767
FNUS75 KRIW 031255
FWSRIW
SPOT FORECAST FOR LABARGE UNIT 7...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
555 AM MST WED DEC 3 2025
FORECAST IS BASED ON IGNITION TIME OF 0800 MST ON DECEMBER 03.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
CLOUDS WILL BE SLOW TO SCATTER OUT TODAY, BECOMING PARTLY CLOUDY
LATE IN THE AFTERNOON. CONDITIONS WILL REMAIN DRY, WITH LIGHT (10
MPH OR LESS) NORTHWEST TO WEST WINDS THROUGH THE DAY. SKIES WILL
BE MOSTLY CLEAR THROUGH MOST OF THE NIGHT TONIGHT. WINDS WILL
BEGIN TO INCREASE DURING THE PREDAWN HOURS THURSDAY MORNING, WITH
GUSTS OF 20 TO 25 MPH STARTING AFTER 1100. CONDITIONS ARE EXPECTED
TO REMAIN DRY THROUGH MUCH OF THE DAY. SNOW CHANCES WILL INCREASE
AFTER SUNSET, LIKELY STARTING BETWEEN 2000 AND 2300.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
TODAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 27.
MIN HUMIDITY........58 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 1400, THEN WEST AROUND 7 MPH
UNTIL 1600, THEN LIGHT.
RIDGETOP WIND.......NORTHWEST AROUND 10 MPH UNTIL 0900, THEN LIGHT
UNTIL 1200, THEN NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......2000 FT AGL UNTIL 1100, THEN 4000 FT AGL UNTIL
1300, THEN 5000 FT AGL UNTIL 1600, THEN 2500 FT
AGL.
TRANSPORT WINDS.....NORTH 7 TO 8 MPH UNTIL 1000, THEN LIGHT UNTIL
1200, THEN NORTHWEST 8 TO 14 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN FAIR UNTIL 1600, THEN
POOR.
TIME (MST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........70 60 50 40 40 45 50 45 30 25
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 10 10 10 10 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0
TEMP............16 19 21 24 24 25 25 24 22 20
RH..............81 77 73 65 63 62 62 63 66 69
20 FT WIND DIR..NW NW NW W W W W W NW NW
20 FT WIND SPD..3 2 1 1 3 6 7 7 6 6
20 FT WIND GUST.4 2 2 4 8 10 10 10
RIDGE WIND DIR..NW NW NW W W W W W NW NW
RIDGE WIND SPD..10 5 5 5 10 10 15 15 15 10
MIX HGT (KFT)...1.0 1.0 2.0 3.0 4.0 5.0 4.5 3.5 2.5 1.0
TRANSP WIND DIR.N NE NE NE N NW NW W NW NW
TRANSP WIND SPD.8 7 6 6 8 12 14 14 13 12
SDSPL KT-FT/10007 7 10 15 28 48 51 41 26 12
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 11.
MAX HUMIDITY........83 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTS UP TO 20 MPH AFTER 3 AM.
RIDGETOP WIND.......NORTHWEST AROUND 10 MPH.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 9 TO 16 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........20 15 15 10 10 10 10 10 15 25 30 40
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 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............18 16 14 14 13 13 13 13 12 13 14 14
RH..............71 74 76 76 75 74 75 76 76 76 75 74
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..6 5 4 4 5 5 4 4 4 3 4 4
20 FT WIND GUST.8 6 6 6 6 6 6 6 7 10 13 16
RIDGE WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW
RIDGE WIND SPD..10 10 10 10 10 10 10 10 10 10 10 10
MIX HGT (KFT)...1.0 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.NW N NW NW NW NW W W W NW W NW
TRANSP WIND SPD.12 10 9 9 10 10 10 12 13 14 15 16
SDSPL KT-FT/10008 8 7 7 8 8 8 9 10 10 11 13
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF
SNOW SHOWERS LATE IN THE MORNING. CHANCE OF
SNOW SHOWERS LATE IN THE AFTERNOON.
CWR.................0 PERCENT INCREASING TO 10 PERCENT LATE IN THE
AFTERNOON.
CHANCE OF PCPN......50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 23.
MIN HUMIDITY........64 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 0800, THEN WEST 8 TO 13 MPH
WITH GUSTS TO AROUND 25 MPH.
RIDGETOP WIND.......NORTHWEST 10 TO 15 MPH UNTIL 1100, THEN WEST
AROUND 20 MPH.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....WEST 16 TO 24 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN FAIR AFTER 1100IN THE AFTERNOON
UNTIL 1700, THEN POOR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........50 40 40 20 30 35 40 45 50 55 60 70
WEATHER COV..... SCH SCH SCH SCH SCH SCH CHC
WEATHER TYPE.... SW SW SW SW SW SW SW
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 10
CHC OF PCPN (%).10 10 10 10 10 20 20 20 20 20 20 50
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............12 12 12 16 20 22 23 23 23 22 21 20
RH..............80 80 83 77 69 62 61 63 66 69 71 74
20 FT WIND DIR..NW NW W W W W W W W W W W
20 FT WIND SPD..6 6 8 9 10 11 12 13 13 13 12 11
20 FT WIND GUST.17 17 17 18 19 21 23 24 25 24 22 20
RIDGE WIND DIR..NW NW W W W W W W W W W W
RIDGE WIND SPD..10 15 15 15 15 20 20 20 20 20 20 20
MIX HGT (KFT)...1.0 1.0 1.0 1.5 1.5 2.0 2.0 2.0 2.5 2.0 2.0 1.5
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.16 16 17 18 21 23 23 24 24 23 22 21
SDSPL KT-FT/100013 13 17 21 30 40 42 46 48 41 34 28
FORECAST DAYS 3 THROUGH 5
FRIDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS AROUND 17. HIGHS
IN THE UPPER 20S. WEST WINDS AROUND 9 MPH.
SATURDAY
SNOW SHOWERS. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 20S. WEST
WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY. SNOW SHOWERS LIKELY. LOWS IN THE LOWER 20S. HIGHS
AROUND 30. WEST WINDS AROUND 13 MPH.
FORECASTER...LAVOIE
REQUESTED BY...MICHAEL MCEWEN
TYPE OF REQUEST...PRESCRIBED
.TAG 2526643.2/RIW
.DELDT 12/03/25
.FORMATTERVERSION 2.0.0
.EMAIL MICHAEL.MCEWEN@USDA.GOV
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