544
FNUS76 KPQR 252215
FWSPQR
SPOT FORECAST FOR HIGH LAVA IAP...USFS
NATIONAL WEATHER SERVICE PORTLAND OR
315 PM PDT TUE AUG 25 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 PDT ON AUGUST 26.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SLIGHT COOLING TREND THROUGH THE END OF THE WEEK
WITH HIGH OVERNIGHT HUMIDITY RECOVERIES AND MINIMUM RH VALUES
FALLING TO AROUND 45-55%. ONSHORE FLOW WILL BRING BREEZY WESTERLY
WINDS EACH AFTERNOON/EVENING WITH GUSTS TO AROUND 15-20 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
PATCHY SMOKE.
CWR.................1 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........47 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 5 TO 6 MPH IN THE
LATE MORNING AND AFTERNOON.
RIDGETOP...........LIGHT WINDS BECOMING WEST 6 TO 8 MPH WITH
GUSTS UP TO 16 MPH IN THE AFTERNOON.
MIXING HEIGHT.......2900 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 12 MPH.
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........26 18 14 19 21 17 17 18 14 11 21
WEATHER COV..... PTY PTY PTY ARS ARS ARS
WEATHER TYPE.... 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............51 50 53 56 59 63 66 68 69 70 69
RH..............90 94 84 77 67 61 55 52 48 48 47
20 FT WIND DIR..W W W W W W W W W W W
20 FT WIND SPD..3 4 4 5 6 6 6 6 6 6 6
20 FT WIND GUST.6 7 8 10 10 12 13 14 14 14 14
RIDGE WIND DIR..W W W W W W W W W W W
RIDGE WIND SPD..4 4 5 5 6 7 7 8 8 8 8
MIX HGT (KFT)...0.3 0.5 1.0 1.4 2.0 2.1 2.4 2.5 2.7 2.9 2.9
TRANSP WIND DIR.W W W W W W W W W W W
TRANSP WIND SPD.6 5 6 6 7 8 9 10 10 12 12
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY SMOKE.
CWR.................1 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 5 TO 6 MPH IN THE EVENING BECOMING
LIGHT.
RIDGETOP...........WEST WINDS 6 TO 8 MPH WITH GUSTS UP TO 16 MPH
IN THE EVENING BECOMING LIGHT.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....WEST 6 TO 12 MPH.
TIME (PDT) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........21 47 49 57
WEATHER COV.....AREAS PATCHY
WEATHER TYPE....SMOKE SMOKE NONE NONE
TSTM COV........
CWR.............0 0 0 0
CHC OF LTNG (%).0 0 0 0
TEMP............69 59 59 57
RH..............49 67 71 79
20 FT WIND......W 6G14 W 5G10 W 4G10 W 3G7
RIDGETOP WIND...W 8G16 W 6G11 W 5G10 W 4G8
MIX HGT (FT)....2900 300 300 400
TRANSPORT WIND..W 12 W 7 W 6 W 7
THURSDAY
SKY/WEATHER.........PARTLY SUNNY THEN BECOMING MOSTLY SUNNY.
CWR.................1 PERCENT.
CHANCE OF LIGHTNING.2 PERCENT.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........57 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 6 TO 8 MPH WITH GUSTS
TO 16 MPH IN THE AFTERNOON.
RIDGETOP...........WEST WINDS 7 TO 11 MPH WITH GUSTS UP TO 22 MPH
IN THE AFTERNOON.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WINDS.....WEST 6 TO 14 MPH.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........72 72 63 63 63 59 59 59 32 32 32 25
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 51 48 49 51 52 54 57 59 60 62 63
RH..............84 92 100 100 96 90 84 77 70 63 59 57
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..4 4 6 6 6 6 6 6 8 8 8 8
20 FT WIND GUST.7 7 10 10 10 14 14 14 16 16 16 17
RIDGE WIND DIR..W W W W W W W W W W W W
RIDGE WIND SPD..5 5 7 7 7 8 8 8 10 10 10 11
MIX HGT (KFT)...0.4 0.8 1.3 1.3 1.3 3.1 3.1 3.1 5.0 5.0 5.0 5.0
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.6 7 8 8 8 10 10 10 13 13 13 14
FORECASTER...HARTSOCK
REQUESTED BY...SCOTT KOEHLER
TYPE OF REQUEST...WILDFIRE
.TAG 2618852.41/PQR
.DELDT 08/25/26
.FORMATTERVERSION 2.0.0
.EMAIL SCOTT_KOEHLER@FIRENET.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page