309
FNUS75 KRIW 311218
FWSRIW
SPOT FORECAST FOR OCEAN LAKE RX...BLM
NATIONAL WEATHER SERVICE RIVERTON WY
518 AM MST SAT JAN 31 2026
FORECAST IS BASED ON IGNITION TIME OF 0615 MST ON JANUARY 31.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
PARTLY CLOUDY SKIES THIS MORNING WILL GIVE WAY TO MOSTLY SUNNY BY
10AM. WESTERLY WINDS GUSTING UP TO 20 TO 25 MPH WILL DIMINISH TO
LESS THAN 10 TO 15 MPH AROUND 10AM AS WELL. AS A RESULT, GOOD
SMOKE DISPERSAL WITH THE STRONGER WINDS TO START THE MORNING
BECOMING FAIR AFTER 10AM, THEN POOR TOWARDS SUNSET WHEN WINDS
SUBSIDE TO 5 TO 10 MPH THROUGH THE OVERNIGHT HOURS. OTHERWISE, DRY
CONDITIONS WITH ABOVE AVERAGE TEMPERATURES FOR THIS TIME OF YEAR.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
REST OF TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 54.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 10 TO 13 MPH WITH GUSTS TO
AROUND 18 MPH UNTIL 1100, THEN LIGHT.
MIXING HEIGHT.......2000 FT AGL UNTIL 1200, THEN 4000 FT AGL UNTIL
1700, THEN 500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 12 TO 21 MPH UNTIL 1700, THEN WEST
AROUND 9 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN POOR EARLY IN THE MORNING
INCREASING TO FAIR IN THE AFTERNOON UNTIL 1600,
THEN POOR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........35 30 25 15 10 5 5 5 5 10 10 15
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............41 41 41 41 41 42 42 42 42 42 42 42
RH..............52 52 51 51 51 50 50 50 50 49 49 49
20 FT WIND DIR..W W NW W NW NW W NW N N NW NW
20 FT WIND SPD..12 13 11 10 10 6 3 3 5 6 5 4
20 FT WIND GUST.17 18 16 14 14 7 4 4 6 7 6 6
MIX HGT (KFT)...0.5 0.5 0.5 0.5 1.0 2.0 3.0 4.0 4.0 3.5 3.0 0.5
TRANSP WIND DIR.W W W W W W NW NW NW NW NW W
TRANSP WIND SPD.20 21 18 17 17 16 16 13 12 13 12 9
SDSPL KT-FT/100010 10 8 9 15 27 45 44 40 41 28 6
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 22.
MAX HUMIDITY........81 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 9 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........25 20 25 25 30 30 35 45 45 45 45 35
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............42 36 34 33 32 30 29 28 27 25 25 24
RH..............48 54 54 56 58 58 58 63 57 65 71 75
20 FT WIND DIR..NW NW W W W W W W W W W W
20 FT WIND SPD..4 4 4 4 4 4 4 3 3 3 2 3
20 FT WIND GUST.6 6 6 6 6 6 6 4 4 4 4
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.W SW W W W W W W W W W W
TRANSP WIND SPD.9 9 9 9 9 9 9 8 8 8 7 8
SDSPL KT-FT/10005 4 4 4 4 4 4 4 4 4 3 4
SUNDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........36 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 8 MPH UNTIL 1700, THEN SOUTH
AROUND 8 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........50 65 60 50 55 55 50 50 45 50 55 60
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............23 23 23 27 33 39 42 46 49 48 46 44
RH..............78 81 80 76 67 56 47 40 36 36 38 42
20 FT WIND DIR..W W W W S SE SE SE SE SE E E
20 FT WIND SPD..2 2 2 2 2 2 2 3 3 3 3 3
20 FT WIND GUST. 4 4 4 4 4
MIX HGT (KFT)...0.5 0.5 0.5 0.5 0.5 0.5 0.5 1.0 1.0 1.0 0.5 0.5
TRANSP WIND DIR.SW W W SW SW SW SW SW SW SW S S
TRANSP WIND SPD.7 7 7 7 7 7 7 8 8 8 8 8
SDSPL KT-FT/10003 3 3 2 3 4 5 6 8 6 4 3
FORECAST DAYS 3 THROUGH 5
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE LOWER 50S. LIGHT
WINDS.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 40S.
LIGHT WINDS.
WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 20. HIGHS IN THE UPPER 40S. LIGHT
WINDS.
FORECASTER...LOWE
REQUESTED BY...SAMUEL COFFIN
TYPE OF REQUEST...PRESCRIBED
.TAG 2601320.1/RIW
.DELDT 01/31/26
.FORMATTERVERSION 2.0.0
.EMAIL SCOFFIN@BLM.GOV
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