992
FNUS75 KCYS 231740
FWSCYS
SPOT FORECAST FOR BANNER COUNTY RX BURN...BANNER COUNTY FIRE
NATIONAL WEATHER SERVICE CHEYENNE WY
1140 AM MDT WED SEP 23 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
A WEATHER DISTURBANCE ALOFT WILL MOVE ACROSS NORTHERN AND CENTRAL
WYOMING THIS AFTERNOON, AND ACROSS THE MOIST LOW LEVELS OF THE ATMOSPHERE,
SPAWNING ISOLATED TO WIDELY SCATTERED THUNDERSTORMS IN THE BURN AREA
FROM MID AFTERNOON THROUGH EARLY EVENING TODAY. WINDS WILL BE ERRATIC
AND GUSTY NEAR THUNDERSTORMS. SHOWERS AND THUNDERSTORMS WILL END BY
MID EVENING.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF
SHOWERS AND ISOLATED THUNDERSTORMS LATE IN THE
AFTERNOON.
CWR.................5 PERCENT.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 6 MPH BECOMING 5 TO 6
MPH LATE IN THE AFTERNOON. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......4100 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 10 MPH.
SMOKE DISPERSAL.....POOR (17700 KNOT-FT).
TIME (MDT) 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........79 79 79 78 78 78
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... RW RW RW
TSTM COV........ ISO ISO ISO
CWR.............10 10 10 10 10 10
TEMP............70 73 75 75 76 73
RH..............55 48 43 41 40 46
20 FT WIND DIR..S S SE E E SE
20 FT WIND SPD..6 6 6 6 6 5
20 FT WIND GUST.10 12 12 12 10 9
MIX HGT (KFT)...2.5 2.9 3.6 4.1 4.0 3.2
TRANSP WIND DIR.S S SW S S S
TRANSP WIND SPD.8 8 8 8 8 10
SDSPL KT-FT/100018 20 25 29 28 29
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN
SHOWERS AND ISOLATED THUNDERSTORMS EARLY IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS
LATE IN THE EVENING.
CWR.................6 PERCENT.
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........88 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING
BECOMING LIGHT. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS EARLY IN THE
EVENING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 13 MPH SHIFTING TO THE WEST 7 TO 9
MPH AFTER 3 AM.
SMOKE DISPERSAL.....POOR (2700 KNOT-FT).
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........68 68 68 74 74 74 74 74 74 78 78 78
WEATHER COV.....CHC CHC CHC SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW
TSTM COV........ISO ISO ISO
CWR.............10 10 10 10 10 10 0 0 0 0 0 0
TEMP............74 69 65 63 61 60 59 57 57 57 56 56
RH..............48 59 66 72 80 80 86 88 86 79 78 83
20 FT WIND DIR..S S S S S S S SW SW W W W
20 FT WIND SPD..5 3 3 2 2 2 2 2 2 3 3 3
20 FT WIND GUST.8 7 7 5 5 5 5 5 5 7 7 7
MIX HGT (KFT)...1.2 0.4 0.5 0.5 0.5 0.5 0.4 0.4 0.5 0.5 0.5 0.5
TRANSP WIND DIR.S S S S S S S SW SW W W NW
TRANSP WIND SPD.10 8 13 13 12 12 12 10 9 7 8 9
SDSPL KT-FT/100011 3 5 5 5 5 4 4 4 3 3 4
FORECASTER...RUBIN
REQUESTED BY...TIM GRUBBS
TYPE OF REQUEST...PRESCRIBED
.TAG 2622231.0/CYS
.DELDT 09/23/26
.FORMATTERVERSION 2.0.0
.EMAIL BCROADS@VISTABEAM.COM
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