768
FNUS75 KRIW 241131
FWSRIW
SPOT FORECAST FOR LONG CREEK RX...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
431 AM MST TUE FEB 24 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 MST ON FEBRUARY 24.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
..HIGH WIND WARNING IN EFFECT UNTIL 11 AM MST THIS MORNING
DISCUSSION
INCREASING CHANCES FOR SNOW THIS MORNING. WEST-NORTHWEST WINDS
WITH GUSTS OF 30 TO 40 MPH WILL OCCUR THROUGH THE DAY AND TONIGHT.
WINDS WILL INCREASE TO 35 TO 45 MPH ON WEDNESDAY, WITH LIGHT SNOW
CONTINUING. SNOWFALL AMOUNTS OF 3 TO 6 INCHES EXPECTED TODAY.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
TODAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SNOW SHOWERS THROUGH
THE DAY. PATCHY BLOWING SNOW EARLY IN THE
AFTERNOON.
CWR.................99 PERCENT.
CHANCE OF PCPN......100 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 37.
MIN HUMIDITY........63 PERCENT.
WIND (20 FT)........WEST WINDS 9 TO 15 MPH WITH GUSTS TO AROUND 31
MPH.
RIDGETOP WIND.......WEST 15 TO 20 MPH UNTIL 1400, THEN 20 TO 25
MPH.
MIXING HEIGHT.......2500 FT AGL UNTIL 1100, THEN 3000 FT AGL.
TRANSPORT WINDS.....WEST 21 TO 30 MPH UNTIL 1100, THEN 25 TO 32
MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN FAIR UNTIL 1000, THEN
GOOD UNTIL 1700, THEN FAIR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........85 90 90 90 90 90 90 95 90 90 90 90
WEATHER COV.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
WEATHER TYPE....SW SW SW SW SW SW SW SW SW SW SW SW
TSTM COV........
CWR.............100 100 100 100 100 100 100 100 100 100 100 100
CHC OF PCPN (%).100 100 100 100 100 100 100 100 100 100 100 100
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............29 29 29 31 32 34 34 35 35 35 35 36
RH..............79 82 79 78 77 74 76 74 75 74 77 80
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..9 9 9 10 11 13 14 14 15 14 13 12
20 FT WIND GUST.26 26 26 26 28 29 30 30 31 31 30 29
RIDGE WIND DIR..W W W W W W W W W W W W
RIDGE WIND SPD..15 15 15 15 20 20 20 20 25 20 20 20
MIX HGT (KFT)...1.0 1.0 1.0 2.0 2.5 3.0 3.0 3.0 2.5 3.0 3.0 2.0
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.21 23 23 24 30 31 32 31 32 32 29 25
SDSPL KT-FT/100019 21 22 42 66 75 84 77 76 80 69 45
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SNOW SHOWERS IN
THE EVENING, THEN SNOW SHOWERS LIKELY
OVERNIGHT. SNOW SHOWERS AFTER 3 AM. PATCHY
BLOWING SNOW EARLY IN THE MORNING.
CWR.................97 PERCENT DECREASING TO 75 PERCENT LATE IN THE
EVENING.
CHANCE OF PCPN......100 PERCENT.
CHANCE OF THUNDER...6 PERCENT.
MIN TEMPERATURE.....AROUND 32.
MAX HUMIDITY........90 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 13 MPH WITH GUSTS TO AROUND 31
MPH.
RIDGETOP WIND.......WEST 15 TO 20 MPH.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....WEST 21 TO 30 MPH UNTIL 0400, THEN 33 TO 38
MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........90 90 90 90 90 90 90 85 80 80 75 75
WEATHER COV.....DEF DEF DEF DEF DEF DEF DEF LKY LKY LKY DEF DEF
WEATHER TYPE....SW SW SW SW SW SW SW SW SW SW SW SW
TSTM COV........
CWR.............100 100 100 100 100 70 70 70 70 70 70 80
CHC OF PCPN (%).100 100 100 100 100 90 90 70 70 70 90 90
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 10
TEMP............35 35 35 35 35 35 35 34 34 34 33 33
RH..............77 78 78 77 77 75 76 74 77 76 76 77
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..11 11 10 10 10 11 11 12 13 13 13 13
20 FT WIND GUST.28 26 26 26 25 26 26 30 30 31 30 30
RIDGE WIND DIR..W W W W W W W W W W W W
RIDGE WIND SPD..20 20 15 15 15 20 20 20 20 20 20 20
MIX HGT (KFT)...1.5 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.22 22 22 22 21 23 26 28 28 30 33 38
SDSPL KT-FT/100024 23 20 20 19 24 27 28 26 29 31 36
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). PATCHY BLOWING
SNOW. SNOW SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE MORNING. CHANCE OF
SNOW SHOWERS LATE IN THE AFTERNOON.
CWR.................75 PERCENT DECREASING TO 2 PERCENT.
CHANCE OF PCPN......90 PERCENT.
CHANCE OF THUNDER...13 PERCENT.
MAX TEMPERATURE.....AROUND 33.
MIN HUMIDITY........62 PERCENT.
WIND (20 FT)........WEST WINDS 14 TO 19 MPH WITH GUSTS TO AROUND 33
MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE MORNING.
RIDGETOP WIND.......WEST 20 TO 25 MPH UNTIL 0900, THEN 25 TO 30
MPH.
MIXING HEIGHT.......3000 FT AGL UNTIL 0900, THEN 6000 FT AGL UNTIL
1600, THEN 4000 FT AGL.
TRANSPORT WINDS.....WEST 33 TO 38 MPH UNTIL 0900, THEN 43 TO 49 MPH
UNTIL 1600, THEN 32 TO 38 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 0800, THEN VERY GOOD UNTIL 0900,
THEN EXCELLENT UNTIL 1500, THEN VERY GOOD.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........75 75 70 70 70 65 65 60 55 50 40 35
WEATHER COV.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF CHC
WEATHER TYPE....SW SW SW SW SW SW SW SW SW SW SW SW
TSTM COV........ SCH SCH SCH
CWR.............80 80 80 80 80 30 30 30 30 30 30 0
CHC OF PCPN (%).90 90 90 90 90 90 90 90 90 90 90 30
CHC OF THDR (%).10 10 10 10 10 10 10 10 10 10 10 0
TEMP............33 32 32 32 32 32 32 32 31 30 28 27
RH..............76 75 73 71 70 68 66 64 63 62 62 62
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..14 16 17 18 19 19 19 19 18 17 16 15
20 FT WIND GUST.31 32 33 33 33 33 33 33 32 31 30 30
RIDGE WIND DIR..W W W W W W W W W W W W
RIDGE WIND SPD..20 25 25 30 30 30 30 30 30 25 25 25
MIX HGT (KFT)...1.5 1.5 3.0 5.0 5.5 6.0 5.5 5.0 5.0 4.5 4.0 3.5
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.36 33 38 43 45 47 48 48 49 44 38 32
SDSPL KT-FT/100045 43 105 183 210 239 231 217 209 166 128 95
FORECAST DAYS 3 THROUGH 5
THURSDAY
MOSTLY CLEAR. CHANCE OF SNOW SHOWERS. LOWS AROUND 17. HIGHS IN
THE LOWER 30S. WEST WINDS 25-30 MPH MPH.
FRIDAY
MOSTLY CLEAR. LOWS AROUND 18. HIGHS IN THE MID 30S. WEST WINDS
25-35 MPH MPH.
SATURDAY
MOSTLY CLEAR. CHANCE OF SNOW SHOWERS. LOWS IN THE LOWER 20S.
HIGHS IN THE UPPER 30S. WEST WINDS 20-30 MPH.
FORECASTER...LAVOIE
REQUESTED BY...DOMINIC MANLEY
TYPE OF REQUEST...PRESCRIBED
.TAG 2603669.0/RIW
.DELDT 02/24/26
.FORMATTERVERSION 2.0.0
.EMAIL GRANT.MARTIN@USDA.GOV,DOMINIC.MANLEY@USDA.GOV,TRENTON.JONES@USDA.GOV
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