418
FNUS75 KRIW 071117
FWSRIW
SPOT FORECAST FOR COW CAMP...UNITED STATES WILDLAND FIRE SERVICE
NATIONAL WEATHER SERVICE RIVERTON WY
517 AM MDT MON SEP 7 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON SEPTEMBER 07.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
CLOUDS WILL CONTINUE TO SCATTER OUT THIS MORNING, BECOMING CLEAR
BY 0900. WEST WINDS 10 TO 15 MPH WILL STEADILY INCREASE THROUGH
THE MORNING, WITH GUSTS UP TO 30 MPH EXPECTED BY 1100. WINDS WILL
BECOMING MORE WEST-NORTHWEST AFTER 1300, WITH GUSTS AROUND 35 MPH.
WINDS WILL BEGIN TO DECREASE AFTER 1800, WITH A COLD FRONT MOVING
OVER THE SITE BETWEEN 1800 AND 2100. WINDS WILL TURN MORE
NORTHERLY BETWEEN 2200 AND 0000, BECOMING LIGHT (10 MPH OR LESS).
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
TODAY
SKY/WEATHER.........SUNNY (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........19 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 0700. WINDS WEST 17 TO 21 MPH
WITH GUSTS TO AROUND 30 MPH AFTER 1100.
RIDGETOP WIND.......WEST 15 TO 20 MPH UNTIL 1000, THEN 25 TO 30
MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 0900. 9000 FT AGL AFTER 1300.
TRANSPORT WINDS.....WEST 15 TO 23 MPH UNTIL 1100, THEN 26 TO 31
MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1300.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........45 40 20 5 5 10 10 10 15 15 15 10
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).10 10 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............58 57 58 60 63 66 67 68 70 71 70 69
RH..............58 64 63 61 53 45 38 33 29 26 23 21
20 FT WIND DIR..W W W SW SW W W W W W W W
20 FT WIND SPD..6 7 10 13 15 17 18 20 20 20 21 21
20 FT WIND GUST.14 14 17 19 21 24 26 28 29 30 30 28
RIDGE WIND DIR..W W W SW SW W W W W W W W
RIDGE WIND SPD..15 15 15 20 25 25 30 30 30 30 30 30
MIX HGT (KFT)...0.5 0.5 1.0 2.5 4.0 6.0 7.5 8.5 9.0 8.5 9.0 8.5
TRANSP WIND DIR.W W W SW W W W W W W W W
TRANSP WIND SPD.15 16 20 22 23 26 28 30 30 30 31 31
SDSPL KT-FT/10007 8 17 50 84 137 180 215 228 222 245 236
TONIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 46.
MAX HUMIDITY........41 PERCENT.
WIND (20 FT)........WEST WINDS 11 TO 20 MPH WITH GUSTS TO AROUND 26
MPH UNTIL 2100, THEN LIGHT.
RIDGETOP WIND.......WEST 25 TO 30 MPH UNTIL 2000, THEN NORTHWEST 15
TO 20 MPH UNTIL 2200, THEN NORTH AROUND 10 MPH
UNTIL 0400, THEN NORTHEAST UNTIL 0500, THEN
LIGHT.
MIXING HEIGHT.......7500 FT AGL UNTIL 1900. 500 FT AGL AFTER 2000.
TRANSPORT WINDS.....WEST 21 TO 30 MPH UNTIL 2100, THEN NORTHWEST 7
TO 15 MPH.
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 0300.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........5 5 5 0 5 5 5 5 5 5 5 0
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 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............68 64 60 56 54 52 50 50 49 49 48 48
RH..............21 22 24 27 29 31 34 35 37 39 39 40
20 FT WIND DIR..W W W NW NW N N N N N NE SE
20 FT WIND SPD..20 16 11 6 5 4 4 3 3 3 3 2
20 FT WIND GUST.26 23 18 14 12 10 7 6 6 6 6 6
RIDGE WIND DIR..W W W NW NW N N N N N NE SE
RIDGE WIND SPD..30 25 20 15 10 10 10 10 10 10 10 5
MIX HGT (KFT)...7.5 3.5 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.W W W NW W NW NW N N NW N N
TRANSP WIND SPD.30 25 21 15 13 12 12 10 9 8 8 7
SDSPL KT-FT/1000189 78 14 8 6 6 6 5 4 4 4 3
TUESDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........15 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 1100, THEN WEST 9 TO 13 MPH
WITH GUSTS TO AROUND 20 MPH.
RIDGETOP WIND.......LIGHT WINDS UNTIL 0700, THEN WEST 10 TO 15 MPH
UNTIL 1200, THEN AROUND 20 MPH.
MIXING HEIGHT.......2000 FT AGL UNTIL 1000. 8500 FT AGL AFTER 1600.
TRANSPORT WINDS.....NORTHWEST AROUND 7 MPH UNTIL 0700, THEN WEST 9
TO 18 MPH UNTIL 1300, THEN 20 TO 22 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD BY 1300 INCREASING
TO EXCELLENT IN THE AFTERNOON AFTER 1600.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........0 20 10 5 0 0 5 10 5 0 0 5
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 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............47 46 49 52 55 57 60 62 64 65 66 64
RH..............41 33 29 26 25 23 20 19 16 15 14 15
20 FT WIND DIR..SE SW W W W W W W W W W W
20 FT WIND SPD..1 4 4 6 6 9 11 12 13 12 12 11
20 FT WIND GUST.6 6 7 10 12 14 18 20 20 19 18 18
RIDGE WIND DIR..SE SW W W W W W W W W W W
RIDGE WIND SPD..5 10 10 10 15 15 20 20 20 20 20 20
MIX HGT (KFT)...0.5 0.5 1.0 2.0 3.0 3.5 4.5 6.0 7.5 7.0 8.5 8.5
TRANSP WIND DIR.NW SW SW W W W W W W W W W
TRANSP WIND SPD.7 9 9 12 13 16 18 20 22 22 21 20
SDSPL KT-FT/10003 4 6 19 32 52 72 102 138 133 155 144
FORECAST DAYS 3 THROUGH 5
WEDNESDAY
CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID 60S. WEST-NORTHWEST
WINDS 15-25 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S.
NORTHWEST WINDS 15-25 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 60S. WEST
TO NORTHWEST WINDS 15-25 MPH.
FORECASTER...LAVOIE
REQUESTED BY...SHELBY BELL
TYPE OF REQUEST...WILDFIRE
.TAG 2621182.6/RIW
.DELDT 09/07/26
.FORMATTERVERSION 2.0.0
.EMAIL KADEN_MCELHINNY@HOTMAIL.COM,WYCDC@FIRENET.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page