024
FNUS76 KPQR 161352
FWSPQR
SPOT FORECAST FOR NESTUCCA RX...USFS
NATIONAL WEATHER SERVICE PORTLAND OR
652 AM PDT WED SEP 16 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON SEPTEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WEAK ONSHORE FLOW RETURNS THU, BRINGING COOLER
TEMPERATURES AND IMPROVING AFTERNOON RH THROUGH THE WEEK INTO THE
WEEKEND. EXPECT A SHALLOW INVERSION THROUGH AT LEAST THURSDAY, NOT
EXPECTED TO MIX OUT.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........71 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 6 TO 8 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......1400 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE NORTHWEST 3
TO 8 MPH LATE IN THE MORNING.
TIME (PDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........6 6 30 30 30 19 19 19 38
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0
TEMP............61 65 67 67 68 69 70 68 67
RH..............77 71 71 73 73 73 74 75 78
20 FT WIND DIR..N N NW NW NW W W W W
20 FT WIND SPD..1 1 3 4 5 6 7 8 7
20 FT WIND GUST.4 4 5 5 6 7 8 9 8
MIX HGT (KFT)...0.4 0.5 0.7 1.2 1.2 0.9 1.4 1.3 1.0
TRANSP WIND DIR.NE N NW NW NW NW NW NW W
TRANSP WIND SPD.5 5 3 6 7 7 7 7 8
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........95 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 6 MPH BECOMING LIGHT BY
LATE IN THE EVENING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 6 MPH INCREASING TO AROUND 7
MPH LATE IN THE EVENING.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........38 38 49 49 49 75 75 75 89 89 89 93
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............65 63 60 59 58 57 57 57 57 57 57 57
RH..............82 87 92 93 94 95 95 94 94 94 93 93
20 FT WIND DIR..W W SW SW SW N N N N N N N
20 FT WIND SPD..5 4 3 1 1 0 0 0 0 0 0 0
20 FT WIND GUST.6 5 2 2 2 2 2 2 2 2 2 4
MIX HGT (KFT)...0.9 0.7 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.W W SW SW SW SW SW SW S S S S
TRANSP WIND SPD.6 6 6 6 6 7 7 7 7 7 7 7
FRIDAY
SKY/WEATHER.........CLOUDY THEN BECOMING MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........80 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 8 MPH SHIFTING TO THE WEST
AROUND 7 MPH LATE IN THE AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........93 93 86 86 86 68 68 68 35 35 35 21
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............57 57 57 59 60 62 63 64 65 65 64 64
RH..............92 92 91 89 87 85 83 82 80 80 80 80
20 FT WIND DIR..N N S S S SW SW SW W W W W
20 FT WIND SPD..0 0 2 2 2 2 2 2 3 3 3 3
20 FT WIND GUST.4 4 5 5 5 4 4 4 4 4 4 4
MIX HGT (KFT)...0.4 0.4 0.7 0.7 0.7 2.0 2.0 2.0 1.9 1.9 1.9 1.4
TRANSP WIND DIR.S S S S S S S S SW SW SW W
TRANSP WIND SPD.7 7 6 6 6 7 7 7 8 8 8 7
FORECASTER...HALL
REQUESTED BY...CHARLES CROSS
TYPE OF REQUEST...PRESCRIBED
.TAG 2621934.0/PQR
.DELDT 09/16/26
.FORMATTERVERSION 2.0.0
.EMAIL CHARLES.E.CROSS@USDA.GOV
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