151
FNUS75 KRIW 091422
FWSRIW
SPOT FORECAST FOR COKEVILLE MEADOWS NWR RX...US WILDLAND FIRE SERVICE
NATIONAL WEATHER SERVICE RIVERTON WY
822 AM MDT THU APR 9 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 MDT ON APRIL 09.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
A FEW TO SCATTERED MID TO HIGH CLOUDS THROUGH THE DAY WITH DRY
CONDITIONS EXPECTED. WINDS MAINLY SOUTHWESTERLY AROUND 10 MPH
THROUGH ABOUT 1200L. THERE AFTER, EXPECT A MAINLY WEST WIND AROUND
10 TO 15 MPH THROUGH SUNSET BEFORE DIMINISHING TO LESS THAN 10
MPH AFTER 20-2100L. OTHERWISE, HUMIDITY VALUES DOWN TO AROUND 25
PERCENT IN THE AFTERNOON WITH SMOKE DISPERSAL BECOMING VERY GOOD
TO EXCELLENT AFTER 1300.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...5 PERCENT.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........SOUTH AROUND 3 MPH BECOMING WEST 5 TO 10 MPH WITH
GUSTS TO AROUND 15 MPH.
RIDGETOP WIND.......LIGHT WINDS UNTIL 1000, THEN WEST 10 TO 15 MPH
UNTIL 1700, THEN AROUND 15 MPH.
MIXING HEIGHT.......INCREASING TO 9500 FT BY 1400.
TRANSPORT WINDS.....SOUTHWEST AROUND 7 MPH UNTIL 1000, THEN WEST 8
TO 17 MPH UNTIL 1500, THEN 17 TO 21 MPH.
SMOKE DISPERSAL.....POOR BECOMING VERY GOOD TO EXCELLENT AFTER 1300.
TIME (MDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15 30 25 35 45 45 30 45 45 35 35
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 0 10 10 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 10 0 0
TEMP............39 41 44 47 52 56 59 62 63 63 64
RH..............62 57 52 47 39 34 30 26 25 24 24
20 FT WIND DIR..SE S S SW SW W W W W W W
20 FT WIND SPD..2 2 3 3 3 4 5 6 9 8 8
20 FT WIND GUST.4 5 5 5 5 6 7 10 14 13 13
RIDGE WIND DIR..E SE SW SW SW W W W W W W
RIDGE WIND SPD..5 5 5 10 10 10 10 15 15 15 15
MIX HGT (KFT)...1.0 1.0 1.5 2.5 5.0 7.5 9.0 9.5 9.0 9.0 8.5
TRANSP WIND DIR.S S SW W W W W W W W W
TRANSP WIND SPD.7 7 7 8 10 14 17 17 21 18 17
SDSPL KT-FT/10007 7 8 18 44 92 133 143 166 147 131
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
MIN TEMPERATURE.....AROUND 34.
MAX HUMIDITY........79 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 7 MPH UNTIL 1900, THEN
LIGHT.
RIDGETOP WIND.......NORTHWEST 10 TO 15 MPH UNTIL 2000, THEN EAST
UNTIL 0100, THEN EAST AROUND 10 MPH.
MIXING HEIGHT.......7500 FT AGL UNTIL 1900. 1000 FT AGL AFTER 2000.
TRANSPORT WINDS.....WEST 12 TO 14 MPH UNTIL 2000. EAST 10 TO 13 MPH
AFTER 2300.
SMOKE DISPERSAL.....GOOD UNTIL 1900. POOR AFTER 2000.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........30 30 35 35 35 35 35 45 40 50 65 45
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............63 61 56 50 47 44 43 42 40 39 37 36
RH..............25 28 36 43 50 57 63 63 69 73 73 75
20 FT WIND DIR..NW NW N NE E E E E NE E E E
20 FT WIND SPD..7 6 5 5 6 6 4 4 5 5 4 5
20 FT WIND GUST.11 8 7 6 7 7 6 6 6 6 6 6
RIDGE WIND DIR..NW NW N NE E E E E NE E E E
RIDGE WIND SPD..15 10 10 10 10 10 10 10 10 10 10 10
MIX HGT (KFT)...7.5 5.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
TRANSP WIND DIR.W W N NE E SE E E E E E E
TRANSP WIND SPD.14 12 10 10 12 12 12 12 13 13 10 12
SDSPL KT-FT/100091 48 11 10 11 11 11 11 13 13 10 11
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...6 PERCENT.
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........22 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 1300, THEN SOUTHWEST 7 TO 9
MPH WITH GUSTS TO AROUND 16 MPH.
RIDGETOP WIND.......LIGHT WINDS UNTIL 0900, THEN SOUTHEAST 10 TO 15
MPH UNTIL 1400, THEN SOUTHWEST.
MIXING HEIGHT.......1500 FT AGL UNTIL 1000. 10500 FT AGL AFTER
1500.
TRANSPORT WINDS.....SOUTHEAST 9 TO 12 MPH UNTIL 1000, THEN SOUTH 16
TO 25 MPH UNTIL 1500, THEN SOUTHWEST 25 TO 26
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1400.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........65 60 65 70 70 70 70 65 60 60 60 60
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 10 10 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 10 10 10 10 10 10
TEMP............36 35 38 43 49 56 62 65 66 67 67 67
RH..............79 73 66 57 47 38 30 25 23 22 21 22
20 FT WIND DIR..E SE SE SE SE S S S S SW SW SW
20 FT WIND SPD..2 2 2 3 4 5 6 7 8 9 9 9
20 FT WIND GUST.4 5 5 6 7 10 11 13 14 16 16 14
RIDGE WIND DIR..E SE SE SE SE S S S S SW SW SW
RIDGE WIND SPD..5 5 5 10 10 10 10 15 15 15 15 15
MIX HGT (KFT)...1.0 1.0 1.0 1.5 3.0 5.0 6.5 8.0 9.0 11 10 9.5
TRANSP WIND DIR.E SE SE SE S S S S SW SW SW SW
TRANSP WIND SPD.12 9 9 10 16 20 22 23 25 26 26 25
SDSPL KT-FT/100011 8 8 13 40 81 128 158 201 237 230 212
FORECAST DAYS 3 THROUGH 5
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S. SOUTH WINDS AROUND
7 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S. SOUTH WINDS AROUND
8 MPH.
MONDAY
MOSTLY CLOUDY WITH SNOW SHOWERS AND SHOWERS LIKELY. LOWS IN THE
UPPER 20S. HIGHS IN THE MID 40S. WEST WINDS AROUND 7 MPH.
FORECASTER...ROWE/MYERS
REQUESTED BY...ANDREW BUYERS
TYPE OF REQUEST...PRESCRIBED
.TAG 2609355.1/RIW
.DELDT 04/09/26
.FORMATTERVERSION 2.0.0
.EMAIL ANDREW_BUYERS@FWS.GOV
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