159
FNUS76 KPQR 132249
FWSPQR

Spot Forecast for SRFD_RXB...Scappoose Fire
National Weather Service Portland OR
349 PM PDT Sun Jul 13 2025

Forecast is based on ignition time of 1611 PDT on July 13.
If conditions become unrepresentative, contact the National Weather
Service.

...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.DISCUSSION...Hot and dry through this evening with breezy
northwest winds with gusts up to 30 mph. A weak upper level trough
drops across the area by Monday morning bringing seasonable
conditions, including a 40% chance of marine stratus. Expect
mostly sunny skies by Monday afternoon with cooler temperatures.
Humidities will be a bit higher tomorrow, and likely wont fall to
40% or less until after 3 PM. Winds remain out of the north to
northwest with gusts up to 20-24 mph (10% chance of gusts higher
than 25 mph). No chance for easterly winds until Tuesday morning.


.REST OF TODAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 93-95.
Min humidity........26-30 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds around 12 to 15 mph with gusts
                    up to 30 mph.
Mixing height.......4000 ft AGL.
Transport winds.....North around 20 to 25 mph.


.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 62.
Max humidity........70-74 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 5 to 15 mph. Gusts up to 30 mph
                    in the evening.
Mixing height.......900 ft AGL.
Transport winds.....Northwest 15 to 25 mph shifting to the north 9
                    to 13 mph overnight.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........5   5   5   8   6   7   4   8   9   17  16  18
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............91  90  87  81  77  75  72  71  68  66  64  64
RH..............35  36  42  47  52  54  59  62  66  68  71  74
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  N   NW
20 FT wind spd..15  12  11  11  10  8   8   7   7   6   6   5
20 FT wind gust.30  25  20  19  18  17  17  14  14  12  10  10
Mix hgt (kft)...3.3 2.5 1.5 1.0 1.0 0.9 1.0 0.9 0.9 0.9 0.9 0.9
Transp wind dir.N   N   NW  NW  NW  NW  N   N   N   N   NW  N
Transp wind spd.25  22  20  18  16  14  14  13  13  12  10  9

.MONDAY...

Sky/weather.........Partly cloudy then becoming mostly sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 78-80.
Min humidity........36-40 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 5 to 10 mph. Gusts up to 22 mph
                    late in the afternoon.
Mixing height.......3700 ft AGL.
Transport winds.....Northwest 9 to 16 mph.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........26  24  22  31  26  16  9   8   4   5   4   7
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............62  64  65  66  69  71  74  76  77  77  79  77
RH..............74  74  68  66  60  57  52  48  46  42  39  37
20 FT wind dir..N   NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..5   6   6   6   6   6   7   8   8   9   9   10
20 FT wind gust.10  10  10  10  11  11  13  14  16  18  18  20
Mix hgt (kft)...1.1 1.8 2.0 2.5 2.9 3.3 3.5 3.7 3.7 3.7 3.5 3.1
Transp wind dir.N   NW  NW  NW  NW  NW  NW  NW  NW  N   N   NW
Transp wind spd.9   13  12  10  10  10  12  13  14  15  16  15

$$
Forecaster...Hartsock
Requested by...Jeff Pricher
Type of request...PRESCRIBED
.TAG 2517839.1/PQR
.DELDT 07/13/25
.FormatterVersion 2.0.0
.EMAIL jpricher@scappoosefire.gov