288
FNUS75 KRIW 012100
FWSRIW
SPOT FORECAST FOR DOLLAR...CODY INTERAGENCY DISPATCH CENTER
NATIONAL WEATHER SERVICE RIVERTON WY
300 PM MDT THU OCT 1 2026
FORECAST IS BASED ON FORECAST START TIME OF 1500 MDT ON OCTOBER 01.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
MOSTLY SUNNY SKIES AND WARMER THAN AVERAGE TEMPERATURES IN THE MID
50S FOR THE REST OF THIS AFTERNOON AND EVENING. MINIMUM RELATIVE
HUMIDITY VALUES AROUND 35 PERCENT WITH GOOD RECOVERY OVERNIGHT.
WEST WINDS 10 TO 15 MPH BECOMING LESS THAN 10 MPH TOWARDS SUNSET
AFTER 1900 AND THROUGH THE REST OF THE OVERNIGHT HOURS. AS SUCH,
MIXING AND SMOKE DISPERSAL WILL GO FROM FAIR TO POOR AFTER THAT
POINT AND REMAIN THROUGH FRIDAY MORNING. INCREASING WINDS FRIDAY
AFTERNOON AFTER 1400 WITH WEST GUSTS UP TO 25 MPH EXPECTED. SMOKE
DISPERSAL AND MIXING WILL BE VERY GOOD AT THAT POINT. TEMPERATURES
ABOUT 2 TO 5 DEGREES WARMER FRIDAY AFTERNOON, DROPPING MINIMUM
RELATIVE HUMIDITY VALUES DOWN TO 25 TO 30 PERCENT. GOOD RECOVERY
ONCE AGAIN OVERNIGHT FRIDAY UNDER MAINLY CLEAR SKIES AND
DIMINISHING WINDS ONCE AGAIN AFTER SUNSET.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
REST OF TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 55.
MIN HUMIDITY........36 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH.
RIDGETOP WIND.......WEST AROUND 20 MPH.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WINDS.....WEST 20 MPH.
SMOKE DISPERSAL.....VERY GOOD.
TIME (MDT) 3PM 4PM 5PM
SKY (%).........20 15 15
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0
CHC OF PCPN (%).0 0 0
CHC OF THDR (%).0 0 0
TEMP............55 54 52
RH..............36 37 38
20 FT WIND DIR..W W W
20 FT WIND SPD..13 12 12
20 FT WIND GUST.18 18 17
RIDGE WIND DIR..W W W
RIDGE WIND SPD..20 20 20
MIX HGT (KFT)...5.5 5.5 5.0
TRANSP WIND DIR.W W W
TRANSP WIND SPD.21 20 20
SDSPL KT-FT/1000100 94 83
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 35.
MAX HUMIDITY........71 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 10 MPH UNTIL 1900, THEN LIGHT.
RIDGETOP WIND.......WEST 10 TO 15 MPH.
MIXING HEIGHT.......3500 FT AGL UNTIL 1900, THEN 500 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1900, THEN POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........25 15 10 20 35 30 40 30 20 20 30 25
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............51 47 44 41 40 39 39 38 38 36 36 36
RH..............39 48 57 66 68 71 71 70 69 66 64 62
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..9 6 6 6 6 6 6 6 6 6 6 6
20 FT WIND GUST.14 10 10 10 11 10 11 11 11 11 11 11
RIDGE WIND DIR..W W W W W W W W W W W W
RIDGE WIND SPD..15 10 10 15 15 15 15 15 15 15 15 15
MIX HGT (KFT)...3.5 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.W W W SW SW SW SW SW W W W W
TRANSP WIND SPD.16 12 12 13 13 13 13 13 13 13 13 13
SDSPL KT-FT/100050 9 6 7 6 6 7 6 6 6 6 7
FRIDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 56.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH UNTIL 1400, THEN 15
TO 20 MPH WITH GUSTS TO AROUND 25 MPH.
RIDGETOP WIND.......WEST 15 TO 20 MPH UNTIL 1400, THEN AROUND 25
MPH.
MIXING HEIGHT.......2000 FT AGL UNTIL 1100. 5000 FT AGL AFTER 1400.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1400, THEN 25 TO 30
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN VERY GOOD.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........10 10 10 5 0 5 15 30 25 30 25 25
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............35 35 36 38 43 49 53 54 55 56 55 54
RH..............61 60 56 52 45 37 32 32 30 29 29 30
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..7 8 9 10 12 14 15 16 17 17 17 16
20 FT WIND GUST.12 12 13 14 19 21 23 24 25 25 25 23
RIDGE WIND DIR..W W W W W W W W W W W W
RIDGE WIND SPD..15 15 15 15 20 20 25 25 25 25 25 25
MIX HGT (KFT)...0.5 0.5 0.5 1.0 2.0 2.5 3.5 4.0 4.5 5.0 5.0 5.0
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.14 15 16 17 21 23 26 28 29 29 26 24
SDSPL KT-FT/10007 8 8 15 34 51 75 97 113 128 116 100
FORECAST DAYS 3 THROUGH 5
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID 50S. WEST
WINDS AROUND 9 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S. WEST
WINDS AROUND 7 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS AROUND 60. WEST WINDS
AROUND 9 MPH.
FORECASTER...LOWE
REQUESTED BY...EMMA
TYPE OF REQUEST...WILDFIRE
.TAG 2622933.0/RIW
.DELDT 10/01/26
.FORMATTERVERSION 2.0.0
.EMAIL WYCDC@FIRENET.GOV
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