067
FNUS75 KRIW 272221
FWSRIW
SPOT FORECAST FOR LA BARGE WINDROWS...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
421 PM MDT TUE OCT 27 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON OCTOBER 28.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
DRY CONDITIONS EXPECTED WEDNESDAY AND THROUGH THE END OF THE WEEK
WITH THE NEXT SYSTEM COMING IN SUNDAY. WINDS WEDNESDAY MORNING
WILL REMAIN LIGHT THROUGH 1200L BEFORE INCREASING TO GUSTS UP TO
20 MPH THROUGH 1900L OUT OF THE SOUTHWEST. THERE AFTER WILL BE
LIGHT INTO THE OVERNIGHT HOURS WEDNESDAY NIGHT INTO THURSDAY
MORNING. AS A RESULT, MIXING AND SMOKE DISPERSAL WILL REMAIN FAIR
IN THE AFTERNOON AND POOR AFTER SUNSET AND OVERNIGHT. MOSTLY
SUNNY SKIES WEDNESDAY WITH SEASONABLE TEMPERATURES IN THE
AFTERNOON AROUND THE MID 30S. RH VALUES WILL REMAIN ABOVE 50
PERCENT WITH GREAT RECOVERY OVERNIGHT.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
WEDNESDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 36.
MIN HUMIDITY........55 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 1200, THEN SOUTHWEST 10 TO 15
MPH WITH GUSTS TO AROUND 20 MPH.
RIDGETOP WIND.......WEST 10 TO 15 MPH UNTIL 1200, THEN SOUTHWEST 15
TO 20 MPH.
MIXING HEIGHT.......3000 FT AGL UNTIL 1500, THEN 3500 FT AGL.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200. POOR EARLY IN THE MORNING
INCREASING TO FAIR IN THE AFTERNOON AFTER 1200.
TIME (MDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........35 25 10 10 5 5 5 5
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0
TEMP............27 29 32 33 34 35 33 32
RH..............84 73 63 58 56 55 57 61
20 FT WIND DIR..W W SW SW SW SW SW SW
20 FT WIND SPD..4 6 9 11 12 12 11 10
20 FT WIND GUST.10 13 16 18 18 19 19 19
RIDGE WIND DIR..W W SW SW SW SW SW SW
RIDGE WIND SPD..10 15 15 20 20 20 20 15
MIX HGT (KFT)...1.5 2.0 2.5 3.0 3.0 3.5 3.0 2.5
TRANSP WIND DIR.W W W W W W W W
TRANSP WIND SPD.12 14 16 18 20 20 18 18
SDSPL KT-FT/100013 25 36 48 54 58 49 43
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 24.
MAX HUMIDITY........83 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 TO 10 MPH WITH GUSTS TO
AROUND 15 MPH UNTIL 1900, THEN LIGHT.
RIDGETOP WIND.......SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR AFTER 1900.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........5 20 20 15 25 35 35 50 55 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............31 29 26 26 26 25 26 24 25 25 25 25
RH..............66 77 76 76 78 78 77 81 77 77 76 78
20 FT WIND DIR..SW W SW SW SW SW SW SW SW SW S S
20 FT WIND SPD..8 5 6 7 7 7 6 6 5 4 4 4
20 FT WIND GUST.18 11 13 16 17 17 14 13 11 10 10 10
RIDGE WIND DIR..SW W SW SW SW SW SW SW SW SW S S
RIDGE WIND SPD..15 10 10 15 15 15 15 10 10 10 10 10
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 SW SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.15 10 12 14 14 14 13 12 10 10 9 9
SDSPL KT-FT/10009 5 5 6 7 6 6 5 5 5 4 4
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 41.
MIN HUMIDITY........57 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 1200, THEN SOUTHWEST AROUND
10 TO 15 MPH UNTIL 1600, THEN LIGHT.
RIDGETOP WIND.......SOUTH 10 TO 15 MPH.
MIXING HEIGHT.......2000 FT AGL UNTIL 1100, THEN 4000 FT AGL UNTIL
1700, THEN 1500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR UNTIL 1600, THEN
POOR.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........40 55 45 30 30 25 25 30 35 45 50 55
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............25 24 25 26 30 35 39 41 41 41 40 38
RH..............77 83 85 83 77 69 62 58 56 57 61 66
20 FT WIND DIR..S S S S S SW SW SW SW SW S S
20 FT WIND SPD..4 4 4 4 5 6 6 7 7 7 6 5
20 FT WIND GUST.10 10 10 10 10 12 14 14 16 14 13 10
RIDGE WIND DIR..S S S S S SW SW SW SW SW S S
RIDGE WIND SPD..10 10 10 10 10 10 15 15 15 15 15 10
MIX HGT (KFT)...0.5 0.5 0.5 1.0 2.0 2.5 3.5 4.0 4.0 4.0 3.0 1.5
TRANSP WIND DIR.SW S SW SW SW SW SW SW SW SW S S
TRANSP WIND SPD.9 9 10 10 12 13 14 14 14 14 13 10
SDSPL KT-FT/10004 4 7 8 18 30 43 45 48 50 32 14
FORECAST DAYS 3 THROUGH 5
FRIDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 40S.
LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS, SNOW SHOWERS LIKELY AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 40S.
LIGHT WINDS.
SUNDAY
SNOW SHOWERS AND CHANCE OF SHOWERS. LOWS IN THE LOWER 30S. HIGHS
IN THE MID 30S. SOUTH WINDS AROUND 8 MPH.
FORECASTER...LOWE
REQUESTED BY...MICHAEL MCEWEN
TYPE OF REQUEST...PRESCRIBED
.TAG 2624619.0/RIW
.DELDT 10/27/26
.FORMATTERVERSION 2.0.0
.EMAIL MICHAEL.MCEWEN@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page