382
FNUS75 KCYS 281922
FWSCYS
SPOT FORECAST FOR SHALE MACHINE PILE RX 2...USFS
NATIONAL WEATHER SERVICE CHEYENNE WY
1222 PM MST WED JAN 28 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
PARTLY CLOUDY AND DRY WEATHER IS EXPECTED OVER THE BURN AREA FOR THE NEXT
FEW DAYS. EXPECT AFTERNOON RH VALUES TO DIP IN TO THE LOW 60% RANGE GIVEN CONTINUED
COOL TEMPERATURES AND CLOUDS OBSCURING SUNSHINE. SMOKE DISPERSAL CHANCES WILL BE
SLIGHTLY HIGHER ON THURSDAY GIVEN WESTERLY WINDS HOWEVER WINDS WILL QUICKLY DIMINISH
AROUND OR SLIGHTLY BEFORE SUNSET REDUCING SMOKE DISPERSAL QUALITY QUICKLY. LIGHTER
WINDS ON FRIDAY WILL GREATLY REDUCE SMOKE DISPERSAL VALUES.
THURSDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).
CWR.................8 PERCENT.
MAX TEMPERATURE.....AROUND 22.
MIN HUMIDITY........62 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 12 MPH WITH GUSTS TO AROUND
26 MPH.
MIXING HEIGHT.......1600 FT AGL.
TRANSPORT WINDS.....WEST 17 TO 23 MPH.
SMOKE DISPERSAL.....FAIR.
TIME (MST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........72 73 65 63 59 55 42 50
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............10 0 0 0 0 0 0 0
TEMP............16 19 20 21 22 20 20 17
RH..............73 67 71 65 62 64 67 73
20 FT WIND DIR..W W W W W W W W
20 FT WIND SPD..12 12 12 12 12 12 12 12
20 FT WIND GUST.24 25 26 26 26 26 26 24
MIX HGT (KFT)...0.4 0.7 1.1 1.5 1.6 1.6 1.5 0.1
TRANSP WIND DIR.W W W W W W W W
TRANSP WIND SPD.17 17 20 22 23 23 22 18
SDSPL KT-FT/10006 10 18 28 33 32 29 0
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (55-65 PERCENT).
CWR.................2 PERCENT.
MIN TEMPERATURE.....AROUND 9 ABOVE.
MAX HUMIDITY........96 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 9 TO 12 MPH.
MIXING HEIGHT.......0 FT AGL.
TRANSPORT WINDS.....WEST 13 TO 20 MPH.
SMOKE DISPERSAL.....POOR (100 KNOT-FT).
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........41 38 45 61 59 56 55 55 54 55 55 56
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............15 14 13 14 14 13 13 13 13 12 12 11
RH..............80 84 87 84 86 87 87 87 87 90 93 96
20 FT WIND DIR..W W SW SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..12 12 12 12 10 10 10 9 9 9 9 9
20 FT WIND GUST.22 20 18 17 17 17 17 16 16 16 16 16
MIX HGT (KFT)...0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.20 16 17 17 16 14 13 13 13 13 14 14
SDSPL KT-FT/10000 0 0 0 0 0 0 0 0 0 0 0
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).
CWR.................2 PERCENT.
MAX TEMPERATURE.....AROUND 26.
MIN HUMIDITY........65 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 9 MPH.
MIXING HEIGHT.......1100 FT AGL.
TRANSPORT WINDS.....WEST 13 TO 18 MPH.
SMOKE DISPERSAL.....POOR (0 KNOT-FT).
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........57 58 59 58 58 57 59 62 64 62 59 57
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............12 12 13 16 20 23 24 25 26 24 22 20
RH..............92 89 87 78 71 65 66 66 65 72 79 84
20 FT WIND DIR..SW SW SW SW W W W W W W W W
20 FT WIND SPD..9 9 9 9 9 9 9 9 9 9 9 9
20 FT WIND GUST.16 17 18 20 21 22 22 22 22 21 21 20
MIX HGT (KFT)...0.1 0.1 0.1 0.1 0.3 0.5 0.8 1.0 1.1 0.8 0.4 0.1
TRANSP WIND DIR.W SW SW SW W W W W W W W W
TRANSP WIND SPD.14 13 13 14 16 17 18 18 17 16 14 13
SDSPL KT-FT/10000 0 0 2 5 8 13 16 16 11 4 0
FORECASTER...CHARNICK
REQUESTED BY...RONALD ZUCHOWSKI
TYPE OF REQUEST...PRESCRIBED
.TAG 2601231.0/CYS
.DELDT 01/28/26
.FORMATTERVERSION 2.0.0
.EMAIL RONALD.ZUCHOWSKI@USDA.GOV
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