851
FNUS75 KCYS 142304
FWSCYS
SPOT FORECAST FOR FIRE ACADEMY...NEMA
NATIONAL WEATHER SERVICE CHEYENNE WY
504 PM MDT SUN SEP 14 2025
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
PASSING SHOWERS AND THUNDERSTORMS EXPECTED THROUGH THIS EVENING,
BUT ANY IMPACTS SHOULD BE LIMITED AND BRIEF AT BEST. OVERNIGHT WE
SHOULD SEE CLEARING, WITH CLEAR CONDITIONS TO START MONDAY. DURING
THE AFTERNOON AND EVENING ANOTHER ROUND OF SHOWERS AND POSSIBLE
THUNDERSTORMS COULD IMPACT THE SITE, BUT ONCE AGAIN THIS ACTIVITY
SHOULD BE GENERAL IN NATURE WITH LIMITED IMPACTS TO THE SITE
OUTSIDE OF RAIN AND NEARBY LIGHTNING, BUT OCCASIONAL ERRATIC AND
GUSTY WINDS CANNOT BE RULED OUT. OVERALL WIND FIELD WILL BE FROM
THE SOUTH, SHIFTING TO THE SOUTHWEST TO WEST TOMORROW AFTERNOON
BEFORE RETURNING TO SOUTHERLY TOMORROW EVENING.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
MOSTLY CLEAR (15-25 PERCENT).
CWR.................2 PERCENT.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........69 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 7 TO 9 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 12 TO 20 MPH SHIFTING TO THE SOUTHWEST 15
TO 22 MPH OVERNIGHT.
SMOKE DISPERSAL.....POOR (3400 KNOT-FT).
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........64 64 64 33 33 33 9 9 9 21 21 21
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............70 67 63 61 60 59 58 57 56 56 55 55
RH..............46 52 62 67 69 69 69 69 66 64 61 59
20 FT WIND DIR..S S S S S S S SW SW SW SW SW
20 FT WIND SPD..7 7 8 8 9 9 9 9 8 8 8 8
20 FT WIND GUST.13 13 15 16 16 17 17 16 16 15 15 14
MIX HGT (KFT)...2.3 0.4 0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.4
TRANSP WIND DIR.S S S S S SW SW SW SW SW W W
TRANSP WIND SPD.12 12 13 15 16 20 20 22 17 15 16 15
SDSPL KT-FT/100012 3 5 6 7 8 8 9 7 5 6 5
MONDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT). SLIGHT CHANCE OF RAIN
SHOWERS LATE IN THE AFTERNOON.
CWR.................5 PERCENT.
MAX TEMPERATURE.....AROUND 86.
MIN HUMIDITY........21 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 7 TO 9 MPH.
MIXING HEIGHT.......9700 FT AGL INCREASING TO 11000 FT AGL LATE IN
THE AFTERNOON.
TRANSPORT WINDS.....WEST 13 TO 20 MPH SHIFTING TO THE SOUTH AROUND
13 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (5100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (83300 KNOT-FT) IN THE
AFTERNOON INCREASING TO GOOD (79100 KNOT-FT)
EARLY IN THE MORNING INCREASING TO EXCELLENT
(164400 KNOT-FT) IN THE AFTERNOON IN THE
AFTERNOON, THEN DECREASING TO FAIR (41100
KNOT-FT) LATE IN THE AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........16 16 16 4 4 4 8 8 8 43 43 43
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... RW RW RW
TSTM COV........
CWR.............0 0 0 0 0 0 10 10 10 10 10 10
TEMP............54 53 58 64 72 77 82 84 85 86 84 80
RH..............61 66 57 48 37 31 25 24 22 21 25 29
20 FT WIND DIR..SW SW W W W W W W SW SW SW S
20 FT WIND SPD..7 8 8 8 8 9 9 9 9 8 8 8
20 FT WIND GUST.14 14 15 15 16 16 17 17 16 16 15 15
MIX HGT (KFT)...0.4 0.5 0.5 0.8 1.8 5.3 8.7 9.7 11 10 7.4 4.1
TRANSP WIND DIR.W W W W W W W W W W SW S
TRANSP WIND SPD.15 15 15 17 17 18 20 18 16 14 13 13
SDSPL KT-FT/10005 6 8 13 32 83 145 164 150 118 79 41
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT). SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE EVENING. CHANCE OF
RAIN SHOWERS IN THE EVENING.
CWR.................6 PERCENT.
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........83 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 7 MPH SHIFTING TO THE WEST 5
TO 7 MPH EARLY IN THE EVENING. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY
IN THE EVENING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 13 MPH SHIFTING TO THE WEST AROUND
12 MPH EARLY IN THE EVENING, THEN SHIFTING TO
THE NORTH 8 TO 13 MPH LATE IN THE EVENING
SHIFTING TO THE WEST AROUND 7 MPH LATE IN THE
EVENING SHIFTING TO THE SOUTHWEST AROUND 8 MPH
SHIFTING TO THE NORTHWEST 8 TO 12 MPH
OVERNIGHT.
SMOKE DISPERSAL.....POOR (2700 KNOT-FT).
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........58 66 73 76 65 57 41 36 37 38 41 41
WEATHER COV.....CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW
TSTM COV........SCH SCH SCH
CWR.............10 10 10 10 10 10 0 0 0 0 0 0
TEMP............79 72 68 66 64 61 59 58 57 55 54 53
RH..............32 43 51 54 58 65 67 69 69 74 77 80
20 FT WIND DIR..SE S W NW NW W W W W W W NW
20 FT WIND SPD..7 7 7 6 5 5 5 5 5 5 5 6
20 FT WIND GUST.14 13 12 10 9 9 8 8 8 8 9 9
MIX HGT (KFT)...0.9 0.5 0.4 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.SE S W N N W S SW W NW NW NW
TRANSP WIND SPD.13 10 12 13 8 7 8 8 8 9 10 12
SDSPL KT-FT/10009 4 4 5 3 3 3 3 3 3 3 3
FORECASTER...GOATLEY
REQUESTED BY...MEGAN ECKLES
TYPE OF REQUEST...PRESCRIBED
.TAG 2521943.1/CYS
.DELDT 09/14/25
.FORMATTERVERSION 2.0.0
.EMAIL MEGAN.ECKLES@NEBRASKA.GOV
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