Spot Forecast
Issued by NWS Portland, OR

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538
FNUS76 KPQR 240557
FWSPQR

Spot Forecast for incident 238...USFS WIF
National Weather Service Portland OR
1057 PM PDT Thu Jul 23 2026

Forecast is based on forecast start time of 0700 PDT on July 24.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Moist onshore flow will continue to support daytime
minimum RH well above critical values and excellent overnight
recoveries. Diurnal winds will peak near 10 mph each afternoon.
Nocturnal inversion will break 0800-1000 and redevelop 1900-2100.
No significant weather expected.

.FRIDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 73.
Min humidity........43 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming southwest 5 to 7 mph in
                    the afternoon, then shifting to the west around
                    7 mph late in the afternoon.
 Ridgetop...........Light winds becoming southwest 6 to 8 mph in
                    the late morning, then shifting to the west
                    around 10 mpg in the afternoon.
Mixing height.......5700 ft AGL.
Transport winds.....South 3 to 12 mph shifting to the
                    southwest 10 to 13 mph in the afternoon.

TIME (PDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........19  21  15  11  2   0   1   1   1   1   1
Weather cov.....
Weather type....
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............58  60  63  66  68  71  72  73  73  73  71
RH..............75  68  62  55  49  46  43  42  43  45  47
20 FT wind dir..S   S   SW  SW  SW  SW  SW  SW  W   W   W
20 FT wind spd..2   2   2   3   4   5   6   6   6   7   7
20 FT wind gust.5   4   5   7   10  11  13  14  14  14  14
Ridge wind dir..SW  SW  SW  SW  SW  SW  W   W   W   W   W
Ridge wind spd..4   4   5   6   6   7   8   8   9   10  10
Mix hgt (kft)...0.4 0.6 2.1 2.9 3.5 4.4 5.6 5.7 5.4 5.1 4.2
Transp wind dir.S   S   S   SW  SW  S   SW  SW  SW  SW  W
Transp wind spd.3   3   6   7   8   12  13  13  13  10  10

.FRIDAY NIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 52.
Max humidity........79 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 6 to 8 mph early in the evening
                    becoming light.
 Ridgetop...........
Mixing height.......300 ft AGL.
Transport winds.....West 5 to 10 mph shifting to the south 5 to 6
                    mph overnight.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........7   14  27  29  30  28  25  16  8   8   10  9
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............71  68  63  60  59  57  57  56  55  54  54  53
RH..............48  56  62  68  72  75  73  77  79  79  78  77
20 FT wind dir..W   NW  NW  NW  W   S   S   S   S   S   S   S
20 FT wind spd..7   8   8   6   4   3   2   2   3   3   3   3
20 FT wind gust.14  14  14  10  6   5   5   5   5   5   5   6
Ridge wind dir..W   W   W   W   W   SW  SW  SW  SW  SW  SW  SW
Ridge wind spd..10  11  10  9   7   5   5   4   4   4   4   4
Mix hgt (kft)...3.3 2.6 1.7 0.7 0.4 0.3 0.4 0.3 0.3 0.3 0.3 0.3
Transp wind dir.W   W   W   W   W   SW  S   S   S   S   S   S
Transp wind spd.9   10  10  7   6   5   5   6   5   6   6   6

.SATURDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 66.
Min humidity........44 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming southwest 5 to 8 mph with
                    gusts to around 18 mph early in the morning,
                    then shifting to the west around 7 mph late in
                    the afternoon.
 Ridgetop...........Light winds becoming southwest 6 to 9 mph, then
                    shifting to the west around 10 mph in the
                    afternoon.
Mixing height.......6600 ft AGL.
Transport winds.....Southwest 7 to 16 mph increasing to 13 to 18
                    mph late in the afternoon.

TIME (PDT)      6 AM         10 AM        2 PM
Sky (%).........9            5            0
Weather cov.....
Weather type....NONE         NONE         NONE
Tstm cov........
CWR.............0            0            0
Chc of ltng (%).0            0            0
Temp............53           60           66
RH..............75           52           44
20 FT wind......S 3G6        SW 5G16      W 8G18
Ridgetop wind...SW 5         SW 8         W 11
Mix hgt (ft)....400          3800         6100
Transport wind..S 7          SW 15        SW 18

$$
Forecaster...Picard
Requested by...Eric Moore
Type of request...WILDFIRE
.TAG 2618097.0/PQR
.DELDT 07/23/26
.FormatterVersion 2.0.0
.EMAIL eric.r.moore@usda.gov