Spot Forecast
Issued by NWS Portland, OR

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103
FNUS76 KPQR 161045
FWSPQR

Spot Forecast for High Lava IAP...USFS
National Weather Service Portland OR
345 AM PDT Sun Aug 16 2026

Forecast is based on forecast start time of 0600 PDT on August 16.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Seasonably warm and dry weather continues this week
with morning clouds and afternoon clearing expected. Persistent
onshore flow will support daytime minimum RH above critical values
and moderate to excellent overnight RH recovery. Diurnal west to
northwest winds will peak each afternoon, highest near ridgetops.

.TODAY...

Sky/weather.........Mostly cloudy then becoming mostly sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 71.
Min humidity........48 percent.
Wind (20 ft)........
 Slope/valley.......West winds under 5 mph increasing to 5 to 6 mph
                    in the afternoon.
 Ridgetop...........Northwest 6 to 8 mph, increasing to 10 to 12 mph
                    with gusts up to 20 mph in the afternoon.
Mixing height.......2700 ft AGL.
Transport winds.....West 6 to 9 mph.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........87  86  68  42  19  19  16  17  18  13  16  33
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............56  53  51  54  57  60  64  68  69  70  71  69
RH..............82  91  95  89  82  71  61  56  51  48  46  48
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..4   4   4   4   4   4   5   6   6   6   6   6
20 FT wind gust.8   8   7   7   7   8   10  10  12  12  13  13
Ridge wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Ridge wind spd..6   7   7   8   8   8   9   10  10  11  12  12
Mix hgt (kft)...0.3 0.4 0.6 1.3 1.8 2.2 2.3 2.4 2.7 2.6 2.7 2.4
Transp wind dir.W   NW  W   NW  W   W   W   W   W   W   W   W
Transp wind spd.7   7   6   7   7   7   6   7   8   8   9   9

.TONIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 53.
Max humidity........79 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 5 to 6 mph early in the evening
                    becoming light and under 5 mph.
 Ridgetop...........Northwest 10 to 12 mph with gusts up to 20 mph
                    early in the evening, weakening to 6 to 8 mph
                    overnight.
Mixing height.......200 ft AGL.
Transport winds.....West 7 to 10 mph shifting to the northwest 5 to
                    6 mph in the late evening and overnight.

TIME (PDT)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........38        58        68        86
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of ltng (%).0         0         0         0
Temp............69        60        60        58
RH..............50        68        71        73
20 FT wind......W  6G12   W  4G8    NW 4G7    NW 4G7
Ridgetop wind...NW 12G20  NW 9G18   NW 7G14   NW 6G12
Mix hgt (ft)....2000      300       300       200
Transport wind..W 10      NW 7      NW 5      NW 6

.MONDAY...

Sky/weather.........Partly cloudy then becoming partly sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 75.
Min humidity........45 percent.
Wind (20 ft)........
 Slope/valley.......Light winds under 5 mph becoming west
                    around 6 mph late in the afternoon.
 Ridgetop...........Northwest 6 to 8 mph, increasing to 10 to 12 mph
                    with gusts up to 20 mph in the afternoon.
Mixing height.......3600 ft AGL.
Transport winds.....Northwest around 5 mph shifting to the west 5
                    to 12 mph in the late morning and afternoon.

TIME (PDT)      6 AM         10 AM        2 PM
Sky (%).........59           25           40
Weather cov.....
Weather type....NONE         NONE         NONE
Tstm cov........
CWR.............0            0            0
Chc of ltng (%).0            0            0
Temp............55           61           74
RH..............75           66           45
20 FT wind......NW 4G7       W  3G6       W  6G13
Ridgetop wind...NW 6G12      NW 8G16      NW 10G20
Mix hgt (ft)....300          1500         2700
Transport wind..NW 5         W 5          W 7

$$
Forecaster...Alviz
Requested by...Jody Nickerson-Powell
Type of request...WILDFIRE
.TAG 2618852.23/PQR
.DELDT 08/16/26
.FormatterVersion 2.0.0
.EMAIL jody_nickerson-powell@firenet.gov