340
FNUS75 KCYS 281119
FWSCYS
SPOT FORECAST FOR BALD...CASPER DISPATCH
NATIONAL WEATHER SERVICE CHEYENNE WY
519 AM MDT FRI AUG 28 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
DRY AND BREEZY CONDITIONS ARE EXPECTED TODAY AS AFTERNOON MINIMUM HUMIDITY
VALUES DROP TO THE 20-25% RANGE. LIGHT, SOUTHERLY WINDS THIS MORNING WILL
CONTINUE THROUGH 8AM DUE TO THE TOPOGRAPHY. WINDS START INCREASE AFTER 8AM
TO SUSTAINED 10 TO 15MPH GUSTING UPWARDS OF 20MPH, THEN INCREASE FURTHER AT
1PM THIS AFTERNOON WITH SUSTAINED WINDS 20 TO 25MPH GUSTING UPWARDS OF 45MPH.
STRONGER, DOWNSLOPING WINDS WILL LEAD TO DRIER SURFACE CONDITIONS ARE THESE
BREEZY WINDS. ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED
THIS AFTERNOON, WITH GUSTY AND ERRATIC WINDS LIKELY IN AND AROUND ANY SHOWER
OR STORM THAT DEVELOPS. WIND DIRECTION AND SPEED MAY CHANGE SUDDENLY AS THESE
SHOWERS AND STORMS APPROACH THE REGION. WINDS WILL START TO DECREASE AROUND
SUNSET, WITH SOUTHERLY WINDS AROUND 5 TO 10MPH EXPECTED OVERNIGHT. OVERNIGHT
HUMIDITY RECOVERY WILL BE DECENT, AROUND 55-60%. SATURDAY WILL BE DRY AND
BREEZY ONCE AGAIN, BUT AFTERNOON HUMIDITY VALUES WILL ONLY DROP INTO THE 30
TO 35% RANGE. WINDS WILL BE SIMILAR, INCREASING TO SUSTAINED 20 TO 25MPG
GUSTING UPWARDS OF 45MPH BY 11AM. ANOTHER ROUND OF ISOLATED TO SCATTERED
SHOWERS AND STORMS ARE EXPECTED SATURDAY, WITH GUSTY AND ERRATIC WINDS
HIGHLY LIKELY WITH ANY SHOWER OR STORM THAT FORMS.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE AFTERNOON. CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
LATE IN THE AFTERNOON.
CWR.................6 PERCENT.
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........WEST WINDS 8 TO 15 MPH INCREASING TO 18 TO 24
MPH WITH GUSTS TO AROUND 44 MPH IN THE
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......9800 FT AGL INCREASING TO 10500 FT AGL LATE IN
THE AFTERNOON.
TRANSPORT WINDS.....WEST 12 TO 20 MPH INCREASING TO 23 TO 31 MPH
LATE IN THE MORNING.
SMOKE DISPERSAL.....POOR (5400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO VERY GOOD (102800 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (187500
KNOT-FT) IN THE AFTERNOON, THEN DECREASING TO
VERY GOOD (109300 KNOT-FT) LATE IN THE
AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........42 67 55 44 47 48 30 48 61 59 73 76
WEATHER COV..... SCH SCH SCH CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH
CWR.............0 0 0 0 0 0 10 10 10 10 10 10
TEMP............57 57 59 61 65 68 71 74 74 75 73 72
RH..............45 43 40 38 34 31 29 25 25 24 26 28
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..8 9 9 10 12 13 15 18 22 24 23 21
20 FT WIND GUST.15 16 17 18 21 23 26 33 40 44 41 37
MIX HGT (KFT)...0.5 0.5 0.6 1.3 2.8 5.1 8.4 9.8 11 9.1 7.5 4.4
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.12 12 12 15 20 23 29 30 29 31 29 29
SDSPL KT-FT/10005 5 6 18 48 103 209 255 263 247 188 109
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CWR.................3 PERCENT.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 10 TO 16 MPH INCREASING TO 20
TO 24 MPH WITH GUSTS TO AROUND 43 MPH LATE IN
THE MORNING. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......10100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 14 TO 20 MPH INCREASING TO 24 TO 32
MPH IN THE LATE MORNING AND EARLY AFTERNOON,
THEN SHIFTING TO THE WEST 30 TO 35 MPH LATE IN
THE AFTERNOON DECREASING TO AROUND 25 MPH LATE
IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (6400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO VERY GOOD (105200 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (174400
KNOT-FT) LATE IN THE MORNING, THEN DECREASING
TO GOOD (81200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO VERY GOOD (110900 KNOT-FT) IN THE
AFTERNOON LATE IN THE AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........60 50 36 32 29 38 44 47 64 76 69 84
WEATHER COV..... CHC CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ CHC CHC CHC CHC CHC CHC
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............55 56 59 60 63 66 67 70 69 69 67 65
RH..............59 57 53 51 46 42 40 35 36 36 37 41
20 FT WIND DIR..SW SW SW SW SW SW SW W W W W W
20 FT WIND SPD..10 12 12 13 16 20 22 23 24 23 22 21
20 FT WIND GUST.18 20 21 24 29 35 39 41 43 43 40 37
MIX HGT (KFT)...0.5 0.6 1.1 2.4 5.0 7.3 9.3 10 8.6 7.1 4.3 3.7
TRANSP WIND DIR.W W SW SW SW W W SW SW W W W
TRANSP WIND SPD.14 14 15 20 24 28 32 29 30 35 30 25
SDSPL KT-FT/10006 8 15 40 105 174 261 254 224 214 111 81
FORECASTER...MOSE
REQUESTED BY...IC EVERT
TYPE OF REQUEST...WILDFIRE
.TAG 2620635.2/CYS
.DELDT 08/28/26
.FORMATTERVERSION 2.0.0
.EMAIL WYCPC@FIRENET.GOV
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