905
FNUS75 KRIW 041402
FWSRIW
SPOT FORECAST FOR NORTH FORK PILE RX...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE RIVERTON WY
702 AM MST TUE FEB 4 2025
FORECAST IS BASED ON IGNITION TIME OF 0800 MST ON FEBRUARY 04.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
WEST TO SOUTHWEST WINDS WILL REMAIN GUSTY TODAY, REACHING 15 TO 20
MPH WITH SOME GUSTS ABOVE 30 DURING THE AFTERNOON. DOWNVALLEY FLOW
WILL KEEP TEMPERATURES ELEVATED DURING THE DAY, WITH A HIGH
TEMPERATURE AROUND 40 DEGREES. SOME BRIEF LIGHT FLURRIES OR DRIZZLE
ARE POSSIBLE DURING THE AFTERNOON.
MUCH WINDIER CONDITIONS EXPECTED ON WEDNESDAY. WEST WINDS WILL BE 25
TO 30 MPH, WITH FREQUENT GUSTS ABOVE 50 MPH DURING THE AFTERNOON.
TEMPERATURES WILL BE LOWER DURING THE DAY, ONLY REACHING THE LOWER
30S. THERE IS A GOOD CHANCE FOR SNOW THE ENTIRE DAY, WITH
ACCUMULATIONS OF 2 TO 3 INCHES POSSIBLE BY SUNSET.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SLIGHT CHANCE OF
SNOW EARLY IN THE MORNING. SLIGHT CHANCE OF
RAIN EARLY IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF PCPN......20 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
MAX TEMPERATURE.....AROUND 40.
MIN HUMIDITY........57 PERCENT.
WIND (20 FT)........WEST WINDS 11 TO 14 MPH WITH GUSTS TO AROUND 28
MPH.
RIDGETOP WIND.......WEST AROUND 20 MPH.
MIXING HEIGHT.......3000 FT AGL UNTIL 1100, THEN 4500 FT AGL UNTIL
1700, THEN 2000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 18 TO 23 MPH UNTIL 1200, THEN 20 TO
28 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1200, THEN
GOOD EARLY IN THE MORNING INCREASING TO VERY
GOOD IN THE AFTERNOON UNTIL 1600, THEN FAIR
UNTIL 1700, THEN POOR.
TIME (MST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........65 60 65 65 65 65 65 55 60 40
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH
WEATHER TYPE....SN SN SN SN SN RS RS
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).20 20 20 20 20 20 20 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0
TEMP............30 31 33 36 37 39 39 38 37 36
RH..............78 75 69 61 61 57 57 59 61 64
20 FT WIND DIR..NW NW W W W W W W NW NW
20 FT WIND SPD..11 12 13 13 14 14 13 13 12 12
20 FT WIND GUST.21 22 24 26 28 28 28 26 26 24
RIDGE WIND DIR..NW NW W W W W W W NW NW
RIDGE WIND SPD..20 20 20 20 20 20 20 20 20 20
MIX HGT (KFT)...1.5 2.0 3.0 3.5 4.5 4.5 4.0 3.5 3.0 2.0
TRANSP WIND DIR.W SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.18 20 22 23 28 28 28 25 21 20
SDSPL KT-FT/100025 30 61 69 106 103 99 78 51 36
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). SLIGHT CHANCE OF
SNOW LATE IN THE EVENING. CHANCE OF SNOW
OVERNIGHT.
CWR.................3 PERCENT INCREASING TO 71 PERCENT EARLY IN THE
MORNING.
CHANCE OF PCPN......50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 29.
MAX HUMIDITY........81 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 10 TO 16 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGETOP WIND.......NORTHWEST 15 TO 20 MPH UNTIL 0400, THEN WEST
AROUND 25 MPH.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 17 TO 24 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........30 35 45 45 30 30 25 35 35 50 50 45
WEATHER COV..... SCH SCH CHC CHC CHC CHC CHC
WEATHER TYPE.... SN SN SN SN SN SN SN
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 70
CHC OF PCPN (%).10 10 10 10 10 20 20 30 30 30 40 50
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............33 32 31 30 31 31 30 31 32 33 33 32
RH..............69 72 75 78 75 75 78 78 72 72 75 81
20 FT WIND DIR..NW NW NW NW NW NW NW W W W W W
20 FT WIND SPD..12 11 10 10 10 10 12 12 13 14 15 16
20 FT WIND GUST.22 21 20 20 20 21 22 22 23 24 26 30
RIDGE WIND DIR..NW NW NW NW NW NW NW W W W W W
RIDGE WIND SPD..20 20 15 15 15 15 20 20 20 20 25 25
MIX HGT (KFT)...1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.20 18 17 17 17 17 20 20 21 22 23 24
SDSPL KT-FT/100029 25 23 23 23 24 27 27 28 30 31 33
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SNOW IN THE
MORNING, THEN SNOW LIKELY IN THE AFTERNOON.
CWR.................71 PERCENT DECREASING TO 2 PERCENT.
CHANCE OF PCPN......80 PERCENT.
CHANCE OF THUNDER...4 PERCENT.
MAX TEMPERATURE.....AROUND 34.
MIN HUMIDITY........53 PERCENT.
WIND (20 FT)........WEST WINDS 17 TO 24 MPH. GUSTS UP TO 48 MPH
INCREASING TO 58 MPH LATE IN THE MORNING.
RIDGETOP WIND.......WEST 25 TO 30 MPH UNTIL 1200, THEN AROUND 35
MPH.
MIXING HEIGHT.......2500 FT AGL UNTIL 0900, THEN 5000 FT AGL UNTIL
1300, THEN 6000 FT AGL UNTIL 1600, THEN 4000 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST 25 TO 33 MPH UNTIL 1100, THEN WEST 39
TO 47 MPH UNTIL 1400, THEN 46 TO 52 MPH UNTIL
1600, THEN 35 TO 40 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0800, THEN GOOD UNTIL 1000, THEN
VERY GOOD EARLY IN THE MORNING INCREASING TO
EXCELLENT IN THE AFTERNOON UNTIL 1200, THEN
EXCELLENT UNTIL 1600, THEN VERY GOOD UNTIL
1700, THEN GOOD.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........50 60 80 70 65 60 60 60 60 55 50 45
WEATHER COV.....LKY LKY DEF DEF DEF LKY LKY LKY CHC CHC CHC SCH
WEATHER TYPE....SN SN SN SN SN SN SN SN SN SN SN SN
TSTM COV........
CWR.............70 70 70 70 70 20 20 20 20 20 20 0
CHC OF PCPN (%).60 70 80 80 80 70 70 60 50 40 30 20
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............33 32 32 32 33 33 32 31 29 27 24 22
RH..............75 81 81 78 66 58 56 53 53 53 54 54
20 FT WIND DIR..W W SW SW SW W W W W W W W
20 FT WIND SPD..17 17 18 20 21 22 23 24 24 24 24 23
20 FT WIND GUST.32 34 35 36 38 42 43 45 46 45 44 42
RIDGE WIND DIR..W W SW SW SW W W W W W W W
RIDGE WIND SPD..25 25 30 30 30 30 35 35 35 35 35 35
MIX HGT (KFT)...1.5 2.0 2.5 3.5 4.0 5.0 5.0 5.5 6.0 5.0 4.0 3.0
TRANSP WIND DIR.SW SW SW W W W W W W W W W
TRANSP WIND SPD.25 25 28 30 33 39 44 47 52 46 40 35
SDSPL KT-FT/100037 39 66 88 120 168 198 225 259 194 138 91
FORECAST DAYS 3 THROUGH 5
THURSDAY
MOSTLY CLOUDY. SNOW LIKELY. LOWS AROUND 10. HIGHS IN THE MID 20S.
WEST WINDS AROUND 15 MPH.
FRIDAY
SNOW. LOWS AROUND 19. HIGHS AROUND 30. WEST WINDS AROUND 11 MPH.
SATURDAY
COLDER. MOSTLY CLOUDY. SNOW LIKELY. LOWS AROUND 8. HIGHS AROUND
19. WEST WINDS AROUND 11 MPH.
FORECASTER...LOWE
REQUESTED BY...RAY VARLAND
TYPE OF REQUEST...PRESCRIBED
.TAG 2501980.1/RIW
.DELDT 02/04/25
.FORMATTERVERSION 2.0.0
.EMAIL RAY.VARLAND@USDA.GOV
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