166
FNUS75 KRIW 010358
FWSRIW
SPOT FORECAST FOR OCEAN LAKE RX...BUREAU OF LAND MANAGEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
858 PM MST SAT JAN 31 2026
FORECAST IS BASED ON IGNITION TIME OF 2300 MST ON JANUARY 31.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
WINDS ARE EXPECTED TO REMAIN LIGHTER TONIGHT WITH THE STRONGER
DOWN-BASIN FLOW LIMITED TO AREAS FARTHER UP THE BASIN TOWARD
CROWHEART. STILL, THERE DOES EXIST SOME UNCERTAINTY WITH THE WIND
FORECAST, WITH AROUND A 20% CHANCE OF STRONGER WINDS GUSTING TO
25 MPH TONIGHT. A SHIFT TO A NORTH TO NORTHEASTERLY DIRECTION IS
EXPECTED NEAR SUNRISE THOUGH WINDS SHOULD BECOME LIGHT AT THIS
TIME. HUMIDITY IS EXPECTED TO RECOVER HIGHER TONIGHT TO AROUND 70
PERCENT; IF THE WIND DOES COME UP RECOVERY WILL NOT BE AS GOOD,
LIKELY REACHING AROUND 50 PERCENT.
REST OF TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 26.
MAX HUMIDITY........71 PERCENT.
WIND (20 FT)........WEST TO NORTHWEST 7 TO 9 MPH WITH GUSTS TO
AROUND 13 MPH UNTIL 0500, THEN NORTHEAST
AROUND 5 MPH.
RIDGETOP WIND.......NORTHWEST AROUND 10 MPH UNTIL 0400, THEN
NORTHEAST.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 10 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........15 30 40 40 45 55 55
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0
TEMP............33 33 34 33 30 30 28
RH..............63 58 56 58 66 66 71
20 FT WIND DIR..W W NW NW NW NNW NE
20 FT WIND SPD..7 7 8 9 8 7 4
20 FT WIND GUST.11 11 12 13 11 10 6
RIDGE WIND DIR..W W N NW N NE NE
RIDGE WIND SPD..10 10 10 10 10 10 10
MIX HGT (KFT)...0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.W W W W W W W
TRANSP WIND SPD.10 10 10 10 10 9 9
SDSPL KT-FT/10005 5 5 5 5 4 4
SUNDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........31 PERCENT.
WIND (20 FT)........LIGHT WINDS.
RIDGETOP WIND.......NORTHEAST AROUND 10 MPH UNTIL 1200, THEN LIGHT
UNTIL 1400, THEN EAST AROUND 10 MPH.
MIXING HEIGHT.......INCREASING TO 1500 FT AGL BY 1300.
TRANSPORT WINDS.....WEST 7 TO 9 MPH UNTIL 1600, THEN SOUTH 8 TO 9
MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........55 65 70 70 65 65 70 60 40 40 40 40
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............28 28 27 30 34 39 45 50 52 52 52 46
RH..............71 68 71 72 64 52 41 34 31 31 32 40
20 FT WIND DIR..NE E NE NE NE NE NW SE NE E E E
20 FT WIND SPD..4 3 3 4 4 3 2 2 3 3 3 4
20 FT WIND GUST.6 4 4 6 6 4 4 4 4 6
RIDGE WIND DIR..NE E NE NE NE NE NW SE NE E E E
RIDGE WIND SPD..10 10 10 10 10 10 5 5 10 10 10 10
MIX HGT (KFT)...0.5 0.5 0.5 0.5 0.5 1.0 1.0 1.5 1.5 1.5 0.5 0.5
TRANSP WIND DIR.W W W W SW W W W SW SW S SE
TRANSP WIND SPD.9 8 8 9 9 8 7 7 9 9 8 9
SDSPL KT-FT/10004 4 4 4 4 5 7 9 12 11 5 4
SUNDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 26.
MAX HUMIDITY........68 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 0200, THEN WEST 8 TO 10 MPH
WITH GUSTS TO 15 MPH.
RIDGETOP WIND.......NORTHEAST AROUND 10 MPH UNTIL 2100, THEN WEST.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 2000, THEN WEST
10 TO 18 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........40 35 25 25 25 40 50 50 50 50 50 50
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............42 40 39 38 37 36 35 36 34 34 33 32
RH..............43 48 48 50 50 50 49 47 51 51 56 58
20 FT WIND DIR..NE NE N SW W W W W W W W W
20 FT WIND SPD..5 5 6 6 6 5 6 6 8 9 10 10
20 FT WIND GUST.6 6 7 7 7 6 7 10 11 12 14 15
RIDGE WIND DIR..NE NE N SW W W W W W W W W
RIDGE WIND SPD..10 10 10 10 10 10 10 15 15 15 15 15
MIX HGT (KFT)...0.5 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.SW SW W W W W W W W W NW NW
TRANSP WIND SPD.10 10 12 12 12 10 13 14 15 16 17 18
SDSPL KT-FT/10004 5 5 5 5 5 6 7 7 8 9 10
MONDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 55.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........WEST WINDS 8 TO 10 MPH UNTIL 0900, THEN LIGHT.
RIDGETOP WIND.......NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......INCREASING TO 5000 FT AGL BY 1400, THEN
DECREASING.
TRANSPORT WINDS.....NORTHWEST 13 TO 18 MPH.
SMOKE DISPERSAL.....POOR INCREASING TO GOOD BY 1400.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........45 40 35 30 25 20 15 10 10 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............32 32 27 34 41 47 50 52 53 53 54 46
RH..............58 56 68 54 42 35 31 28 26 26 25 35
20 FT WIND DIR..W W W W W NW NW NW NW NW NW NW
20 FT WIND SPD..10 9 8 6 6 5 5 6 6 6 5 5
20 FT WIND GUST.13 12 11 10 8 8 8 10 10 10 8 8
RIDGE WIND DIR..W W W W W NW NW NW NW NW NW NW
RIDGE WIND SPD..15 15 15 15 10 10 10 10 10 10 10 10
MIX HGT (KFT)...0.5 0.5 0.5 1.0 1.5 2.0 3.0 4.0 5.0 3.5 2.0 0.5
TRANSP WIND DIR.W NW NW NW NW NW NW NW NW NW NW NW
TRANSP WIND SPD.17 16 15 15 14 14 15 17 18 16 15 13
SDSPL KT-FT/10009 8 8 14 19 25 39 59 78 48 26 7
FORECAST DAYS 3 THROUGH 5
TUESDAY
PARTLY CLOUDY. LOWS AROUND 20. HIGHS IN THE UPPER 40S. LIGHT
WINDS.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 40S.
LIGHT WINDS.
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 50S.
LIGHT WINDS.
FORECASTER...MYERS
REQUESTED BY...JAMIE ELLINGTON
TYPE OF REQUEST...PRESCRIBED
.TAG 2601432.0/RIW
.DELDT 01/31/26
.FORMATTERVERSION 2.0.0
.EMAIL SCOFFIN@BLM.GOV,SMPHILLIPS@BLM.GOV,JELLINGTON@BLM.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page