Spot Forecast
Issued by NWS Portland, OR

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7
995
FNUS76 KPQR 131259
FWSPQR

Spot Forecast for High Lava...USFS
National Weather Service Portland OR
559 AM PDT Sun Sep 13 2026

Forecast is based on forecast start time of 0700 PDT on September 13.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Showery and cooler weather today as a low pressure
system shifts east over the Cascades. West winds strengthen today,
bringing a 25-35% chance of gusts to 25 mph and 10% chance up
to 30 mph through 2200 today. Benign weather Monday and Tuesday,
followed by a sharp warming/drying trend beginning Wednesday.

.REST OF TODAY...

Sky/weather.........Cloudy. Rain.
CWR.................67 percent decreasing to 8 percent late in the
                    afternoon.
Chance of lightning.7 percent.
Max temperature.....Around 49.
Min humidity........91 percent.
Wind (20 ft)........
 Slope/valley.......West winds 9 to 13 mph. Gusts up to 27 mph.
 Ridgetop...........West winds 23 to 28 mph. Gusts up to 35 mph.
Mixing height.......1500 ft AGL.
Transport winds.....Southwest 15 to 17 mph.

TIME (PDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........92  89  87  91  97  98  98  93  92  93  85
Weather cov.....CHC LKY LKY DEF DEF DEF DEF DEF LKY CHC CHC
Weather type....RN  RN  RN  RN  RN  RN  RN  RN  RN  RN  RN
Tstm cov........
CWR.............70  70  70  70  70  70  70  70  70  70  10
Chc of ltng (%).10  10  10  10  10  10  10  0   0   0   0
Temp............44  42  41  41  42  44  46  47  47  47  47
RH..............100 100 100 100 100 100 100 100 100 100 100
20 FT wind dir..W   SW  W   W   W   W   W   W   W   W   W
20 FT wind spd..13  12  11  9   8   8   7   7   7   7   7
20 FT wind gust.27  26  25  23  20  19  18  18  18  18  18
Ridge wind dir..W   SW  W   W   W   W   W   W   W   W   W
Ridge wind spd..28  27  25  23  20  19  18  18  18  18  18
Mix hgt (kft)...1.4 1.4 1.4 1.4 1.4 1.5 1.4 1.4 1.4 1.2 1.3
Transp wind dir.W   SW  W   SW  SW  SW  SW  W   W   W   W
Transp wind spd.15  15  15  16  16  17  16  17  16  16  15

.TONIGHT...

Sky/weather.........Mostly cloudy. Chance of rain early in the
                    evening, then slight chance of rain early in
                    the evening.
CWR.................8 percent.
Chance of lightning.1 percent.
Min temperature.....Around 43.
Max humidity........100 percent.
Wind (20 ft)........
 Slope/valley.......West winds 10 to 13 mph becoming 6 to 8 mph
                    early in the morning. Gusts up to 26 mph
                    becoming gusts up to 18 mph in the early
                    morning.
 Ridgetop...........West winds 22 to 27 mph becoming 14 to 19 mph
                    early in the morning. Gusts up to 35 mph
                    becoming gusts up to 25 mph in the early
                    morning.
Mixing height.......600 ft AGL.
Transport winds.....West 12 to 14 mph.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........82  72  79  73  84  80  83  84  82  82  85  77
Weather cov.....CHC SCH
Weather type....RN  RN
Tstm cov........
CWR.............10  10  10  10  10  10  10  10  10  10  10  0
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............48  49  47  47  48  49  50  50  50  50  50  50
RH..............100 96  97  98  96  91  90  89  88  89  89  87
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..13  12  10  10  9   8   8   8   8   8   7   6
20 FT wind gust.26  24  20  18  17  16  16  16  16  16  16  16
Ridge wind dir..W   W   W   W   W   W   W   W   W   W   W   W
Ridge wind spd..27  25  23  21  20  19  17  16  16  16  15  14
Mix hgt (kft)...1.3 1.1 0.7 0.7 0.7 0.7 0.6 0.6 0.7 0.7 0.7 0.8
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.14  13  12  13  13  13  13  13  13  13  13  12

.MONDAY...

Sky/weather.........Partly sunny then becoming partly cloudy.
CWR.................1 percent.
Chance of lightning.2 percent.
Max temperature.....Around 57.
Min humidity........70 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 8 mph.
 Ridgetop...........West winds 9 to 14 mph. Gusts up to 20 mph.
Mixing height.......3700 ft AGL.
Transport winds.....West 8 to 10 mph.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........77  77  61  61  61  50  50  50  41  41  41  40
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............48  45  44  43  44  45  48  52  55  55  56  55
RH..............91  98  100 100 100 100 93  81  73  73  70  70
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..8   7   7   6   5   4   4   4   4   4   4   5
20 FT wind gust.15  14  14  13  12  9   9   9   10  10  10  10
Ridge wind dir..W   W   W   W   W   W   W   W   W   W   W   W
Ridge wind spd..14  14  14  13  12  9   9   9   10  10  10  10
Mix hgt (kft)...0.8 0.5 0.9 1.3 1.7 2.2 3.0 3.6 3.1 3.7 3.5 2.9
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.10  9   9   8   8   8   8   8   8   8   9   9

$$
Forecaster...Hall
Requested by...Brian Scott
Type of request...WILDFIRE
.TAG 2621427.4/PQR
.DELDT 09/13/26
.FormatterVersion 2.0.0
.EMAIL keith.mcmillen@usda.gov,brian.scott@usda.gov