572
FNUS75 KCYS 050726
FWSCYS
SPOT FORECAST FOR EAGLE ROCK RX...USFS
NATIONAL WEATHER SERVICE CHEYENNE WY
1226 AM MST THU MAR 5 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
THE HIGH TEMPERATURE THIS AFTERNOON WILL BE AROUND 50 DEGREES WITH A
MINIMUM RELATIVE HUMIDITY NEAR 25 PERCENT. WINDS WILL BE OUT OF THE
SOUTHWEST AT ABOUT 10 MPH WITH GUSTS TO 20 MPH. WINDS WILL SHIFT MORE
WESTERLY LATER IN THE AFTERNOON AS A WINTER SYSTEM BEGINS TO MOVE INTO
THE AREA. THERE IS A SLIGHT CHANCE FOR SNOW SHOWERS LATE IN THE AFTERNOON,
HOWEVER PRECIPITATION WILL BECOME INCREASINGLY LIKELY OVERNIGHT ONCE A COLD
FRONT SWEEPS ACROSS SOUTHEAST WYOMING. SNOWFALL ACCUMULATIONS OF 1 TO 2
INCHES WILL BE POSSIBLE THURSDAY NIGHT. WINTER WEATHER CONTINUES INTO THE
DAY FRIDAY WITH HIGHS IN THE MID 20S. AN ADDITIONAL 1 TO 3 INCHES OF SNOWFALL
ACCUMULATION WILL BE POSSIBLE DURING THE DAY FRIDAY. BREEZY NORTHERLY WINDS
AT 20 MPH WITH GUSTS TO 35 MPH COULD CAUSE AREAS OF BLOWING SNOW. A WINTER
STORM WATCH IS CURRENTLY IN EFFECT FROM 8 PM THURSDAY NIGHT THROUGH MIDNIGHT
FRIDAY NIGHT.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT) THEN BECOMING
PARTLY SUNNY (65-75 PERCENT). SLIGHT CHANCE OF
SNOW LATE IN THE MORNING. CHANCE OF SNOW LATE
IN THE AFTERNOON.
CWR.................5 PERCENT INCREASING TO 22 PERCENT LATE IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 49.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 9 TO 12 MPH.
MIXING HEIGHT.......5900 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 16 TO 24 MPH.
SMOKE DISPERSAL.....POOR (5500 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (71700 KNOT-FT) IN THE
AFTERNOON INCREASING TO POOR (23100 KNOT-FT)
EARLY IN THE MORNING INCREASING TO VERY GOOD
(118900 KNOT-FT) IN THE AFTERNOON LATE IN THE
MORNING.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........57 39 24 15 8 8 23 48 59 74 74 62
WEATHER COV..... SCH SCH SCH SCH SCH SCH CHC
WEATHER TYPE.... SN SN SN SN SN SN SN
TSTM COV........
CWR.............0 0 0 0 0 10 10 10 10 10 10 20
TEMP............33 34 40 42 46 48 49 49 49 48 47 43
RH..............41 40 33 32 28 25 24 24 24 27 31 43
20 FT WIND DIR..SW SW SW SW SW SW SW SW W W W W
20 FT WIND SPD..9 10 10 12 12 12 12 10 10 9 9 9
20 FT WIND GUST.17 18 20 20 21 21 21 20 18 18 17 17
MIX HGT (KFT)...0.4 0.4 0.6 2.5 4.0 5.7 5.9 5.8 5.4 3.9 2.8 1.3
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW W
TRANSP WIND SPD.16 16 18 21 21 24 23 23 22 22 17 21
SDSPL KT-FT/10006 6 9 46 72 119 118 117 103 74 41 23
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF SNOW
IN THE EVENING, THEN SNOW LIKELY LATE IN THE
EVENING. SNOW EARLY IN THE MORNING. PATCHY
BLOWING SNOW EARLY IN THE MORNING.
CWR.................22 PERCENT INCREASING TO 61 PERCENT.
MIN TEMPERATURE.....AROUND 24.
MAX HUMIDITY........88 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 10 TO 15 MPH SHIFTING TO THE
NORTH 15 TO 16 MPH AFTER 3 AM.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 22 TO 24 MPH SHIFTING TO THE NORTH
AROUND 23 MPH EARLY IN THE MORNING.
SMOKE DISPERSAL.....POOR (11000 KNOT-FT).
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........68 75 84 64 75 84 82 92 94 94 94 94
WEATHER COV.....CHC CHC CHC CHC CHC LKY LKY LKY LKY LKY LKY DEF
WEATHER TYPE....SN SN SN SN SN SN SN SN SN SN SN SN
TSTM COV........
CWR.............20 20 20 20 20 40 40 40 40 40 40 60
TEMP............39 37 35 32 31 31 29 29 29 28 27 27
RH..............54 59 61 66 66 66 72 72 75 78 81 81
20 FT WIND DIR..W W NW NW NW NW NW NW NW NW N N
20 FT WIND SPD..10 10 12 13 14 15 15 15 15 15 15 16
20 FT WIND GUST.18 20 22 23 25 26 28 28 28 28 28 29
MIX HGT (KFT)...1.1 1.2 1.3 1.0 0.9 0.9 0.6 0.7 1.4 0.6 1.4 1.5
TRANSP WIND DIR.W NW NW NW NW NW NW NW NW N N N
TRANSP WIND SPD.23 23 24 24 24 24 24 22 22 22 22 23
SDSPL KT-FT/100022 23 27 21 18 20 13 14 26 11 27 29
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). PATCHY BLOWING
SNOW THROUGH THE DAY. SNOW.
CWR.................61 PERCENT DECREASING TO 11 PERCENT.
MAX TEMPERATURE.....AROUND 27.
MIN HUMIDITY........68 PERCENT.
WIND (20 FT)........NORTH WINDS 16 TO 20 MPH WITH GUSTS TO AROUND
36 MPH.
MIXING HEIGHT.......3600 FT AGL.
TRANSPORT WINDS.....NORTH 24 TO 30 MPH.
SMOKE DISPERSAL.....POOR (39800 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (92800 KNOT-FT) IN THE
AFTERNOON.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........93 94 94 95 93 89 87 85 84 83 80 77
WEATHER COV.....DEF DEF LKY LKY LKY LKY LKY LKY DEF DEF DEF CHC
WEATHER TYPE....SN SN SN SN SN SN SN SN SN SN SN SN
TSTM COV........
CWR.............60 60 60 60 60 40 40 40 40 40 40 10
TEMP............25 24 27 26 25 26 26 26 26 25 25 25
RH..............84 88 78 81 81 74 71 71 68 71 74 74
20 FT WIND DIR..N N N N N N N N N N N N
20 FT WIND SPD..16 16 17 18 18 20 20 20 18 18 17 16
20 FT WIND GUST.30 31 32 33 35 36 36 36 35 33 32 31
MIX HGT (KFT)...1.8 2.0 2.1 2.4 2.7 3.0 3.3 3.5 3.6 3.6 3.6 3.3
TRANSP WIND DIR.N N N N N N N N N N NW NW
TRANSP WIND SPD.25 26 26 28 28 28 29 30 30 29 26 24
SDSPL KT-FT/100040 46 49 58 66 73 82 91 93 91 82 69
FORECASTER...FULLER
REQUESTED BY...MARCUS VIGIL
TYPE OF REQUEST...PRESCRIBED
.TAG 2604158.0/CYS
.DELDT 03/05/26
.FORMATTERVERSION 2.0.0
.EMAIL MARCUS.VIGIL@USDA.GOV
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