123
FNUS76 KPQR 200419
FWSPQR
SPOT FORECAST FOR HIGH LAVA IAP...USFS GPF
NATIONAL WEATHER SERVICE PORTLAND OR
919 PM PDT WED AUG 19 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 PDT ON AUGUST 20.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WARM AND DRY THURSDAY WITH DAYTIME MINIMUM RH NEAR
CRITICAL VALUES AND ONLY MODERATE OVERNIGHT RECOVERY. NORTHWEST
WINDS ON THURSDAY SHIFT OUT OF THE SOUTHWEST ON FRIDAY, WITH
STRENGTHENED ONSHORE FLOW RAISING HUMIDITY THROUGH THE WEEKEND.
15% CHANCE OF THUNDERSTORMS FRIDAY NIGHT INTO SATURDAY, ALTHOUGH
CONFIDENCE REMAINS LOW IN THE TIMING AND COVERAGE OF STORMS.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........38 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST AROUND 5 MPH LATE IN
THE AFTERNOON.
RIDGETOP...........WEST WINDS AROUND 5 MPH, THEN INCREASING TO 7
TO 8 MPH IN THE AFTERNOON.
MIXING HEIGHT.......2200 FT AGL.
TRANSPORT WINDS.....WEST 3 TO 7 MPH.
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15 10 5 3 4 4 5 3 3 2 5
WEATHER COV..... PTY PTY PTY PTY PTY
WEATHER TYPE.... 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............57 57 62 66 69 74 78 80 81 80 79
RH..............72 73 64 60 54 48 43 39 38 38 38
20 FT WIND DIR..W W W W W W W W W W W
20 FT WIND SPD..3 4 3 3 3 4 4 5 5 5 5
20 FT WIND GUST.6 7 6 6 6 7 8 10 10 10 10
RIDGE WIND DIR..W W W W W W W W W W W
RIDGE WIND SPD..5 5 5 6 6 6 7 7 7 8 8
MIX HGT (KFT)...0.3 0.3 0.6 1.2 1.5 1.7 2.1 2.2 2.2 2.2 2.0
TRANSP WIND DIR.NW NW W W W W W W W W W
TRANSP WIND SPD.5 5 6 6 6 7 7 8 8 8 9
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING CLOUDY. PATCHY SMOKE
EARLY IN THE EVENING.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 61.
MAX HUMIDITY........61 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS AROUND 5 MPH EARLY IN THE EVENING
BECOMING LIGHT.
RIDGETOP...........WEST WINDS 7 TO 8 MPH IN THE EVENING, THEN
DECREASING TO AROUND 5 MPH OVERNIGHT.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 8 MPH SHIFTING TO THE NORTHWEST 5 TO
6 MPH LATE IN THE EVENING.
TIME (PDT) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........4 8 18 33
WEATHER COV.....PATCHY
WEATHER TYPE....SMOKE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0
CHC OF LTNG (%).0 0 0 0
TEMP............79 71 70 68
RH..............41 54 52 54
20 FT WIND......W 5G10 NW 3G6 NW 4G8 NW 4G8
RIDGETOP WIND...W 8G14 W 6G10 NW 5G9 NW 4G8
MIX HGT (FT)....1500 300 300 200
TRANSPORT WIND..W 8 W 6 N 5 NW 5
FRIDAY
SKY/WEATHER.........CLOUDY. PATCHY SMOKE LATE IN THE AFTERNOON.
CWR.................6 PERCENT.
CHANCE OF LIGHTNING.3 PERCENT.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........44 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........NORTHWEST WINDS AROUND 5 MPH BECOMING SOUTHWEST
6 TO 8 MPH IN THE AFTERNOON.
MIXING HEIGHT.......2300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 3 TO 5 MPH SHIFTING TO THE SOUTHWEST
6 TO 7 MPH IN THE AFTERNOON.
TIME (PDT) 6 AM 10 AM 2 PM
SKY (%).........91 90 92
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE
TSTM COV........
CWR.............0 0 0
CHC OF LTNG (%).0 0 0
TEMP............64 66 77
RH..............55 57 44
20 FT WIND......NW 3G7 W 3G7 W 4G8
RIDGETOP WIND...NW 5G8 W 5G8 SW 6G10
MIX HGT (FT)....300 1100 2300
TRANSPORT WIND..NW 5 W 5 SW 6
FORECASTER...PICARD
REQUESTED BY...SCOTT KOEHLER
TYPE OF REQUEST...WILDFIRE
.TAG 2618852.31/PQR
.DELDT 08/20/26
.FORMATTERVERSION 2.0.0
.EMAIL SCOTT_KOEHLER@FIRENET.GOV
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