Avalanche Weather Guidance
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
503
FWUS46 KPDT 161056
AVGPDT
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PDT FRI MAY 16 2025
...BROKEN TOP...
DATE FRIDAY 05/16/25 SATURDAY 05/17/25
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER BK BK BK OV OV OV OV OV OV OV OV SC BK OV OV OV BK
CLOUD COVER (%) 65 65 65 70 75 85 90 90 95 80 70 50 55 75 70 70 70
TEMPERATURE 26 30 35 40 42 38 34 34 32 31 32 33 33 29 27 26 24
MAX/MIN TEMP 42 30 34 23
WIND DIR NW NW NW W W W W W W W W W W W W W W
WIND (MPH) 5 4 5 6 6 5 4 5 8 10 12 14 18 17 13 16 13
WIND GUST (MPH)
PRECIP PROB (%) 5 0 5 5 5 5 50 50 90 90 90 90 80 80 50 50 30
PRECIP TYPE S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.02 0.09 0.05 0.08 0.06
6 HOUR SNOW 0.0 0.0 0.0 0.1 0.9 0.4 1.0 0.8
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 6.2 6.8 7.4 7.7 7.8 7.6 7.4 7.2 6.5 6.2 6.0 6.0 5.9 5.4 4.6 4.2 3.9
...TAM MCARTHUR RIM...
DATE FRIDAY 05/16/25 SATURDAY 05/17/25
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER BK BK BK OV OV OV OV OV OV OV BK SC SC BK BK BK BK
CLOUD COVER (%) 60 65 65 70 70 85 85 90 95 80 65 45 45 70 65 65 65
TEMPERATURE 27 31 36 41 43 39 35 34 32 33 33 35 34 30 28 26 24
MAX/MIN TEMP 44 31 36 24
WIND DIR NW NW NW W W W W W W W W W W W W W W
WIND (MPH) 5 4 4 6 6 5 5 5 8 9 12 14 19 18 14 16 14
WIND GUST (MPH)
PRECIP PROB (%) 5 0 5 5 5 5 40 40 80 80 80 80 70 70 40 40 30
PRECIP TYPE S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.01 0.07 0.03 0.06 0.04
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.6 0.2 0.7 0.6
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 6.2 6.8 7.4 7.8 7.8 7.6 7.4 7.2 6.6 6.2 6.1 6.1 5.9 5.4 4.6 4.2 3.9
...NEWBERRY CRATER...
DATE FRIDAY 05/16/25 SATURDAY 05/17/25
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER OV BK BK BK OV OV OV OV OV OV OV BK BK OV OV BK BK
CLOUD COVER (%) 75 60 50 60 80 90 85 90 95 80 75 60 55 70 70 70 65
TEMPERATURE 29 31 37 44 46 42 37 36 35 33 33 36 35 31 28 27 25
MAX/MIN TEMP 47 32 38 25
WIND DIR NW NW W W NW NW NW NW NW NW NW NW W W W W W
WIND (MPH) 6 5 5 8 8 6 4 5 10 12 13 16 17 18 18 18 17
WIND GUST (MPH) 34
PRECIP PROB (%) 0 0 0 5 5 5 30 30 70 70 60 60 50 50 10 10 5
PRECIP TYPE R R S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.01 0.07 0.04 0.03 0.03
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.3 0.2 0.3 0.3
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 6.1 6.7 7.5 8.1 8.3 8.2 7.9 7.5 7.1 6.4 6.3 6.4 6.2 5.7 4.9 4.4 4.0
...WALLOWA MOUNTAINS (8,000 FT TO 9,000 FT)...
DATE FRIDAY 05/16/25 SATURDAY 05/17/25
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 90 85 90 85 80 70 75 85 90 90 90 90 90 95 90 85 75
TEMPERATURE 28 28 32 34 36 34 31 31 30 34 35 35 35 33 30 27 23
MAX/MIN TEMP 37 29 37 23
WIND DIR W W W NW NW W SW SW SW E N NW NW NW NW NW NW
WIND (MPH) 5 5 5 5 4 5 6 6 5 4 6 8 12 16 17 21 23
WIND GUST (MPH)
PRECIP PROB (%) 60 30 20 20 10 5 10 10 50 50 90 90 90 90 80 80 60
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.02 0.03 0.00 0.00 0.15 0.28 0.25 0.10
6 HOUR SNOW 0.2 0.1 0.0 0.0 0.9 0.8 2.0 1.2
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 5.8 6.3 6.8 7.3 7.3 7.2 6.9 6.7 6.7 7.0 7.1 7.3 7.3 7.1 6.2 5.2 4.4
...SALT CREEK AREA (5,000 FT TO 7,000 FT)...
DATE FRIDAY 05/16/25 SATURDAY 05/17/25
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 95 85 85 80 75 75 80 85 90 90 90 90 90 95 90 85 80
TEMPERATURE 33 34 38 41 42 40 36 35 34 39 42 43 41 37 35 32 30
MAX/MIN TEMP 43 34 44 30
WIND DIR NW N N NW N N SW SW SW NE NW NW NW NW NW NW NW
WIND (MPH) 4 3 4 4 4 4 4 4 4 3 5 8 10 12 12 13 14
WIND GUST (MPH) 32
PRECIP PROB (%) 60 20 20 30 10 5 5 5 50 50 90 90 90 90 80 80 60
PRECIP TYPE S S S R R R R R R R R S S
6 HOUR QPF 0.02 0.03 0.00 0.00 0.13 0.29 0.21 0.11
6 HOUR SNOW 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.5
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 5.7 6.2 6.7 7.2 7.3 7.2 7.0 6.8 6.7 7.0 7.1 7.3 7.3 7.0 6.2 5.4 4.5
...CLEAR CREEK AREA (6,000 FT TO 8,000 FT)...
DATE FRIDAY 05/16/25 SATURDAY 05/17/25
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER OV OV OV OV BK OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 95 80 80 70 65 75 75 90 95 90 95 85 85 90 90 80 75
TEMPERATURE 30 32 34 38 40 38 33 33 33 36 37 39 38 35 33 30 28
MAX/MIN TEMP 40 32 39 27
WIND DIR W W S W W NW NW SW N SE N N N NW NW NW NW
WIND (MPH) 4 5 5 5 5 5 5 5 5 5 5 6 8 11 13 14 16
WIND GUST (MPH)
PRECIP PROB (%) 50 30 20 30 10 5 10 10 60 60 90 90 90 90 80 80 50
PRECIP TYPE S S S S S S S R R S S S S
6 HOUR QPF 0.01 0.02 0.00 0.00 0.18 0.29 0.16 0.10
6 HOUR SNOW 0.1 0.0 0.0 0.0 0.4 0.0 0.3 0.9
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 5.9 6.3 6.9 7.3 7.4 7.4 7.1 7.0 6.9 7.1 7.2 7.4 7.4 7.0 6.2 5.4 4.5
...CATHERINE CREEK AREA (6,000 FT TO 8,000 FT)...
DATE FRIDAY 05/16/25 SATURDAY 05/17/25
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER OV OV OV BK SC BK OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 90 80 70 55 50 60 75 90 95 95 95 90 85 90 85 80 75
TEMPERATURE 31 31 34 39 41 38 34 35 34 35 36 37 37 34 32 28 26
MAX/MIN TEMP 41 33 38 25
WIND DIR NW NW NW NW NW NW NE S SE E N NW NW NW NW NW NW
WIND (MPH) 6 6 8 6 5 4 4 4 4 4 5 9 12 16 18 20 19
WIND GUST (MPH)
PRECIP PROB (%) 60 30 20 30 5 5 10 10 70 70 90 90 90 90 80 80 50
PRECIP TYPE S S S S S S R R S S S S S
6 HOUR QPF 0.01 0.00 0.00 0.00 0.26 0.21 0.17 0.10
6 HOUR SNOW 0.1 0.0 0.0 0.0 0.4 0.0 0.5 1.2
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 5.7 6.0 6.6 7.1 7.2 7.1 7.0 6.9 6.8 6.9 7.0 7.4 7.2 6.7 5.8 5.0 4.2
...NORWAY AREA (7,000 FT TO 10,000 FT)...
DATE FRIDAY 05/16/25 SATURDAY 05/17/25
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER OV OV OV BK BK OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 90 75 75 65 55 70 75 90 95 90 90 85 85 90 90 80 70
TEMPERATURE 26 28 30 33 35 33 30 30 30 32 32 34 33 32 29 26 23
MAX/MIN TEMP 36 29 34 23
WIND DIR W W W W W W W SW NW SE N N NW NW NW NW NW
WIND (MPH) 6 8 6 8 8 6 6 6 5 5 6 8 11 17 21 24 25
WIND GUST (MPH)
PRECIP PROB (%) 50 30 20 30 10 5 10 10 70 70 90 90 90 90 80 80 50
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.01 0.02 0.00 0.00 0.23 0.26 0.17 0.08
6 HOUR SNOW 0.1 0.1 0.0 0.0 1.5 1.2 1.5 1.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 5.9 6.4 7.0 7.3 7.4 7.3 7.0 6.9 6.9 7.2 7.2 7.5 7.3 7.0 6.1 5.3 4.5
...ANTHONY LAKES AREA (8,000 FT TO 10,000 FT)...
DATE FRIDAY 05/16/25 SATURDAY 05/17/25
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER OV OV OV BK OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 85 85 75 60 75 75 80 90 95 95 90 85 85 85 80 80 75
TEMPERATURE 28 28 30 35 38 35 32 32 33 32 33 34 34 32 29 26 24
MAX/MIN TEMP 39 31 35 24
WIND DIR W W W W W W SW S S SE N NW NW NW W W W
WIND (MPH) 9 9 8 8 6 4 4 4 4 5 6 11 14 19 21 23 23
WIND GUST (MPH) 40 44
PRECIP PROB (%) 30 20 10 10 5 5 30 30 70 70 100 100 90 90 70 70 40
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.02 0.00 0.00 0.01 0.32 0.18 0.14 0.06
6 HOUR SNOW 0.2 0.0 0.0 0.1 2.4 0.7 1.4 0.8
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 5.7 6.0 6.7 7.3 7.4 7.3 7.0 7.0 7.0 7.0 7.1 7.2 7.1 6.5 5.5 4.8 4.0
...BLUE MOUNTAINS (4,000 FT TO 6,000 FT)...
DATE FRIDAY 05/16/25 SATURDAY 05/17/25
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER OV OV OV OV BK OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 90 85 80 70 55 75 80 90 90 90 90 85 85 90 90 90 80
TEMPERATURE 35 36 39 44 47 44 40 39 39 43 46 46 45 42 39 35 32
MAX/MIN TEMP 47 38 47 32
WIND DIR W W W W W W S SE SE S W NW W W W W W
WIND (MPH) 5 6 6 6 4 3 3 3 3 3 6 9 10 12 13 14 12
WIND GUST (MPH) 32 32 33
PRECIP PROB (%) 60 30 20 10 5 5 20 20 50 50 90 90 90 90 70 70 50
PRECIP TYPE R R R R R R R R R R R R R S S
6 HOUR QPF 0.04 0.00 0.00 0.00 0.09 0.14 0.13 0.17
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 5.2 5.5 6.1 6.6 6.8 6.7 6.7 6.6 6.6 6.8 6.8 6.9 6.9 6.6 5.6 4.7 3.9
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN