097
FNUS75 KRIW 092116
FWSRIW
SPOT FORECAST FOR BARE FIRE...WYUSFS
NATIONAL WEATHER SERVICE RIVERTON WY
316 PM MDT SUN AUG 9 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON AUGUST 10.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
MAINLY DRY AND HOT CONDITIONS CONTINUE MONDAY, WITH ISOLATED
STORMS POSSIBLE (10-15%) BETWEEN 1400-1700L. OTHERWISE, WINDS
WILL INCREASE ONCE AGAIN AFTER 0800L THROUGH 2100L GUSTING UP TO
20 TO 25 MPH AT TIMES FROM THE WEST. PASSING MID LEVEL CLOUDS
THROUGHOUT THE DAY, A BIT MORE COVERAGE IN THE AFTERNOON HOURS
WITH THE PASSING STORM ACTIVITY. MIXING AND SMOKE DISPERSAL WILL
REMAIN EXCELLENT DURING THE 0800-2100L HOURS WITH THE HIGHER
WINDS, POOR THERE AFTER. SIMILAR CONDITIONS TUESDAY WITH NO STORM
ACTIVITY EXPECTED.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
MONDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT). PATCHY SMOKE THROUGH THE
DAY. ISOLATED SHOWERS AND THUNDERSTORMS LATE IN
THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF PCPN......15 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........21 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 0800, THEN WEST 15 TO 20 MPH
WITH GUSTS TO AROUND 25 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
RIDGETOP WIND.......WEST 10 TO 20 MPH UNTIL 1600, THEN 20 TO 25
MPH.
MIXING HEIGHT.......500 FT AGL UNTIL 0900, THEN 2500 FT AGL UNTIL
1000, THEN 5500 FT AGL UNTIL 1100, THEN 8000 FT
AGL UNTIL 1200, THEN 11500 FT AGL UNTIL 1700,
THEN 8000 FT AGL.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 0800, THEN 20 TO 25
MPH.
SMOKE DISPERSAL.....POOR UNTIL 0800, THEN EXCELLENT.
TIME (MDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........25 15 5 5 10 10 15 25 30 40 30
WEATHER COV.....PTY PTY PTY PTY PTY PTY PTY ISO ISO ISO PTY
WEATHER TYPE....SMK SMK SMK SMK SMK SMK SMK RW RW RW SMK
TSTM COV........ ISO ISO ISO
CWR.............0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 10 10 10 20 20 10
CHC OF THDR (%).0 0 0 0 0 10 10 10 20 20 10
TEMP............55 58 64 70 73 74 76 77 77 76 76
RH..............45 45 40 34 31 28 24 22 21 22 22
20 FT WIND DIR..SW W W W W W W W W W W
20 FT WIND SPD..6 7 8 9 11 12 12 13 14 15 13
20 FT WIND GUST.10 11 13 14 17 18 18 19 21 22 19
RIDGE WIND DIR..SW W W W W W W W W W W
RIDGE WIND SPD..15 15 15 15 20 20 20 20 20 25 20
MIX HGT (KFT)...0.5 0.5 2.5 5.5 8.0 10 11 12 10 10 8.0
TRANSP WIND DIR.W W W W W W W W W W W
TRANSP WIND SPD.13 14 15 17 21 23 23 23 22 23 22
SDSPL KT-FT/10006 8 35 86 140 201 221 228 193 201 150
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT). PATCHY SMOKE IN
THE EVENING, THEN SMOKE OVERNIGHT.
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...5 PERCENT.
MIN TEMPERATURE.....AROUND 53.
MAX HUMIDITY........41 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH UNTIL 2100, THEN LIGHT.
RIDGETOP WIND.......WEST 15 TO 20 MPH UNTIL 2100, THEN AROUND 10
MPH.
MIXING HEIGHT.......8500 FT AGL UNTIL 1900. 500 FT AGL AFTER 2100.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 2100, THEN 10 TO 15
MPH.
SMOKE DISPERSAL.....EXCELLENT UNTIL 2100, THEN POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........25 15 35 50 65 65 40 45 50 60 45 50
WEATHER COV.....PTY PTY PTY PTY PTY PTY ARS ARS ARS DEF ARS ARS
WEATHER TYPE....SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).10 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).10 0 0 0 0 0 0 0 0 0 0 0
TEMP............75 73 71 66 63 61 60 59 58 57 56 55
RH..............25 27 31 34 38 40 40 41 41 41 40 40
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..11 10 7 6 6 6 6 6 6 6 6 6
20 FT WIND GUST.17 16 11 10 10 10 11 10 10 10 10 10
RIDGE WIND DIR..W W W W W W W W W W W W
RIDGE WIND SPD..20 15 15 15 15 15 10 10 10 10 10 10
MIX HGT (KFT)...8.5 4.5 3.0 2.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.22 17 14 13 13 13 12 12 12 13 12 13
SDSPL KT-FT/1000160 65 37 20 6 6 6 6 6 6 6 6
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). AREAS OF SMOKE
EARLY IN THE MORNING.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........17 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 1100, THEN WEST 10 TO 15 MPH
WITH GUSTS TO AROUND 20 MPH.
RIDGETOP WIND.......WEST 10 TO 15 MPH UNTIL 1100, THEN AROUND 20
MPH.
MIXING HEIGHT.......2000 FT AGL UNTIL 1100. 12000 FT AGL AFTER
1100.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1100, THEN 20 TO 25
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN EXCELLENT.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........60 35 35 40 40 35 35 40 40 45 50 55
WEATHER COV.....ARS
WEATHER TYPE....SMK
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............55 53 58 63 66 70 74 75 76 77 77 77
RH..............40 40 36 31 27 23 19 18 18 17 17 17
20 FT WIND DIR..W W W W W W W W W W W NW
20 FT WIND SPD..6 6 5 4 6 8 11 12 12 11 11 11
20 FT WIND GUST.11 10 10 10 12 16 19 21 21 21 21 20
RIDGE WIND DIR..W W W W W W W W W W W NW
RIDGE WIND SPD..10 10 10 10 10 15 20 20 20 20 20 20
MIX HGT (KFT)...0.5 0.5 2.0 3.0 5.5 8.0 11 11 12 12 12 11
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.12 12 13 13 16 18 22 22 21 21 20 20
SDSPL KT-FT/10006 7 21 35 79 131 202 212 210 220 199 191
FORECAST DAYS 3 THROUGH 5
WEDNESDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. LIGHT WINDS.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. LIGHT WINDS.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS AND CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 40S. HIGHS IN THE LOWER 60S. LIGHT WINDS.
FORECASTER...LOWE
REQUESTED BY...BEN HOYLE
TYPE OF REQUEST...WILDFIRE
.TAG 2619233.1/RIW
.DELDT 08/09/26
.FORMATTERVERSION 2.0.0
.EMAIL 2026.BARE.PLANS@FIRENET.GOV
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