Spot Forecast
Issued by NWS Portland, OR
Issued by NWS Portland, OR
342
FNUS76 KPQR 201410
FWSPQR
Spot Forecast for High Lava...USFS GPF
National Weather Service Portland OR
710 AM PDT Sun Sep 20 2026
Forecast is based on forecast start time of 0700 PDT on September 20.
If conditions become unrepresentative, contact the National Weather
Service.
.DISCUSSION...Slightly warmer today with sunny and dry conditions.
East winds may be slightly breezy this morning, mainly on exposed
ridgetops. Trending cooler and more moist tomorrow with increasing
high clouds and a switch to westerly winds, albeit less than 10 mph.
.REST OF TODAY...
Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 77.
Min humidity........35 percent.
Wind (20 ft)........
Slope/valley.......East around 5 mph in the morning, becoming
southeast in the afternoon.
Ridgetop...........East 6 to 10 mph in the morning, becoming
southeast in the afternoon.
Mixing height.......3100 ft AGL.
Transport winds.....East 6 to 10 mph shifting to the southeast
in the afternoon.
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4 3 4 2 2 1 3 4 4 2 4
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............55 53 57 62 66 69 73 75 76 77 75
RH..............62 64 58 52 45 42 38 35 35 35 36
20 FT wind dir..E E E E E SE SE SE SE SE SE
20 FT wind spd..5 5 5 5 5 4 4 4 4 4 4
20 FT wind gust.6 8 8 6 6 6 6 7 6 6 6
Ridge wind dir..E E E E E SE SE SE SE SE SE
Ridge wind spd..6 8 9 8 7 6 6 7 6 6 6
Mix hgt (kft)...0.3 0.3 0.5 0.7 1.6 1.9 2.5 2.9 3.1 2.8 2.2
Transp wind dir.E E E E E E E SE SE S SW
Transp wind spd.6 8 9 8 10 8 8 7 7 7 6
.TONIGHT...
Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 53.
Max humidity........68 percent.
Wind (20 ft)........
Slope/valley.......Light winds becoming east 5 to 10 mph late in
the evening, then becoming light overnight.
Ridgetop...........Southeast around 5 mph becoming east 7 to 11 mph
in the evening, then becoming east around 5 mph
overnight.
Mixing height.......200 ft AGL.
Transport winds.....West 3 to 5 mph shifting to the north around 3
mph early in the evening, then shifting to the
east 5 to 7 mph in the late evening and
overnight shifting to the northwest around 5
mph after 3 am.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........5 4 4 3 7 4 5 5 8 13 17 26
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............74 71 65 63 62 63 63 63 62 60 59 58
RH..............46 47 54 56 55 52 50 50 50 52 53 53
20 FT wind dir..W N E E E E E E E NE NE N
20 FT wind spd..2 2 3 3 5 7 7 5 3 3 3 2
20 FT wind gust.5 6 6 6 7 10 10 10 7 6 6 6
Ridge wind dir..SE SE E E E E E E E E E E
Ridge wind spd..5 5 8 10 11 9 8 7 6 5 5 5
Mix hgt (kft)...0.8 0.4 0.3 0.3 0.3 0.3 0.4 0.3 0.3 0.2 0.2 0.2
Transp wind dir.W W N NE E E E E NE N NW NW
Transp wind spd.3 5 3 5 5 7 7 6 5 5 5 5
.MONDAY...
Sky/weather.........Mostly sunny in the morning becoming partly
sunny in the afternoon.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 69.
Min humidity........52 percent.
Wind (20 ft)........
Slope/valley.......Light winds becoming west 5 to 6 mph late in
the afternoon.
Ridgetop...........Light winds becoming west 7 to 9 mph in the
afternoon.
Mixing height.......2200 ft AGL.
Transport winds.....West 3 to 10 mph.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........26 26 28 28 28 55 55 55 55 55 55 60
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............55 55 53 55 58 61 64 66 68 68 68 66
RH..............58 63 68 65 64 61 58 56 53 54 54 55
20 FT wind dir..N N W W W W W W W W W W
20 FT wind spd..2 2 3 3 3 4 4 4 6 6 6 6
20 FT wind gust.6 6 6 6 6 10 10 10 12 12 12 13
Ridge wind dir..N N W W W W W W W W W W
Ridge wind spd..3 3 3 3 4 4 5 6 7 7 8 7
Mix hgt (kft)...0.3 0.3 0.2 0.6 1.1 1.5 1.9 2.1 1.9 2.2 2.2 1.8
Transp wind dir.W W NW W W W W W W W W W
Transp wind spd.5 3 3 5 6 6 7 7 8 9 9 10
$$
Forecaster...Kranz
Requested by...Brian Scott
Type of request...WILDFIRE
.TAG 2621427.12/PQR
.DELDT 09/20/26
.FormatterVersion 2.0.0
.EMAIL austin.barnumdouglas@usda.gov,david.heupel@usda.gov