895
FNUS76 KPQR 171324
FWSPQR
SPOT FORECAST FOR HIGH LAVA...USFS
NATIONAL WEATHER SERVICE PORTLAND OR
624 AM PDT THU SEP 17 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 PDT ON SEPTEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY, WARM CONDITIONS TODAY WILL TREND COOLER INTO
FRI. WINDS OUT OF THE EAST WILL SHIFT OUT OF THE WEST BY 1100-1300
TODAY, WITH A 25% CHANCE OF WIND GUSTS EXCEEDING 20 MPH. A CURRENT
SHALLOW INVERSION WILL MIX OUT BY 0900 TODAY. EXPECT ANOTHER INVERSION
FROM 1900 TODAY TO 1300 FRI. CONDITIONS TREND WARMER AND DRIER INTO
THE WEEKEND, WITH WEST WINDS AND AFTERNOON RH DROPPING TO 35-45%.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........37 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......EAST WINDS 5 TO 7 MPH BECOMING WEST 7 TO 11 MPH
IN THE AFTERNOON. GUSTS UP TO 19 MPH LATE IN THE
AFTERNOON.
RIDGETOP...........EAST WINDS 8 TO 11 MPH BECOMING NORTHWEST LATE IN
THE AFTERNOON. GUSTS UP TO 22 MPH.
MIXING HEIGHT.......3000 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 7 MPH.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........98 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 8 TO 11 MPH BECOMING 5 TO 8 MPH EARLY
IN THE MORNING. GUSTS UP TO 19 MPH EARLY IN THE
EVENING.
RIDGETOP...........NORTHWEST WINDS 8 TO 11 MPH WITH GUSTS UP TO 22
MPH BECOMING 11 TO 14 MPH WITH GUSTS UP TO 25 MPH
EARLY IN THE MORNING.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....WEST AROUND 9 MPH.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........58 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 6 TO 9 MPH.
RIDGETOP...........NORTHWEST WINDS 11 TO 14 MPH WITH GUSTS UP TO 25
MPH BECOMING WEST 7 TO 9 MPH IN THE AFTERNOON.
MIXING HEIGHT.......2800 FT AGL.
TRANSPORT WINDS.....WEST AROUND 8 MPH.
FORECASTER...HALL
REQUESTED BY...BRIAN SCOTT
TYPE OF REQUEST...WILDFIRE
.TAG 2621427.8/PQR
.DELDT 09/17/26
.FORMATTERVERSION 2.0.0
.EMAIL BRIAN.SCOTT@USDA.GOV,KEITH.MCMILLEN@USDA.GOV
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