061
FNUS75 KRIW 062024
FWSRIW
SPOT FORECAST FOR PINNACLES...USFS
NATIONAL WEATHER SERVICE RIVERTON WY
224 PM MDT THU AUG 6 2026
FORECAST IS BASED ON FORECAST START TIME OF 1400 MDT ON AUGUST 06.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
MOSTLY CLEAR SKIES AND VERY DRY CONDITIONS CONTINUE THROUGH THE
REST OF THIS WEEK. WARMING TREND CONTINUES THROUGH FRIDAY, WITH
TEMPERATURES STAYING CONSISTENT THROUGH THE WEEKEND. WIND WILL
REMAIN WEST/NORTHWEST THROUGH THIS AFTERNOON TRANSITIONING TO
MORE OF A DIURNAL DRAINAGE WIND AFTER 2100. WIND WILL REMAIN
WEST/NORTHWEST EACH AFTERNOON THROUGH THIS WEEKEND. RH RECOVERY
WILL REMAIN VERY POOR EVERY NIGHT THROUGH THIS WEEKEND. SMOKE
DISPERSAL WILL IMPROVE TO EXCELLENT EACH AFTERNOON THROUGH THIS
WEEKEND AS WELL.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
REST OF TODAY
SKY/WEATHER.........SUNNY (0-5 PERCENT). AREAS OF SMOKE.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........15 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20
MPH.
RIDGETOP WIND.......WEST AROUND 20 MPH.
MIXING HEIGHT.......8500 FT AGL UNTIL 1700, THEN 9000 FT AGL.
TRANSPORT WINDS.....WEST 23 TO 28 MPH.
SMOKE DISPERSAL.....EXCELLENT.
TIME (MDT) 2PM 3PM 4PM 5PM
SKY (%).........0 0 0 0
WEATHER COV.....ARS ARS ARS ARS
WEATHER TYPE....SMK SMK SMK SMK
TSTM COV........
CWR.............0 0 0 0
CHC OF PCPN (%).0 0 0 0
CHC OF THDR (%).0 0 0 0
TEMP............73 74 74 74
RH..............17 17 17 17
20 FT WIND DIR..W W W W
20 FT WIND SPD..14 14 14 13
20 FT WIND GUST.19 19 19 18
RIDGE WIND DIR..W W W W
RIDGE WIND SPD..20 20 20 20
MIX HGT (KFT)...7.0 8.0 8.5 9.0
TRANSP WIND DIR.W W W W
TRANSP WIND SPD.23 24 23 23
SDSPL KT-FT/1000145 163 166 179
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). AREAS OF SMOKE
EARLY IN THE EVENING, THEN PATCHY SMOKE IN THE
LATE EVENING AND OVERNIGHT.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........32 PERCENT.
WIND (20 FT)........WEST WINDS 7 TO 12 MPH WITH GUSTS TO AROUND 17
MPH UNTIL 2300, THEN LIGHT UNTIL 0500, THEN
WEST AROUND 7 MPH.
RIDGETOP WIND.......WEST 15 TO 20 MPH UNTIL 0100, THEN 10 TO 15
MPH.
MIXING HEIGHT.......9000 FT AGL UNTIL 1900. 500 FT AGL AFTER 2000.
TRANSPORT WINDS.....WEST 14 TO 21 MPH UNTIL 2200, THEN SOUTHWEST 10
TO 14 MPH.
SMOKE DISPERSAL.....EXCELLENT EARLY IN THE EVENING DECREASING TO
VERY GOOD LATE IN THE NIGHT UNTIL 2000, THEN
POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........5 5 10 15 10 5 10 10 10 10 5 10
WEATHER COV.....ARS ARS ARS ARS PTY PTY PTY PTY PTY PTY PTY PTY
WEATHER TYPE....SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK
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 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............72 72 68 61 59 57 56 54 53 53 52 52
RH..............19 21 25 28 29 29 31 34 33 33 31 31
20 FT WIND DIR..W W W SW SW W NW W W W W W
20 FT WIND SPD..12 11 8 7 7 6 6 5 6 6 6 7
20 FT WIND GUST.17 16 14 12 10 10 10 6 7 7 10 10
RIDGE WIND DIR..W W W SW SW W NW W W W W W
RIDGE WIND SPD..20 20 15 15 15 15 15 10 10 10 15 15
MIX HGT (KFT)...9.0 7.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.W W W SW SW SW SW SW SW SW S S
TRANSP WIND SPD.21 18 15 14 14 13 13 10 12 12 13 14
SDSPL KT-FT/1000158 110 10 7 7 7 6 5 6 6 6 7
FRIDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT). PATCHY SMOKE EARLY IN THE
MORNING.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........17 PERCENT.
WIND (20 FT)........LIGHT UNTIL 0900, THEN WEST 10 TO 15 MPH. GUSTS UP
TO 20 MPH.
RIDGETOP WIND.......WEST 10 TO 15 MPH UNTIL 1200, THEN AROUND 20
MPH.
MIXING HEIGHT.......1500 FT AGL UNTIL 1000. 9500 FT AGL AFTER 1300.
TRANSPORT WINDS.....WEST 12 TO 18 MPH UNTIL 1200, THEN 20 TO 21
MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900 THEN INCREASING TO EXCELLENT AFTER
1300.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........10 10 0 0 0 5 5 0 0 0 0 5
WEATHER COV.....PTY
WEATHER TYPE....SMK
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 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............51 51 56 61 67 70 73 75 76 77 77 77
RH..............31 35 32 27 24 21 19 19 18 17 16 17
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..8 7 6 7 8 9 11 11 12 12 11 11
20 FT WIND GUST.12 10 10 12 14 14 16 16 17 17 16 16
RIDGE WIND DIR..W W W W W W W W W W W W
RIDGE WIND SPD..15 15 10 15 15 15 20 20 20 20 20 20
MIX HGT (KFT)...0.5 0.5 0.5 1.5 3.5 6.0 7.0 8.5 9.0 9.5 9.5 9.5
TRANSP WIND DIR.SW W W W W W W W W W W W
TRANSP WIND SPD.15 14 12 14 15 18 21 21 21 21 21 20
SDSPL KT-FT/10007 6 6 16 48 98 130 150 159 167 170 164
FORECAST DAYS 3 THROUGH 5
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. WEST
WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID 70S.
SOUTHWEST WINDS AROUND 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S.
SOUTHWEST WINDS AROUND 10 MPH.
FORECASTER...ROWE
REQUESTED BY...TRAVIS CLARK
TYPE OF REQUEST...WILDFIRE
.TAG 2619100.0/RIW
.DELDT 08/06/26
.FORMATTERVERSION 2.0.0
.EMAIL TRAVIS.L.CLARK@USDA.GOV,WYCDC@FIRENET.GOV
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