362
FNUS75 KRIW 080022
FWSRIW
SPOT FORECAST FOR BUCK MOUNTAIN...USFS
NATIONAL WEATHER SERVICE RIVERTON WY
622 PM MDT TUE APR 7 2026
FORECAST IS BASED ON FORECAST START TIME OF 1800 MDT ON APRIL 07.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
LOW CHANCE (15%) OF A RAIN SHOWER TONIGHT UNTIL 0600. IF A SHOWER
DOES OCCUR THE CHANCE OF WETTING RAIN IS ZERO. AN EVEN LOWER
CHANCE OF LIGHTNING (5-10%) UNTIL 2300 TONIGHT. WIND WILL REMAIN
QUITE STRONG FROM THE WEST BECOMING MORE NORTHWESTERLY AND LIGHTER
BY 2200. HUMIDITY RECOVERY WILL ONLY BE FAIR TONIGHT AND WILL
DROP TO AROUND 25% WEDNESDAY AFTERNOON. A COLD FRONT WILL PASS
THROUGH THE AREA TONIGHT, BUT A WINDSHIFT FROM NORTHWESTERLY TO
EASTERLY IS NOT EXPECTED UNTIL AT LEAST 1500-1700 WEDNESDAY AFTERNOON
AS THE COOLER AIR WILL SLOWLY MAKE ITS WAY UP THE VALLEY FROM THE
BIGHORN BASIN. THIS WINDSHIFT HAS ABOUT A 30-40% CHANCE OF MAKING
IT ALL THE WAY UP THE VALLEY TO THE FIRE LOCATION BY 1700, BUT
SHOULD REACH THE FIRE LOCATION BY 1900-2000. THERE IS ANOTHER LOW
CHANCE (10%) FOR A RAIN SHOWER WEDNESDAY AFTERNOON AND EVENING.
LITTLE TO NO RAINFALL ACCUMULATION IS EXPECTED.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......15 PERCENT.
CHANCE OF THUNDER...6 PERCENT.
MIN TEMPERATURE.....AROUND 28.
MAX HUMIDITY........58 PERCENT.
WIND (20 FT)........BREEZY. WEST WINDS 22 TO 29 MPH WITH GUSTS TO
AROUND 43 MPH UNTIL 2200, THEN SHIFTING NORTHWEST
11 TO 19 MPH WITH GUSTS TO AROUND 29 MPH.
RIDGETOP WIND.......WEST 35 TO 40 MPH UNTIL 2100 DECREASING TO AROUND
20 MPH AFTER 2400.
MIXING HEIGHT.......500 FT AGL UNTIL 2000.
TRANSPORT WINDS.....WEST 32 TO 41 MPH UNTIL 2200, THEN 21 TO 29
MPH.
SMOKE DISPERSAL.....FAIR UNTIL 1900. POOR AFTER 2000.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........15 20 20 20 20 25 30 35 35 35 25 20
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 10 10 0
CHC OF THDR (%).0 0 0 10 10 10 0 0 0 0 0 0
TEMP............50 50 48 46 44 43 40 39 37 35 33 31
RH..............36 37 39 37 39 41 46 48 52 54 56 58
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..29 28 25 22 19 17 14 13 12 12 11 11
20 FT WIND GUST.43 39 35 32 29 25 21 20 19 20 19 18
RIDGE WIND DIR..W W W W W W W W W W W W
RIDGE WIND SPD..40 40 35 30 30 25 20 20 20 20 20 20
MIX HGT (KFT)...1.5 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.41 39 36 32 29 25 23 23 22 21 21 22
SDSPL KT-FT/100056 16 2 2 2 1 1 1 1 1 1 1
WEDNESDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
MAX TEMPERATURE.....AROUND 45.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH WITH GUSTS OF 20 TO 25
MPH.
RIDGETOP WIND.......WEST 15 TO 20 MPH.
MIXING HEIGHT.......6500 FT AGL AFTER 1600.
TRANSPORT WINDS.....WEST 21 TO 26 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0800 INCREASING THROUGH THE MORNING
TO VERY GOOD IN THE AFTERNOON AFTER 1300.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15 15 15 10 10 10 15 20 15 15 25 40
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............30 30 29 31 34 37 39 41 42 44 44 45
RH..............57 54 50 43 38 31 28 29 27 26 28 29
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..10 10 10 12 12 11 10 10 11 12 13 14
20 FT WIND GUST.16 16 18 19 20 20 19 19 20 21 22 23
RIDGE WIND DIR..W W W W W W W W W W W W
RIDGE WIND SPD..15 15 15 20 20 20 15 15 20 20 20 20
MIX HGT (KFT)...0.1 0.1 2.5 2.5 3.0 3.5 4.5 5.0 6.0 6.0 6.5 6.0
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.22 22 26 26 23 22 21 21 22 22 22 23
SDSPL KT-FT/10001 3 59 62 61 70 79 91 109 119 120 117
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
MIN TEMPERATURE.....AROUND 32.
MAX HUMIDITY........55 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 13 TO 18 MPH WITH GUSTS OF 23
TO 28 MPH UNTIL 1900, THEN EAST AROUND 10 TO 15
MPH WITH GUSTS OF 18 TO 23 MPH UNTIL 2100, THEN
WEST 8 TO 13 MPH WITH GUSTS OF 15 TO 20 MPH.
RIDGETOP WIND.......WEST AROUND 25 MPH UNTIL 1900, THEN EAST UNTIL
2000, THEN SOUTHWEST UNTIL 2200, THEN WEST.
MIXING HEIGHT.......3500 FT AGL UNTIL 2000.
TRANSPORT WINDS.....WEST 18 TO 23 MPH.
SMOKE DISPERSAL.....VERY GOOD UNTIL 1900. POOR AFTER 2100.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........50 50 45 40 35 30 25 25 20 15 15 15
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).10 10 10 10 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............43 43 40 38 37 36 36 35 34 34 33 32
RH..............32 38 42 45 47 48 49 49 49 49 51 54
20 FT WIND DIR..W E S SW W W W W W W W W
20 FT WIND SPD..15 13 12 11 11 11 11 11 11 11 11 11
20 FT WIND GUST.23 20 18 16 14 16 16 16 14 14 14 14
RIDGE WIND DIR..W E S SW W W W W W W W W
RIDGE WIND SPD..25 20 20 20 20 20 20 20 20 20 20 20
MIX HGT (KFT)...5.0 3.5 2.0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.W W W SW SW W W W W W W W
TRANSP WIND SPD.23 21 20 18 18 18 18 18 18 18 18 18
SDSPL KT-FT/1000105 64 31 1 1 1 1 1 1 1 1 1
THURSDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
MAX TEMPERATURE.....AROUND 46.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 9 TO 11 MPH UNTIL 1300.
NORTHEAST AROUND 13 MPH AFTER 1700. GUSTS UP TO
26 MPH.
RIDGETOP WIND.......NORTHWEST 15 TO 20 MPH UNTIL 1400, THEN
NORTHEAST.
MIXING HEIGHT.......2500 FT AGL AFTER 0700 INCREASING TO 6000 FT AGL
AFTER 1200 UNTIL 1700, THEN 3500 FT AGL.
TRANSPORT WINDS.....WEST 16 TO 21 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0700 INCREASING TO VERY GOOD IN THE
AFTERNOON AFTER 1100.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15 15 15 15 15 15 15 20 25 30 30 30
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............32 33 34 36 38 41 43 44 45 45 45 44
RH..............55 53 50 46 42 38 35 34 34 36 38 40
20 FT WIND DIR..W W NW NW NW NW NW N N NE NE NE
20 FT WIND SPD..11 10 9 9 9 10 11 11 12 12 13 13
20 FT WIND GUST.14 14 14 14 16 18 18 19 20 21 21 21
RIDGE WIND DIR..W W NW NW NW NW NW N N NE NE NE
RIDGE WIND SPD..20 15 15 15 15 15 20 20 20 20 20 20
MIX HGT (KFT)...0.1 1.0 1.5 2.5 3.5 4.5 6.0 5.5 5.5 5.5 4.5 3.5
TRANSP WIND DIR.W W W W W W W W W W W SW
TRANSP WIND SPD.18 17 16 16 16 18 21 20 20 20 21 21
SDSPL KT-FT/10001 13 24 36 51 76 105 96 93 90 80 64
FORECAST DAYS 3 THROUGH 5
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS. LOWS
AROUND 30. HIGHS IN THE LOWER 50S. SOUTH WINDS AROUND 9 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE MID 50S.
SOUTHWEST WINDS AROUND 13 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS AND SNOW SHOWERS LIKELY. LOWS IN THE UPPER
30S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 17 MPH.
FORECASTER...ROWE
REQUESTED BY...AUBREY WILLIAMS
TYPE OF REQUEST...WILDFIRE
.TAG 2609478.0/RIW
.DELDT 04/07/26
.FORMATTERVERSION 2.0.0
.EMAIL WYCDC@FIRENET.GOV
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