186
FNUS75 KCYS 161241
FWSCYS
SPOT FORECAST FOR FE WARREN PILE RX...USWFS
NATIONAL WEATHER SERVICE CHEYENNE WY
641 AM MDT THU APR 16 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING...
DISCUSSION
EXPECT A WARM, DRY, AND BREEZY DAY TODAY. TEMPERATURES WILL PEAK
ABOUT 5 DEGREES WARMER THAN YESTERDAY WITH HUMIDITY DOWN ABOUT 5
PERCENT. SOUTHWEST WIND WILL INCREASE THROUGH THE MORNING, GUSTING
30 TO 35 MPH BY NOON. THIS WILL LEAD TO CRITICAL FIRE WEATHER
CONDITIONS; A RED FLAG WARNING IS IN EFFECT FROM NOON TO SUNSET.
WHILE WIND WILL INITIALLY DECREASE AFTER SUNSET, AN APPROACHING
COLD FRONT WILL BRING A SHARP WIND INCREASE AND SHIFT TO OUT OF
NORTH BETWEEN 2100 AND 2300. THIS WILL ALSO BRING A CHANCE OF
RAIN AND SNOW SHOWERS OVERNIGHT, THOUGH MOST OF THIS WILL HOLD OFF
UNTIL AFTER SUNRISE FRIDAY. MUCH COLDER TEMPERATURES WILL BE SEEN
FRIDAY BEHIND THE FRONT, WITH UP TO A COUPLE INCHES OF SNOW
EXPECTED.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
CWR.................3 PERCENT.
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........15 PERCENT.
WIND (20 FT)........SOUTHWEST 10 TO 12 MPH GUSTING TO AROUND 20 MPH
INCREASING TO 18 TO 20 MPH AFTER 1200 WITH
GUSTS OF 30 TO 36 MPH..
MIXING HEIGHT.......INCREASING TO 12000 FT AGL BY 1400.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH INCREASING TO 25 TO 32
MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR INCREASING TO EXCELLENT BY 1100.
TIME (MDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........43 60 73 62 56 60 61 46 41 55 56
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0
TEMP............39 45 50 56 60 62 64 66 65 65 65
RH..............46 36 30 24 20 19 17 16 16 15 15
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..10 12 12 14 16 17 18 17 17 18 20
20 FT WIND GUST.18 21 23 28 30 33 36 33 33 36 36
MIX HGT (KFT)...0.6 0.6 2.5 4.6 6.7 8.9 10 12 12 12 12
TRANSP WIND DIR.S S SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.16 15 25 28 28 30 30 31 32 32 32
SDSPL KT-FT/10008 8 55 111 161 232 269 320 335 335 322
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF RAIN
AND SNOW SHOWERS OVERNIGHT.
CWR.................6 PERCENT.
MIN TEMPERATURE.....AROUND 24.
MAX HUMIDITY........84 PERCENT.
WIND (20 FT)........SOUTHWEST AROUND 15 MPH SHIFTING TO NORTH AROUND
20 MPH WITH GUSTS OF 30 TO 35 MPH BETWEEN 2100
AND 2300.
MIXING HEIGHT.......DECREASING TO 700 FT AGL BY 2100, THEN
INCREASING TO AROUND 3000 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 26 TO 32 MPH DECREASING TO 16 TO 20
MPH EARLY IN THE EVENING, THEN SHIFTING TO THE
NORTHWEST 22 TO 31 MPH IN THE LATE EVENING AND
OVERNIGHT.
SMOKE DISPERSAL.....EXCELLENT DECREASING TO POOR BY 2100. THEN,
INCREASING TO GOOD AFTER MIDNIGHT.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........54 67 69 71 71 72 72 72 71 71 72 73
WEATHER COV..... CHC CHC CHC CHC CHC CHC
WEATHER TYPE.... RS SW SW SW SW SW
TSTM COV........
CWR.............0 0 0 0 0 0 10 10 10 10 10 10
TEMP............63 59 54 51 47 43 40 37 34 32 29 28
RH..............17 19 23 26 31 39 46 54 61 66 75 75
20 FT WIND DIR..SW SW SW W NW NW N N N N N NW
20 FT WIND SPD..16 14 13 12 16 17 17 20 18 18 18 18
20 FT WIND GUST.30 26 24 22 30 33 32 36 35 35 35 35
MIX HGT (KFT)...10 3.5 0.8 0.7 1.4 1.9 2.3 2.3 3.0 2.3 2.4 2.3
TRANSP WIND DIR.SW SW SW W NW N NW NW NW N NW NW
TRANSP WIND SPD.32 26 20 16 22 26 30 31 31 31 29 26
SDSPL KT-FT/1000286 81 13 10 26 44 61 62 80 62 59 53
FORECASTER...RUBIN
REQUESTED BY...MICHAEL MILLER
TYPE OF REQUEST...PRESCRIBED
.TAG 2610174.3/CYS
.DELDT 04/16/26
.FORMATTERVERSION 2.0.0
.EMAIL MICHAEL_A_MILLER@FWS.GOV
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