501
FNUS75 KRIW 261116
FWSRIW
SPOT FORECAST FOR OCEAN LAKE RX PONDS 1 AND 2...BLM WY-WRBBD
NATIONAL WEATHER SERVICE RIVERTON WY
516 AM MDT WED MAR 26 2025
FORECAST IS BASED ON IGNITION TIME OF 0600 MDT ON MARCH 26.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
NORTHWEST FAVORED WINDS BECOME GENERALLY FROM THE WEST AFTER 0900L.
THIS DIRECTION SHOULD THEN CONTINUE FOR THE REST OF THE DAY, THOUGH
MAY RANGE FROM A WEST/SOUTHWEST TO WEST/NORTHWEST AT TIMES. OVERALL,
WINDS ARE ON THE LIGHT SIDE TODAY, LESS THAN 10 MPH AT THE SURFACE.
TEMPERATURES WARM AGAIN TODAY, WITH A HIGH AROUND 70 DEGREES.
MINIMUM RHS WILL BE 20 TO 25 PERCENT. A LACK OF WIND WILL MEAN LOWER
MIXING HEIGHTS AND POORER SMOKE DISPERSAL TODAY COMPARED TO
YESTERDAY.
WINDS REMAIN LIGHT OVERNIGHT. SOUTHWEST WINDS INCREASE THURSDAY
STARTING AROUND NOON. PEAK AFTERNOON GUSTS ARE FORECASTED TO BE 30
TO 35 MPH, WHICH OCCUR THROUGH THE EVENING. HIGHS THURSDAY WILL BE
IN THE 70S.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT) IN THE MORNING,
BECOMING SUNNY (10-15 PERCENT) IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........LIGHT WINDS UNDER 10 MPH. NORTHWEST WIND IN THE
MORNING BECOMES WEST AFTER 0900.
RIDGETOP WIND.......NORTHWEST AROUND 10 MPH UNTIL 0900, THEN LIGHT
UNTIL 1400, THEN SOUTHWEST AROUND 10 MPH.
MIXING HEIGHT.......2000 FT AGL AROUND 1300. 7000 FT AGL AROUND 1500.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD UNTIL 1800.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15 25 40 45 40 30 5 5 5 10 10 10
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............36 36 36 42 48 53 58 62 66 69 69 69
RH..............75 75 77 70 60 50 41 33 27 25 24 23
20 FT WIND DIR..NW NW NW W W NW W SW SW SW SW W
20 FT WIND SPD..3 3 3 2 2 2 2 2 4 4 5 6
20 FT WIND GUST.4 4 4 6 6 6 7
RIDGE WIND DIR..NW N NW W W NW W SW SW SW SW W
RIDGE WIND SPD..10 10 10 5 5 5 5 5 10 10 10 10
MIX HGT (KFT)...0.5 0.5 0.5 0.5 1.0 1.5 2.0 2.5 4.0 5.5 6.5 7.0
TRANSP WIND DIR.W W NW W W W SW W W W W W
TRANSP WIND SPD.9 9 8 7 7 7 7 7 9 9 10 12
SDSPL KT-FT/10004 4 4 3 5 8 12 16 33 44 60 72
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 38.
MAX HUMIDITY........75 PERCENT.
WIND (20 FT)........WEST TO NORTHWEST WINDS AROUND 7 MPH.
RIDGETOP WIND.......WEST 10 TO 15 MPH.
MIXING HEIGHT.......5500 FT AGL UNTIL 1900, THEN 500 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1900, THEN POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........15 15 15 10 10 5 10 10 15 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 (%).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 58 55 52 50 48 47 45 43 42 42
RH..............24 31 36 43 47 54 58 60 62 65 68 69
20 FT WIND DIR..W NW W NW W W W W SW NW NW NW
20 FT WIND SPD..7 7 6 6 6 6 6 6 5 5 4 4
20 FT WIND GUST.10 10 10 10 7 7 7 7 6 6 6 6
RIDGE WIND DIR..W NW W NW W W W W SW NW NW NW
RIDGE WIND SPD..15 15 15 15 10 10 10 10 10 10 10 10
MIX HGT (KFT)...5.5 0.5 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 W W W W W W W W W
TRANSP WIND SPD.14 14 13 13 12 12 12 12 10 10 9 9
SDSPL KT-FT/100065 8 6 6 6 6 6 6 5 5 4 4
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). INCREASING CLOUDS
IN THE AFTERNOON AND EVENING.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 1100, THEN SOUTHWEST 10 TO 15
MPH WITH GUSTS TO AROUND 20 MPH, INCREASING TO
AROUND 20 MPH WITH GUSTS AROUND 30 MPH AFTER 1400.
RIDGETOP WIND.......NORTHWEST AROUND 10 MPH UNTIL 0900, BECOMING SOUTHWEST
20 TO 25 MPH BY AROUND 1200.
MIXING HEIGHT.......1500 FT AGL AROUND 1100, INCREASING TO AROUND 9500
FT AGL AROUND 1500.
TRANSPORT WINDS.....WEST 8 MPH UNTIL 1000, THEN SOUTH 8 TO 14
MPH UNTIL 1400, THEN SOUTHWEST 20 TO 26 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1300, BECOMING EXCELLENT UNTIL 1700.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15 15 20 20 20 20 20 25 30 35 50 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............39 38 41 45 52 59 62 67 72 74 73 71
RH..............72 74 71 66 56 48 39 35 28 23 24 25
20 FT WIND DIR..NW NW N W NE SE SW SW SW SW W W
20 FT WIND SPD..4 4 4 2 3 3 4 6 11 17 17 16
20 FT WIND GUST.6 5 5 4 5 6 10 17 25 25 24
RIDGE WIND DIR..NW NW N W NE SE SW SW SW SW W W
RIDGE WIND SPD..10 10 10 5 10 10 10 15 20 25 25 25
MIX HGT (KFT)...0.5 0.5 0.5 0.5 1.0 1.5 1.5 4.5 7.0 9.5 8.0 6.5
TRANSP WIND DIR.W NW NW W S S SW SW SW SW SW SW
TRANSP WIND SPD.9 9 9 7 8 8 9 14 20 26 25 24
SDSPL KT-FT/10004 4 4 3 6 9 13 52 120 224 181 142
FORECAST DAYS 3 THROUGH 5
FRIDAY
COOLER. MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 60S. WEST WINDS AROUND 10 MPH, WITH GUSTS
AROUND 15 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE MID 30S. HIGHS IN
THE LOWER 50S. NORTHWEST WINDS BECOMING NORTHEAST AROUND 9 MPH.
SUNDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE UPPER 20S.
HIGHS IN THE MID 40S. NORTHEAST WINDS AROUND 8 MPH.
FORECASTER...WITTMANN
REQUESTED BY...SAM COFFIN
TYPE OF REQUEST...PRESCRIBED
.TAG 2507645.1/RIW
.DELDT 03/26/25
.FORMATTERVERSION 2.0.0
.EMAIL SCOFFIN@BLM.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page