Spot Forecast
Issued by NWS Portland, OR
Issued by NWS Portland, OR
061
FNUS76 KPQR 190059
FWSPQR
Spot Forecast for Tumbledown...USFS MHF
National Weather Service Portland OR
559 PM PDT Sat Jul 18 2026
Forecast is based on forecast start time of 1800 PDT on July 18.
If conditions become unrepresentative, contact the National Weather
Service.
.DISCUSSION...Building high pressure will bring a warming trend
with continued dry weather through the weekend. RH will remain
above critical thresholds with an excellent recovery tonight and
moderate recovery Sunday night. Gusts this evening will ease below
10 mph by 2300. Nocturnal inversion will break 0800-1000 Sunday.
.TONIGHT...
Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 49.
Max humidity........79 percent.
Wind (20 ft)........
Slope/valley.......Southwest winds 5 to 7 mph. Gusts up to 20 mph
in the evening.
Ridgetop...........West winds 7 to 10 mph. Gusts up to 25 mph in
the evening.
Mixing height.......400 ft AGL.
.SUNDAY...
Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 75.
Min humidity........43 percent.
Wind (20 ft)........
Slope/valley.......Light winds becoming northwest around 5 mph in
the afternoon.
Ridgetop...........Light winds becoming north 5 to 8 mph in the
afternoon.
Mixing height.......3200 ft AGL.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 59.
Max humidity........60 percent.
Wind (20 ft)........
Slope/valley.......Light winds.
Ridgetop...........Light winds.
Mixing height.......400 ft AGL.
.MONDAY...
Sky/weather.........Mostly cloudy.
CWR.................0 percent.
Chance of lightning.1 percent.
Max temperature.....Around 79.
Min humidity........41 percent.
Wind (20 ft)........
Slope/valley.......Light winds.
Ridgetop...........Light winds.
Mixing height.......4300 ft AGL.
$$
Forecaster...Picard
Requested by...M. Kawski
Type of request...WILDFIRE
.TAG 2617713.0/PQR
.DELDT 07/18/26
.FormatterVersion 2.0.0
.EMAIL waccc@firenet.gov