MIX HGT (KFT)...0.8 2.5 4.3 6.3 7.8 9.1 10 11 12 12 13 13
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.20 22 23 24 26 29 30 32 35 35 36 36
HAINES INDEX....M M M M M M M M M M M M
SDSPL KT-FT/100013 48 86 132 179 228 262 310 350 358 389 389
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT).
CWR.................3 PERCENT.
MIN TEMPERATURE.....AROUND 46.
MAX HUMIDITY........58 PERCENT.
WIND (20 FT)........WEST WINDS 13 TO 21 MPH WITH GUSTS TO AROUND 38
MPH SHIFTING TO THE NORTHWEST 8 TO 14 MPH LATE
IN THE EVENING.
MIXING HEIGHT.......5900 FT AGL DECREASING TO 600 FT AGL EARLY IN
THE EVENING.
TRANSPORT WINDS.....WEST 24 TO 32 MPH BECOMING NORTHWEST 13 TO 22
MPH EARLY IN THE EVENING.
SMOKE DISPERSAL.....EXCELLENT (330200 KNOT-FT) DECREASING TO POOR
(7300 KNOT-FT).
HAINES INDEX........MISSING.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........51 65 72 65 69 66 70 78 67 41 37 16
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............79 77 72 66 63 59 55 52 50 49 47 46
RH..............12 14 19 24 28 33 41 48 52 52 56 56
20 FT WIND DIR..W W W NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..21 20 17 15 13 10 8 8 9 10 12 14
20 FT WIND GUST.38 36 32 29 24 20 16 16 16 18 22 25
MIX HGT (KFT)...12 5.9 1.6 1.1 1.0 1.0 1.0 0.6 0.7 0.8 1.3 1.2
TRANSP WIND DIR.W W NW NW NW NW NW NW NW NW NW W
TRANSP WIND SPD.32 24 22 18 17 16 16 14 13 14 18 20
HAINES INDEX....M M M M M M M M M M M M
SDSPL KT-FT/1000330 125 31 18 15 14 14 7 7 10 22 20
FORECASTER...MOSE
REQUESTED BY...HEMINGFORD FIRE CHIEF
TYPE OF REQUEST...WILDFIRE
.TAG 2615267.0/CYS
.DELDT 06/09/26
.FORMATTERVERSION 2.0.0
.EMAIL HEMFIRE.CHIEF@BBC.NET
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