261
FNUS75 KCYS 041212
FWSCYS
SPOT FORECAST FOR SANDSTONE NORTH GNA...USFS
NATIONAL WEATHER SERVICE CHEYENNE WY
512 AM MST WED FEB 4 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
QUIET WEATHER IS EXPECTED FOR THE REST OF THE WEEK AS
A STRONG AREA OF HIGH PRESSURE ALOFT DRIFTS INTO THE ROCKY MOUNTAIN
REGION BY THURSDAY. WARMER THAN AVERAGE TEMPERATURES ARE EXPECTED
WITH DAYTIME HUMIDITIES ABOVE 30 PERCENT.
TODAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....38 TO 44 DEGREES.
MIN HUMIDITY........38 TO 48 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS BECOMING SOUTHWEST
5 TO 10 MPH.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....EAST AROUND 5 MPH SHIFTING TO THE WEST 7
TO 9 MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....POOR (2300 KNOT-FT).
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........20 20 16 16 16 11 11 11 17 17 17 23
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............19 19 20 26 31 34 37 38 39 39 38 36
RH..............77 77 74 65 56 49 48 46 46 44 46 50
20 FT WIND DIR..S S S SW SW SW SW SW SW SW SW S
20 FT WIND SPD..3 5 5 5 6 6 6 7 7 6 6 5
20 FT WIND GUST.8 8 9 9 10 10 12 12 12 12 10 9
MIX HGT (KFT)...0.6 0.6 0.6 0.6 1.4 2.0 2.3 2.4 2.4 2.5 2.0 0.6
TRANSP WIND DIR.E S S S SW W W W W W W SW
TRANSP WIND SPD.5 6 6 6 7 7 8 9 9 9 9 8
SDSPL KT-FT/10002 2 3 2 7 12 16 19 20 20 16 4
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....20 TO 25 DEGREES.
MAX HUMIDITY........65 TO 80 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING
BECOMING LIGHT AND VARIABLE.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 8 MPH SHIFTING TO THE SOUTHEAST 5 TO
7 MPH AFTER 3 AM.
SMOKE DISPERSAL.....POOR (2400 KNOT-FT).
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........23 23 17 17 17 14 14 14 10 10 10 10
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............33 30 29 28 27 26 26 26 25 25 25 24
RH..............53 58 60 63 65 68 65 65 65 65 65 74
20 FT WIND DIR..S S S S S S S S S S S E
20 FT WIND SPD..5 3 3 3 3 3 3 3 3 3 3 2
20 FT WIND GUST.8 8 8 8 8 8 8 7 7 7 7 7
MIX HGT (KFT)...0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6
TRANSP WIND DIR.SW S S S S S S S S SE SE SE
TRANSP WIND SPD.8 8 8 8 7 7 7 6 7 7 6 5
SDSPL KT-FT/10004 4 4 4 4 4 4 3 4 4 3 2
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....42 TO 47 DEGREES.
MIN HUMIDITY........35 TO 45 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 3 TO 6 MPH SHIFTING TO THE SOUTHWEST
AROUND 5 MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR (1400 KNOT-FT).
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........10 10 9 9 9 5 5 5 5 5 5 5
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............25 25 26 32 38 42 44 45 47 45 43 42
RH..............68 68 68 61 50 43 41 41 40 43 47 46
20 FT WIND DIR..SE SE SE SE S S S SW SW SW S S
20 FT WIND SPD..2 2 2 2 2 2 2 2 2 2 2 2
20 FT WIND GUST.6 6 5 5 5 5 5 6 6 6 6 5
MIX HGT (KFT)...0.6 0.6 0.5 0.5 0.7 1.0 1.3 1.5 1.5 1.3 0.9 0.5
TRANSP WIND DIR.SE SE SE SE S SW SW SW SW SW S S
TRANSP WIND SPD.5 6 5 3 2 2 3 3 5 5 3 3
SDSPL KT-FT/10002 3 2 1 1 2 3 5 6 5 3 2
REQUESTED BY...PARKER JOHNSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2601614.0/CYS
.DELDT 02/04/26
.FORMATTERVERSION 2.0.0
.EMAIL PARKER.JOHNSON@USDA.GOV
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