237
FNUS75 KCYS 131215
FWSCYS
SPOT FORECAST FOR WEST HOG RX...USFS
NATIONAL WEATHER SERVICE CHEYENNE WY
515 AM MST TUE JAN 13 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
MILD WEATHER RETURNS AGAIN TODAY WITH HIGHS IN THE MID 30S AND MIN
RH AROUND 50 TO 55 PERCENT. WINDS WILL GENERALLY BE OUT OF THE WEST
WITH GUSTS TO AROUND 20 MPH MAINLY IN THE AFTERNOON. THERE IS SOME
UNCERTAINTY REGARDING WINDS OVERNIGHT. WHILE THE MOST LIKELY SCENARIO
IS CONTINUED WEST WINDS BECOMING LIGHTER OVERNIGHT, THERE IS A POSSIBILITY
FOR NORTH-NORTHWEST WINDS GUSTING 20 TO 25 MPH IF A COLD FRONT MANAGES
TO PUSH FURTHER WEST THAN EXPECTED. THERE WILL BE A SLIGHT CHANCE FOR
LIGHT SNOW OVERNIGHT. WEDNESDAY WILL BE SIMILAR TO TUESDAY WITH WEST
WINDS GUSTING TO AROUND 20 MPH AND MIN RH AROUND 55 TO 60%.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
CWR.................4 PERCENT.
MAX TEMPERATURE.....AROUND 35.
MIN HUMIDITY........50 TO 55 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH, GUSTING TO AROUND 20 MPH
MAINLY IN THE AFTERNOON.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....WEST 12 TO 20 MPH.
SMOKE DISPERSAL.....POOR (2200 KNOT-FT).
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........29 28 24 20 14 19 23 35 49 51 40 44
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............17 18 19 24 29 33 34 35 34 34 32 28
RH..............84 80 77 65 58 53 54 52 54 54 58 68
20 FT WIND DIR..SW SW SW SW W W W W W W W W
20 FT WIND SPD..6 7 7 7 7 8 9 9 9 9 8 8
20 FT WIND GUST.10 12 12 13 14 15 16 17 17 17 16 14
MIX HGT (KFT)...0.3 0.3 0.2 0.3 0.7 1.2 1.3 1.4 1.5 1.2 0.6 0.4
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.12 12 12 12 14 18 18 20 20 18 14 12
SDSPL KT-FT/10003 3 2 3 8 20 21 24 25 20 8 4
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF
SNOW LATE IN THE EVENING.
CWR.................4 PERCENT.
MIN TEMPERATURE.....AROUND 17.
MAX HUMIDITY........95 TO 100 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH OCCASIONALLY GUSTING TO
AROUND 20 MPH.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 9 TO 13 MPH SHIFTING TO THE NORTH 9
TO 10 MPH OVERNIGHT.
SMOKE DISPERSAL.....POOR (2800 KNOT-FT).
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........41 44 48 57 59 58 61 66 70 71 71 71
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... SN SN SN
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............26 24 22 22 21 21 21 21 21 21 21 21
RH..............74 77 84 84 88 84 88 88 100 100 96 96
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..7 7 7 7 6 6 6 5 5 5 5 5
20 FT WIND GUST.14 13 13 12 10 10 9 9 9 8 8 8
MIX HGT (KFT)...0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.4 0.4 0.3 0.4
TRANSP WIND DIR.W W NW NW NW W NW NW N NW N N
TRANSP WIND SPD.13 12 12 12 10 10 10 9 9 10 10 10
SDSPL KT-FT/10004 4 4 4 3 3 3 3 3 3 3 4
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT) THEN BECOMING
SUNNY (15-25 PERCENT).
CWR.................4 PERCENT.
MAX TEMPERATURE.....AROUND 37.
MIN HUMIDITY........55 TO 60 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
MIXING HEIGHT.......1400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 9 TO 13 MPH SHIFTING TO THE WEST 9 TO
10 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (2200 KNOT-FT).
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........75 74 64 51 40 28 25 23 20 19 19 18
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............21 22 23 26 30 34 35 36 37 35 32 30
RH..............96 84 88 85 75 66 64 61 59 61 69 72
20 FT WIND DIR..W W W W W W W W W W W SW
20 FT WIND SPD..3 5 5 6 6 7 7 8 8 7 7 6
20 FT WIND GUST.7 8 8 9 10 12 14 14 15 14 12 10
MIX HGT (KFT)...0.3 0.3 0.4 0.9 1.3 1.4 1.2 1.2 1.3 1.0 0.6 0.2
TRANSP WIND DIR.N NW NW NW NW NW NW NW NW W W W
TRANSP WIND SPD.9 10 10 13 13 9 9 10 10 9 9 10
SDSPL KT-FT/10003 3 3 10 14 11 10 11 12 8 5 2
FORECASTER...NATOLI
REQUESTED BY...PARKER JOHNSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2528952.0/CYS
.DELDT 01/13/26
.FORMATTERVERSION 2.0.0
.EMAIL PARKER.JOHNSON@USDA.GOV
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