773
FNUS76 KPQR 170403
FWSPQR
SPOT FORECAST FOR AHSNEY...CONFEDERATED TRIBES OF GRAND RONDE
NATIONAL WEATHER SERVICE PORTLAND OR
903 PM PDT TUE SEP 16 2025
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON SEPTEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WARM AND DRY AS A WEAKENING FRONT STALLS ALONG THE
COAST. WINDS WILL BE WEST TO NORTHWESTERLY. DUE TO THE ALIGNMENT
WITH THE WILLAMETTE VALLEY, WINDS WILL SHIFT TO A NORTH-NORTHWEST
DIRECTION IN THE LATE AFTERNOON. AT THAT POINT, THERE IS A 10-20%
CHANCE OF NORTHERLY 20-FT WIND GUSTS UP TO 16 MPH DURING PEAK
HEATING. OVERNIGHT, A WEAK INVERSION WILL FORM BEFORE LIFTING ONCE
AGAIN IN THE AFTERNOON ON THURSDAY. IT WILL BE COOLER WITH A
SLIGHTLY HIGHER HUMIDITY ON THURSDAY.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........48 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING NORTHWEST 6 TO 8 MPH LATE
IN THE AFTERNOON. GUSTS UP TO 16 MPH IN THE
LATE AFTERNOON.
MIXING HEIGHT.......3700 FT AGL.
TRANSPORT WINDS.....NORTHWEST 6 TO 7 MPH SHIFTING TO THE NORTH 5 TO
10 MPH LATE IN THE MORNING.
TIME (PDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........10 10 10 11 11 11 7 7 7 10
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0
TEMP............54 57 64 67 72 74 76 79 78 77
RH..............89 80 70 61 55 50 48 48 48 51
20 FT WIND DIR..W W W N N N N N N NW
20 FT WIND SPD..3 3 3 4 4 4 6 6 6 8
20 FT WIND GUST.5 5 5 7 7 7 10 10 10 14
MIX HGT (KFT)...0.3 0.9 1.4 1.9 2.6 3.1 3.5 3.7 3.6 3.2
TRANSP WIND DIR.W NW NW N N N N N NW NW
TRANSP WIND SPD.7 7 6 5 5 6 7 8 9 10
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........92 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH WITH GUSTS UP
TO 14 MPH BECOMING LIGHT LESS THAN 5 MPH
AFTER 0300.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 6 TO 13 MPH.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........10 10 14 14 14 15 15 15 15 15 15 34
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............74 69 66 62 61 60 58 57 55 54 53 52
RH..............59 66 74 80 83 84 86 87 88 89 91 92
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..8 8 6 6 6 5 5 5 5 5 5 4
20 FT WIND GUST.14 14 11 11 11 10 10 10 10 10 10 6
MIX HGT (KFT)...2.4 1.4 0.6 0.3 0.3 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW NW
TRANSP WIND SPD.12 13 13 12 10 9 8 8 7 6 6 6
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........50 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTH 5 TO 8 MPH EARLY IN
THE MORNING. GUSTS UP TO 13 MPH IN THE AFTERNOON.
MIXING HEIGHT.......4600 FT AGL.
TRANSPORT WINDS.....NORTH 6 TO 12 MPH.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........34 34 50 50 50 40 40 40 22 22 22 15
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............53 53 54 58 61 65 68 72 75 76 76 77
RH..............92 91 91 84 77 70 64 59 53 52 51 50
20 FT WIND DIR..NW NW NW NW NW N N N N N N N
20 FT WIND SPD..4 4 5 5 5 6 6 6 7 7 7 8
20 FT WIND GUST.6 6 7 7 7 10 10 10 14 14 14 14
MIX HGT (KFT)...0.3 0.3 0.5 1.2 2.0 2.9 3.5 4.0 4.3 4.6 4.6 4.3
TRANSP WIND DIR.NW N N N N N N N N N N N
TRANSP WIND SPD.6 6 7 8 10 12 12 10 10 10 12 12
FORECASTER...MUESSLE
REQUESTED BY...ANDREW PUERINI
TYPE OF REQUEST...PRESCRIBED
.TAG 2522068.0/PQR
.DELDT 09/17/25
.FORMATTERVERSION 2.0.0
.EMAIL ANDREW.PUERINI@GRANDRONDE.ORG
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