974
FNUS75 KRIW 022008
FWSRIW
SPOT FORECAST FOR WAPITI...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE RIVERTON WY
208 PM MDT THU JUL 2 2026
FORECAST IS BASED ON FORECAST START TIME OF 1600 MDT ON JULY 02.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AND
EVENING. CHANCES RANGE FROM 20 TO 40%, HOWEVER LITTLE MOISTURE IS
EXPECTED IN ASSOCIATION WITH THESE STORMS. CHANCES FOR WETTING RAINS
REMAINS LOW WITH PERCENTAGES AROUND 0-5% ACROSS THE AREA. THE MAIN
CONCERNS WITH ANY SHOWERS OR STORMS TODAY WILL BE STRONG GUSTY
OUTFLOW WINDS IN EXCESS OF 40 MPH AND FREQUENT LIGHTNING STRIKES.
OTHERWISE, WINDS ARE EXPECTED TO PREVAIL FROM THE WEST/SOUTHWEST AT
15 TO 20 MPH WITH PERIODIC GUSTS AROUND 25 MPH. SIMILAR WINDS ARE
FORECAST FOR FRIDAY AFTERNOON AND EVENING. WINDS DECREASE AFTER
SUNSET REMAINING FROM THE WEST AT AROUND 5 TO 10 MPH OVERNIGHT.
TEMPERATURES WILL BE WARM WITH HIGHS IN THE UPPER 70S TO LOW 80S
TODAY AND FRIDAY. MINIMUM RELATIVE HUMIDITIES ARE FORECAST TO BE ON
THE DRY SIDE WITH PERCENTAGES RANGING FROM 20 TO 25%. SHOWERS AND
THUNDERSTORMS WILL BE POSSIBLE ONCE AGAIN IN THE AFTERNOON AND
EVENING FRIDAY BUT COVERAGE AND CHANCES ARE FORECAST TO BE LESS.
WARMER AND DRIER CONDITIONS ARE EXPECTED TO PERSIST INTO THE WEEKEND
WITH LITTLE TO NO CHANCES FOR PRECIPITATION IN THE FORESEEABLE
FUTURE.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). SCATTERED SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON AND EVENING.
CWR.................3 PERCENT.
CHANCE OF PCPN......30 PERCENT.
CHANCE OF THUNDER...29 PERCENT.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 13 MPH WITH GUSTS TO AROUND
19 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS.
RIDGETOP WIND.......WEST AROUND 20 MPH.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 21 MPH.
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT IN THE AFTERNOON.
TIME (MDT) 4PM 5PM
SKY (%).........65 70
WEATHER COV.....SCT ISO
WEATHER TYPE....RW RW
TSTM COV........SCT ISO
CWR.............0 0
CHC OF PCPN (%).30 20
CHC OF THDR (%).30 20
TEMP............76 75
RH..............27 28
20 FT WIND DIR..W W
20 FT WIND SPD..13 13
20 FT WIND GUST.19 19
RIDGE WIND DIR..W W
RIDGE WIND SPD..20 20
MIX HGT (KFT)...8.5 8.0
TRANSP WIND DIR.W W
TRANSP WIND SPD.21 21
SDSPL KT-FT/1000157 140
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT). ISOLATED SHOWERS
AND THUNDERSTORMS EARLY IN THE LATE EVENING.
CWR.................1 PERCENT.
CHANCE OF PCPN......20 PERCENT.
CHANCE OF THUNDER...16 PERCENT.
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........59 PERCENT.
WIND (20 FT)........WEST WINDS 8 TO 13 MPH WITH GUSTS TO AROUND 18
MPH UNTIL 2100, THEN LIGHT. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE
EVENING.
RIDGETOP WIND.......WEST 15 TO 20 MPH UNTIL 2200, THEN 10 TO 15
MPH.
MIXING HEIGHT.......5500 FT AGL UNTIL 2000. 500 FT AGL AFTER 2100.
TRANSPORT WINDS.....WEST 12 TO 21 MPH.
SMOKE DISPERSAL.....VERY GOOD EARLY IN THE EVENING DECREASING TO
GOOD LATE IN THE NIGHT UNTIL 2000. POOR AFTER
2100.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........75 70 70 65 65 60 60 50 45 40 30 25
WEATHER COV.....ISO ISO ISO
WEATHER TYPE....RW RW RW
TSTM COV........ISO ISO ISO
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).20 10 10 10 10 0 0 0 0 0 0 0
CHC OF THDR (%).20 10 10 0 0 0 0 0 0 0 0 0
TEMP............74 71 71 67 64 61 59 57 56 51 50 49
RH..............30 33 35 38 43 47 50 54 55 55 57 58
20 FT WIND DIR..SW W W W W W W W W W W W
20 FT WIND SPD..13 10 8 6 6 6 6 6 6 6 6 6
20 FT WIND GUST.18 16 12 10 10 10 10 10 8 8 8 8
RIDGE WIND DIR..SW W W W W W W W W W W W
RIDGE WIND SPD..20 15 15 15 10 10 15 10 10 10 10 10
MIX HGT (KFT)...7.0 5.5 2.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.SW SW W W W W W W W W W W
TRANSP WIND SPD.21 17 15 13 12 12 13 12 12 12 12 12
SDSPL KT-FT/1000125 86 34 8 6 6 6 6 6 6 6 6
FRIDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...11 PERCENT.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........20 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 1000, THEN WEST 8 TO 17 MPH
WITH GUSTS TO AROUND 25 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
RIDGETOP WIND.......WEST 10 TO 15 MPH UNTIL 1200, THEN 20 TO 25
MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 0900. 10500 FT AGL AFTER
1200.
TRANSPORT WINDS.....WEST 12 TO 21 MPH UNTIL 1300, THEN 22 TO 25
MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1500.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15 10 10 15 20 25 30 30 30 30 30 30
WEATHER COV..... ISO ISO ISO
WEATHER TYPE.... RW RW RW
TSTM COV........ ISO ISO ISO
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 10 10 10 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 10 10 10 10 10 10
TEMP............48 50 55 61 66 72 75 77 77 77 79 79
RH..............59 56 49 42 35 28 24 23 22 22 21 20
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..6 6 6 6 8 10 12 14 15 16 17 17
20 FT WIND GUST.10 10 10 12 14 17 19 21 22 24 24 25
RIDGE WIND DIR..W W W W W W W W W W W W
RIDGE WIND SPD..10 10 10 15 15 15 20 20 25 25 25 25
MIX HGT (KFT)...0.5 0.5 1.0 3.5 6.5 8.0 9.0 10 11 11 11 9.5
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.12 12 12 14 18 20 21 22 23 24 25 25
SDSPL KT-FT/10006 6 12 39 105 140 165 191 211 226 230 210
FORECAST DAYS 3 THROUGH 5
INDEPENDENCE DAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID 80S. WEST
WINDS AROUND 9 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 80S. WEST
WINDS AROUND 7 MPH.
MONDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE
MID 50S. HIGHS IN THE MID 80S. LIGHT WINDS.
FORECASTER...DZIEWALTOWSKI
REQUESTED BY...SHELBY BELL
TYPE OF REQUEST...WILDFIRE
.TAG 2616597.1/RIW
.DELDT 07/02/26
.FORMATTERVERSION 2.0.0
.EMAIL JACOB.BORDERS@USDA.GOV,WYCDC@FIRENET.GOV,TRAVIS.L.CLARK@USDA.GOV
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