776
FNUS75 KRIW 081205
FWSRIW
SPOT FORECAST FOR COKEVILLE MEADOWS NWR RX...US WILDLAND FIRE SERVICE
NATIONAL WEATHER SERVICE RIVERTON WY
605 AM MDT WED APR 8 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 MDT ON APRIL 09.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
DRY CONDITIONS AND A FEW TO SCATTERED HIGH CLOUDS THROUGHOUT THE
DAY. SOUTHWEST WINDS AROUND 5-10 MPH THIS MORNING BECOMING WESTERLY
BY 1100 INCREASING TO 15-20 MPH IN THE AFTERNOON AND EARLY
EVENING. EXPECT WINDS TO DIMINISH AROUND 1900 AND TURN NORTH TO
NORTHEASTERLY AROUND 5-10 MPH OR LESS THROUGH THE OVERNIGHT
HOURS. HUMIDITY VALUES DOWN TO NEAR 25 PERCENT IN THE AFTERNOON
WITH SMOKE DISPERSAL POOR UNTIL THE WINDS INCREASE AFTER 1100.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...7 PERCENT.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........LIGHT WINDS.
RIDGETOP WIND.......LIGHT WINDS UNTIL 1100, THEN WEST 10 TO 15 MPH.
MIXING HEIGHT.......2500 FT AGL UNTIL 1100. 9000 FT AGL AFTER 1500.
TRANSPORT WINDS.....SOUTH AROUND 7 MPH UNTIL 0900. WEST 8 TO 16 MPH
AFTER 1100.
SMOKE DISPERSAL.....POOR UNTIL 1100 INCREASING TO VERY GOOD THERE AFTER.
TIME (MDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........40 40 35 40 40 45 40 35 35 35 35
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............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
CHC OF THDR (%).0 0 0 0 0 0 0 0 10 10 10
TEMP............34 37 40 45 51 57 60 62 63 65 65
RH..............69 63 57 49 40 32 28 25 24 22 22
20 FT WIND DIR..SE S SW SW W W W W W W NW
20 FT WIND SPD..2 2 2 2 3 4 5 6 6 6 6
20 FT WIND GUST. 4 6 6 8 10 11 11 11 10
RIDGE WIND DIR..SE S SW SW W W W W W W NW
RIDGE WIND SPD..5 5 5 5 10 10 10 10 15 15 15
MIX HGT (KFT)...1.0 1.0 1.5 2.5 4.0 5.5 6.5 7.5 9.0 8.0 7.5
TRANSP WIND DIR.SE S SW W W W W W W W W
TRANSP WIND SPD.7 7 7 7 8 10 13 14 16 15 15
SDSPL KT-FT/10006 GUSTING UP TO AROUND 6 9 14 28 50 73 92 123 107 99
THURSDAY NIGHT
UNTIL 1400, THEN
EXCELLENT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (55-65 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
MIN TEMPERATURE.....AROUND 34.
MAX HUMIDITY........76 PERCENT.
WIND (20 FT)........LIGHT WINDS.
RIDGETOP WIND.......NORTHWEST AROUND 10 MPH UNTIL 2100, THEN NORTH
UNTIL 2200, THEN LIGHT.
MIXING HEIGHT.......7000 FT AGL UNTIL 1900. 1000 FT AGL AFTER 2100.
TRANSPORT WINDS.....NORTHWEST 12 TO 14 MPH UNTIL 2000, THEN
NORTHEAST 8 TO 9 MPH UNTIL 2300, THEN EAST 9 TO
17 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1900 BECOMING POOR THERE AFTER.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........35 35 40 45 45 50 55 55 55 60 60 65
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............64 60 55 50 47 44 42 40 39 38 36 35
RH..............24 28 35 42 50 57 63 66 67 68 72 76
20 FT WIND DIR..NW NW N N NE E E E E E E E
20 FT WIND SPD..6 5 4 3 2 2 2 2 2 2 2 2
20 FT WIND GUST.10 8 6 6 5 4 4 4 5 5 5 4
RIDGE WIND DIR..NW NW N N NE E E E E E E E
RIDGE WIND SPD..10 10 10 10 5 5 5 5 5 5 5 5
MIX HGT (KFT)...7.0 5.0 3.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
TRANSP WIND DIR.W NW N NE NE E E E E E E E
TRANSP WIND SPD.14 12 9 8 8 9 10 13 15 17 17 16
SDSPL KT-FT/100085 51 25 8 8 9 10 12 13 15 15 15
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF PCPN......20 PERCENT.
CHANCE OF THUNDER...8 PERCENT.
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 1500, THEN SOUTHWEST AROUND 7
MPH WITH GUSTS TO AROUND 13 MPH.
RIDGETOP WIND.......LIGHT WINDS UNTIL 0800, THEN SOUTHEAST AROUND
10 MPH UNTIL 1400, THEN SOUTHWEST.
MIXING HEIGHT.......1500 FT AGL UNTIL 1000. 11000 FT AGL AFTER
1400.
TRANSPORT WINDS.....SOUTHEAST 12 TO 16 MPH UNTIL 1100, THEN SOUTH
15 TO 23 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100 INCREASING TO VERY
GOOD IN THE AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........70 70 70 70 70 70 70 70 70 70 70 70
WEATHER COV..... SCH SCH SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 20 20 20 20 20 20
CHC OF THDR (%).0 0 0 0 0 0 10 10 10 10 10 10
TEMP............35 36 38 42 48 55 60 64 66 66 67 66
RH..............77 74 67 59 50 41 33 28 25 24 23 25
20 FT WIND DIR..E E E E SE SE S S S SW SW SW
20 FT WIND SPD..2 2 3 3 4 4 5 6 6 7 7 7
20 FT WIND GUST.4 4 4 5 6 7 10 11 12 13 13 12 UNTIL 1400, THEN
EXCELLENT
RIDGE WIND DIR..E E E E SE SE S S S SW SW SW
RIDGE WIND SPD..5 5 10 10 10 10 10 10 15 15 15 15
MIX HGT (KFT)...1.0 1.5 1.5 1.5 3.0 4.5 6.0 7.5 9.5 11 10 9.5
TRANSP WIND DIR.E E SE SE SE S S S SW SW SW SW
TRANSP WIND SPD.16 15 13 12 14 15 17 20 21 23 22 20
SDSPL KT-FT/100015 17 16 17 37 60 91 130 167 218 192 158
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. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS
AROUND 7 MPH.
MONDAY
MOSTLY CLOUDY. SHOWERS, SNOW SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 20S. HIGHS IN THE UPPER 40S. WEST
WINDS AROUND 7 MPH.
FORECASTER...LOWE
REQUESTED BY...ANDREW BUYERS
TYPE OF REQUEST...PRESCRIBED
.TAG 2609355.0/RIW
.DELDT 04/08/26
.FORMATTERVERSION 2.0.0
.EMAIL ANDREW_BUYERS@FWS.GOV
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