490
FNUS76 KPQR 051154
FWSPQR
SPOT FORECAST FOR HIGH LAVA IAP...USFS
NATIONAL WEATHER SERVICE PORTLAND OR
454 AM PDT WED AUG 5 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 PDT ON AUGUST 05.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WE'LL HOLD ONTO OFFSHORE EASTERLY FLOW THIS MORNING
WITH GUSTS UP TO 15-18 MPH ALONG THE RIDGETOPS LATE THIS MORNING
BEFORE DECREASING AND SWITCHING WESTERLY LATER IN THE AFTERNOON.
EXPECT ONLY MODERATE RH RECOVERIES TONIGHT WITH INCREASING
WESTERLY FLOW ON THURSDAY - MINIMAL DAYTIME RH AND TEMPERATURE
IMPROVEMENTS.
TODAY
SKY/WEATHER.........SUNNY. AREAS OF SMOKE.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....86-90.
MIN HUMIDITY........20 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......EAST WINDS 5 TO 13 MPH IN THE MORNING BECOMING
LIGHT, THEN BECOMING WEST AROUND 5 MPH LATE IN
THE AFTERNOON.
RIDGETOP...........EAST WINDS 5 TO 10 MPH IN THE MORNING WITH GUSTS
UP TO 18 MPH BECOMING WEST 5 TO 15 MPH LATE IN
THE AFTERNOON.
MIXING HEIGHT.......3600 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 10 MPH SHIFTING TO THE WEST 5 TO 7 MPH
LATE IN THE AFTERNOON.
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........8 3 1 2 1 3 4 4 3 3 4
WEATHER COV.....ARS ARS ARS ARS ARS ARS ARS DEF DEF DEF DEF
WEATHER TYPE....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
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0
TEMP............62 62 67 71 74 77 81 84 85 86 84
RH..............35 35 33 30 28 25 22 20 20 20 23
20 FT WIND DIR..E E E E E E E SE S SW W
20 FT WIND SPD..6 6 6 5 4 4 4 3 4 4 5
20 FT WIND GUST.13 13 10 10 10 8 7 6 8 10 10
RIDGE WIND DIR..E E E E E E E E SW W W
RIDGE WIND SPD..9 9 9 8 8 7 6 6 7 9 9
MIX HGT (KFT)...0.4 0.4 0.8 1.0 1.8 2.4 2.9 3.4 3.6 3.6 3.2
TRANSP WIND DIR.E E E E E E E E SW W W
TRANSP WIND SPD.10 9 9 9 9 8 6 5 5 6 7
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....65-70.
MAX HUMIDITY........45-50 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS AROUND 5 MPH EARLY IN THE EVENING
BECOMING LIGHT AND TERRAIN DRIVEN.
RIDGETOP...........WEST WINDS AROUND 5 TO 10 MPH WITH GUSTS AROUND
15 MPH IN THE EVENING.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 8 MPH.
TIME (PDT) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........3 5 3 4
WEATHER COV.....AREAS AREAS PATCHY PATCHY
WEATHER TYPE....SMOKE SMOKE SMOKE SMOKE
TSTM COV........
CWR.............0 0 0 0
CHC OF LTNG (%).0 0 0 0
TEMP............84 73 70 68
RH..............26 41 41 44
20 FT WIND......W 5G10 NW 4G8 NW 4G8 W 4G8
RIDGETOP WIND...W 7G15 W 6G15 W 5G10 W 5G10
MIX HGT (FT)....2400 300 300 200
TRANSPORT WIND..W 8 NW 7 NW 5 W 6
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....85-89.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 5 TO 6 MPH LATE IN
THE MORNING.
RIDGETOP...........WEST WINDS 5 TO 10 MPH WITH GUSTS UP TO 18 MPH
IN THE AFTERNOON.
MIXING HEIGHT.......3700 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
TIME (PDT) 6 AM 10 AM 2 PM
SKY (%).........12 5 7
WEATHER COV.....PATCHY PATCHY PATCHY
WEATHER TYPE....SMOKE SMOKE SMOKE
TSTM COV........
CWR.............0 0 0
CHC OF LTNG (%).0 0 0
TEMP............64 71 83
RH..............45 39 26
20 FT WIND......W 4G6 W 3G7 W 6G12
RIDGETOP WIND...W 5G9 W 5G12 W 8G18
MIX HGT (FT)....300 1600 3300
TRANSPORT WIND..W 5 W 7 W 9
FORECASTER...SCHULDT
REQUESTED BY...ANDREW MYHRA
TYPE OF REQUEST...WILDFIRE
.TAG 2618852.3/PQR
.DELDT 08/05/26
.FORMATTERVERSION 2.0.0
.EMAIL ANDREW.MYHRA@USDA.GOV
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