501
FNUS75 KRIW 281607
FWSRIW
SPOT FORECAST FOR DEVILS CANYON RX...BLM
NATIONAL WEATHER SERVICE RIVERTON WY
907 AM MST WED JAN 28 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON JANUARY 28.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
SOUTHWEST UPSLOPING WINDS WEDNESDAY MORNING AROUND 10 MPH, WITH
OCCASIONAL GUSTS TO AROUND 15 MPH. BY AROUND NOON, WINDS TURN TO BE
GENERALLY FROM THE NORTH TO NORTHEAST 10 MPH OR LESS. SPEEDS
INCREASE SOME AROUND 1700L, AND THEN FURTHER AROUND 2000L WITH A
QUICK-MOVING WEATHER SYSTEM PUSHING THROUGH. THE STRONGEST PERIOD OF
WINDS WOULD OCCUR BETWEEN 2000 AND 0100, WHERE GUSTS COULD BE 20 TO
30 MPH. WINDS SHOULD REMAIN FROM THE NORTH INTO THURSDAY.
SNOW CHANCES START INCREASING AFTER 1600L, AND CONTINUE UNTIL ABOUT
1000 THURSDAY MORNING. PEAK CHANCES (40 TO 60 PERCENT) OCCUR BETWEEN
1900 AND 0400, WITH LINGERING LIGHTER SNOW CHANCES INTO THURSDAY
MORNING. TOTAL SNOW ACCUMULATIONS COULD BE AROUND AN INCH, THOUGH
THERE WILL LIKELY BE A RELATIVELY STEEP GRADIENT OF UNDER HALF AN
INCH AT THE BASE OF THE MOUNTAINS TO 2 OR 3 INCHES EAST OF THE SITE
AT HIGHER ELEVATIONS.
ON THURSDAY, SNOW CHANCES COME TO AN END BY ABOUT 1000L, WITH WINDS
SHIFTING TO BE GENERALLY FROM THE WEST FOR THE REST OF THE DAY
AROUND 10 MPH, WITH GUSTS TO AROUND 15 MPH.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
SNOW SHOWERS LATE IN THE AFTERNOON AFTER 1600.
CWR.................10 PERCENT.
CHANCE OF PCPN......20 PERCENT, INCREASING AFTER 1700.
MAX TEMPERATURE.....AROUND 32.
MIN HUMIDITY........35-39 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 10 MPH, WITH OCCASIONAL
GUSTS TO 15 MPH THROUGH 1200. THEN, SOUTHWEST
10 MPH OR LESS, TURNING TO BE FROM THE NORTH
AFTER 1600.
RIDGETOP WIND.......SOUTHWEST 10 TO 15 MPH UNTIL 1600, THEN
NORTHWEST.
MIXING HEIGHT.......200 FEET AGL OR LESS.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1700, THEN NORTH
AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........65 65 70 75 75 80 80 85
WEATHER COV..... SCH
WEATHER TYPE.... SW
TSTM COV........
CWR.............0 0 0 0 0 0 0 10
CHC OF PCPN (%).0 0 0 0 0 10 10 20
TEMP............24 24 24 25 25 25 25 25
RH..............54 54 54 55 55 55 56 56
20 FT WIND DIR..S S S SW SW W W N
20 FT WIND SPD..6 6 6 5 5 3 3 5
20 FT WIND GUST.10 10 8 7 6 5 5 6
RIDGE WIND DIR..S S S SW SW W W N
RIDGE WIND SPD..15 10 10 10 10 10 10 10
MIX HGT (KFT)...0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.S S S SW SW SW SW N
TRANSP WIND SPD.13 12 12 10 10 8 8 10
SDSPL KT-FT/10000 0 0 1 1 0 0 0
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF
SNOW SHOWERS THROUGH THURSDAY MORNING.
CWR.................13 PERCENT DECREASING TO 0 PERCENT EARLY IN THE
MORNING.
CHANCE OF PCPN......50 PERCENT.
MIN TEMPERATURE.....AROUND 20.
MAX HUMIDITY........80-85 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 10 MPH UNTIL 0100, THEN
NORTH-NORTHWEST AROUND 10 MPH WITH GUSTS UP TO
AROUND 15 MPH.
RIDGETOP WIND.......NORTH 10 TO 15 MPH.
MIXING HEIGHT.......200 FT AGL OR LESS.
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........85 90 90 90 90 90 85 85 80 80 75 75
WEATHER COV.....SCH CHC CHC CHC CHC CHC CHC CHC CHC CHC SCH
WEATHER TYPE....SW SW SW SW SW SW SW SW SW SW SW
TSTM COV........
CWR.............10 10 10 10 10 10 10 10 10 10 10 0
CHC OF PCPN (%).20 40 50 40 40 30 30 30 30 30 20 10
TEMP............25 25 25 24 24 24 24 24 23 23 22 22
RH..............57 57 62 67 72 77 79 80 82 79 77 74
20 FT WIND DIR..N N N N N N N NW NW N N NW
20 FT WIND SPD..5 6 6 5 6 6 6 6 6 7 7 7
20 FT WIND GUST.6 10 8 7 10 7 7 8 10 12 11 11
RIDGE WIND DIR..N N N N N N N NW NW N N NW
RIDGE WIND SPD..10 15 10 10 10 10 10 10 15 15 15 15
MIX HGT (KFT)...0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.N N N NW N NW NW N N NW N N
TRANSP WIND SPD.10 13 12 10 12 12 12 12 13 14 14 14
SDSPL KT-FT/10000 0 0 0 0 0 0 0 0 0 0 0
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT THROUGH 1000.
MAX TEMPERATURE.....AROUND 27.
MIN HUMIDITY........55-59 PERCENT.
WIND (20 FT)........NORTH AROUND 10 MPH UNTIL 0800, THEN WEST WITH
GUSTS UP TO AROUND 15 MPH.
RIDGETOP WIND.......NORTHEAST AROUND 15 MPH UNTIL 0800, THEN WEST.
MIXING HEIGHT.......1000 FT AGL BETWEEN 1000 AND 1600.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........65 70 60 40 35 30 30 30 30 30 35 35
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 10 10 10
TEMP............22 22 21 23 25 26 27 27 27 26 26 25
RH..............74 73 73 67 64 62 60 59 59 61 63 65
20 FT WIND DIR..E N NW NW W W W W W W W SW
20 FT WIND SPD..7 7 7 7 7 7 7 7 7 6 6 6
20 FT WIND GUST.10 10 10 10 10 11 12 12 12 11 10 7
RIDGE WIND DIR..E N NW NW W W W W W W W SW
RIDGE WIND SPD..15 15 15 15 15 15 15 15 15 15 15 10
MIX HGT (KFT)...0.1 0.1 0.1 0.1 0.5 0.5 1.0 0.5 0.5 0.5 0.1 0.1
TRANSP WIND DIR.N N N N N NW NW NW NW NW NW N
TRANSP WIND SPD.14 14 14 14 14 14 14 14 14 13 13 12
SDSPL KT-FT/10000 0 0 0 4 9 10 9 7 4 2 0
FORECAST DAYS 3 THROUGH 5
FRIDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 30S.
SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE MID 30S. SOUTH
WINDS AROUND 10 MPH WITH GUSTS TO AROUND 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE MID 30S.
SOUTH TO SOUTHEAST WINDS AROUND 10 MPH.
FORECASTER...WITTMANN
REQUESTED BY...SHAWN GETTINGS
TYPE OF REQUEST...PRESCRIBED
.TAG 2601233.0/RIW
.DELDT 01/28/26
.FORMATTERVERSION 2.0.0
.EMAIL SGETTINGS@BLM.GOV
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