Spot Forecast
Issued by NWS Portland, OR
Issued by NWS Portland, OR
569
FNUS76 KPQR 151215
FWSPQR
Spot Forecast for High Lava...USFS
National Weather Service Portland OR
515 AM PDT Tue Sep 15 2026
Forecast is based on forecast start time of 0700 PDT on September 15.
If conditions become unrepresentative, contact the National Weather
Service.
.DISCUSSION...Cooler, benign weather today will trend warmer through
Thu as a thermal trough results in locally breezy winds out of the
east. Winds will weaken into Wed afternoon. Westerly flow returns Thu.
Excellent overnight RH through Wed morning. Inversion this morning
will mix out by 0900. Expect another overnight inversion between 2000
today and 0900 Wed.
.REST OF TODAY...
Sky/weather.........Mostly cloudy.
CWR.................2 percent.
Chance of lightning.5 percent.
Max temperature.....Around 56.
Min humidity........75 percent.
Wind (20 ft)........
Slope/valley.......Northwest winds 5 to 8 mph.
Ridgetop...........Northwest winds 6 to 10 mph. Gusts up to 18 mph.
Mixing height.......2700 ft AGL.
Transport winds.....West around 7 mph.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming clear.
CWR.................2 percent.
Chance of lightning.1 percent.
Min temperature.....Around 44.
Max humidity........87 percent.
Wind (20 ft)........
Slope/valley.......Northwest winds around 5 mph shifting to the
east 6 to 9 mph with gusts up to 20 mph
overnight.
Ridgetop...........East winds 8 to 11 mph becoming 18 to 24 mph
with gusts up to 30 mph overnight.
Mixing height.......300 ft AGL.
Transport winds.....Northeast around 8 mph.
.WEDNESDAY...
Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 68.
Min humidity........40 to 45 percent.
Wind (20 ft)........
Slope/valley.......East winds 11 to 16 mph with gusts up to 30 mph
becoming 8 to 11 mph with gusts up to 20 mph by
noon.
Ridgetop...........East winds 20 to 28 mph with gusts up to 34 mph
becoming 10 to 15 mph with gusts up to 24 mph by
noon.
Mixing height.......4900 ft AGL.
Transport winds.....East around 13 mph.
$$
Forecaster...Hall
Requested by...Brian Scott
Type of request...WILDFIRE
.TAG 2621427.6/PQR
.DELDT 09/15/26
.FormatterVersion 2.0.0
.EMAIL brian.scott@usda.gov,keith.mcmillen@usda.gov