Spot Forecast
Issued by NWS Portland, OR

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FNUS76 KPQR 141244
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Spot Forecast for High Lava...USFS
National Weather Service Portland OR
544 AM PDT Mon Sep 14 2026

Forecast is based on forecast start time of 0700 PDT on September 14.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Cooler, benign weather today through Tuesday, followed
by a sharp warming/drying trend Wednesday through Friday. Morning
inversion breaks today by 1500. Another overnight inversion expected
from 0300 to 0900 tomorrow. Excellent overnight RH through Wednesday
morning. Locally breezy ENE winds expected Wednesday into early
Thursday.


.REST OF TODAY...

Sky/weather.........Partly sunny then becoming partly cloudy then
                    becoming mostly sunny.
CWR.................2 percent.
Chance of lightning.4 percent.
Max temperature.....Around 56.
Min humidity........74 percent.
Wind (20 ft)........
 Slope/valley.......West winds 7 to 9 mph becoming northwest late
                    in the afternoon.
 Ridgetop...........West winds 12 to 17 mph becoming northwest 7 to
                    9 mph in the afternoon. Gusts up to 22 mph
                    until the afternoon.
Mixing height.......2600 ft AGL.
Transport winds.....West 8 to 9 mph.

TIME (PDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........81  70  68  64  64  54  45  35  28  18  18
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............45  44  43  43  44  47  52  54  54  56  54
RH..............100 100 100 100 100 98  83  75  74  69  74
20 FT wind dir..W   W   W   W   W   W   W   W   NW  NW  NW
20 FT wind spd..9   9   8   8   8   8   7   7   7   7   6
20 FT wind gust.12  11  10  9   9   9   8   8   8   8   8
Ridge wind dir..W   W   W   W   W   W   W   W   NW  NW  NW
Ridge wind spd..17  15  13  12  10  9   9   8   8   7   7
Mix hgt (kft)...0.9 1.1 1.4 1.9 1.9 2.3 2.5 2.5 2.6 2.4 2.3
Transp wind dir.W   W   W   W   W   W   W   W   W   W   NW
Transp wind spd.9   9   9   9   9   8   8   8   8   8   8

.TONIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
CWR.................1 percent.
Chance of lightning.0 percent.
Min temperature.....Around 41.
Max humidity........100 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 7 to 9 mph becoming light
                    late in the evening.
 Ridgetop...........Northwest winds 8 to 10 mph becoming light
                    late in the evening and then northwest 8 to
                    10 mph early in the morning.
Mixing height.......200 ft AGL.
Transport winds.....Northwest 6 to 8 mph.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........17  18  28  27  44  39  42  34  48  40  62  69
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............54  53  48  46  46  46  46  44  45  44  43  43
RH..............72  74  85  91  94  92  93  94  93  95  96  93
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..9   9   8   8   7   7   6   5   4   3   3   3
20 FT wind gust.12  11  10  9   8   8   8   7   7   6   6   6
Ridge wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Ridge wind spd..10  9   9   8   7   6   5   5   5   6   8   10
Mix hgt (kft)...1.8 0.6 0.4 0.3 0.3 0.2 0.3 0.3 0.2 0.2 0.2 0.2
Transp wind dir.W   W   W   NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.8   8   7   7   6   6   6   6   7   7   6   6

.TUESDAY...

Sky/weather.........Partly sunny then becoming partly cloudy.
CWR.................1 percent.
Chance of lightning.4 percent.
Max temperature.....Around 57.
Min humidity........73 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming west 7 to 9 mph in the
                    afternoon.
 Ridgetop...........Northwest winds 7 to 9 mph.
Mixing height.......3400 ft AGL.
Transport winds.....Northwest 6 to 8 mph.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........69  69  75  75  75  73  73  73  57  57  57  43
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............43  41  41  42  43  46  50  54  55  55  56  54
RH..............96  99  100 98  98  92  85  78  73  75  74  82
20 FT wind dir..NW  NW  W   W   W   W   W   W   W   W   W   W
20 FT wind spd..6   7   7   7   7   7   8   8   8   9   9   9
20 FT wind gust.7   8   8   8   8   8   9   9   11  12  12  12
Ridge wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Ridge wind spd..6   7   7   7   7   7   8   8   8   9   9   9
Mix hgt (kft)...0.3 0.3 0.3 0.9 1.4 1.7 2.1 2.4 2.8 3.4 3.3 2.8
Transp wind dir.W   W   NW  W   W   W   W   W   W   W   NW  NW
Transp wind spd.6   6   6   6   7   6   7   8   7   8   8   8

$$
Forecaster...Hall
Requested by...Brian Scott
Type of request...WILDFIRE
.TAG 2621427.5/PQR
.DELDT 09/14/26
.FormatterVersion 2.0.0
.EMAIL brian.scott@usda.gov,keith.mcmillen@usda.gov