Avalanche Weather Guidance
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
553
FWUS46 KPDT 312156
AVGPDT
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
256 PM PDT SUN AUG 31 2025
...BROKEN TOP...
DATE MONDAY 09/01/25 TUESDAY 09/02/25
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER FW SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC
CLOUD COVER (%) 25 35 15 20 20 20 15 15 10 20 15 10 15 10 10 15 50
TEMPERATURE 66 56 53 52 51 52 61 67 68 57 53 53 53 56 67 72 72
MIN/MAX TEMP 49 69 51 73
WIND DIR SW SW S S S S S S SW NW N E S S SE S W
WIND (MPH) 10 5 4 3 3 4 5 5 6 5 4 4 5 8 6 5 5
WIND GUST (MPH)
PRECIP PROB (%) 5 5 0 0 0 0 0 0 0 5 0 0 0 0 5 5 20
PRECIP TYPE T
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 11.9 11.9 11.5 11.1 10.8 10.4 10.8 11.6 11.6 11.3 11.5 11.3 11.5 11.6 12.1 12.5 12.8
...TAM MCARTHUR RIM...
DATE MONDAY 09/01/25 TUESDAY 09/02/25
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER FW SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC
CLOUD COVER (%) 25 35 15 20 20 20 15 15 10 20 15 10 15 10 10 15 50
TEMPERATURE 67 57 53 52 51 53 63 69 69 58 54 53 54 57 68 73 73
MIN/MAX TEMP 50 70 52 74
WIND DIR SW SW S S S S S S S NW N NW S S SE S W
WIND (MPH) 11 5 4 3 4 4 5 5 6 5 3 4 5 8 6 5 4
WIND GUST (MPH)
PRECIP PROB (%) 5 5 0 0 0 0 0 0 0 5 0 0 0 0 5 5 20
PRECIP TYPE T
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 12.0 11.9 11.5 11.1 10.8 10.4 10.8 11.6 11.6 11.3 11.5 11.3 11.5 11.6 12.1 12.5 12.8
...NEWBERRY CRATER...
DATE MONDAY 09/01/25 TUESDAY 09/02/25
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER SC FW FW FW FW FW FW FW CL FW FW FW FW FW FW FW BK
CLOUD COVER (%) 25 20 10 10 20 15 20 15 5 20 10 5 15 15 5 20 55
TEMPERATURE 72 62 54 54 52 53 62 70 73 64 56 56 55 56 66 73 74
MIN/MAX TEMP 51 73 54 76
WIND DIR W NW N S S S S S SW W N NE SE SE S S SW
WIND (MPH) 9 5 5 4 3 4 6 8 8 5 6 4 4 5 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 5 20
PRECIP TYPE T
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 12.0 12.0 11.7 11.0 10.6 10.1 10.7 11.1 11.4 11.6 11.4 11.6 11.6 11.9 12.1 12.5 12.8
...WALLOWA MOUNTAINS (8,000 FT TO 9,000 FT)...
DATE MONDAY 09/01/25 TUESDAY 09/02/25
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER SC SC SC SC FW FW FW SC FW FW FW FW FW FW FW SC SC
CLOUD COVER (%) 50 45 45 40 25 20 15 40 20 15 15 15 15 10 10 35 40
TEMPERATURE 68 61 58 58 58 59 68 71 71 62 60 59 58 61 70 73 71
MIN/MAX TEMP 57 72 58 73
WIND DIR S S S S S S S S S S S S S S S SE N
WIND (MPH) 11 8 9 10 10 9 9 8 5 5 6 6 6 5 4 4 4
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 11.8 11.9 12.1 12.1 12.2 12.2 12.4 12.7 12.7 12.7 12.7 12.7 12.5 12.5 12.6 12.6 12.8
...SALT CREEK AREA (5,000 FT TO 7,000 FT)...
DATE MONDAY 09/01/25 TUESDAY 09/02/25
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER SC SC SC SC FW FW FW SC FW FW FW FW FW FW FW SC SC
CLOUD COVER (%) 45 35 45 35 25 15 15 35 15 15 15 15 15 5 5 30 35
TEMPERATURE 76 67 64 63 62 66 76 79 78 69 65 65 63 68 79 82 80
MIN/MAX TEMP 61 80 63 82
WIND DIR S S S S S S S S S S SW SW SW S SE S N
WIND (MPH) 10 6 8 8 8 8 9 8 6 5 6 6 5 5 5 5 4
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 11.9 11.9 12.1 12.1 12.2 12.2 12.3 12.6 12.7 12.7 12.7 12.7 12.5 12.5 12.5 12.5 12.7
...CLEAR CREEK AREA (6,000 FT TO 8,000 FT)...
DATE MONDAY 09/01/25 TUESDAY 09/02/25
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER BK SC BK SC SC FW FW SC FW FW FW FW FW FW FW FW SC
CLOUD COVER (%) 55 45 55 45 40 25 20 35 20 10 20 15 20 5 5 15 30
TEMPERATURE 72 64 62 61 59 63 71 75 75 66 63 62 60 65 75 77 76
MIN/MAX TEMP 59 75 60 77
WIND DIR S SE SE S S S S S S N N N N E S S SE
WIND (MPH) 10 5 5 6 6 6 9 8 6 5 5 5 5 4 5 6 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 11.9 12.0 12.2 12.2 12.2 12.2 12.3 12.6 12.7 12.7 12.7 12.8 12.5 12.5 12.5 12.5 12.7
...CATHERINE CREEK AREA (6,000 FT TO 8,000 FT)...
DATE MONDAY 09/01/25 TUESDAY 09/02/25
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER BK SC BK SC SC SC FW SC FW FW FW FW FW FW FW FW SC
CLOUD COVER (%) 50 50 50 35 30 25 25 35 15 20 25 15 15 10 5 20 25
TEMPERATURE 73 65 63 62 62 63 71 75 75 66 64 63 62 64 74 78 76
MIN/MAX TEMP 61 76 62 78
WIND DIR SE SE SE SE SE SE SE S SE E E E E SE S S NE
WIND (MPH) 10 8 8 9 9 9 10 9 6 5 5 5 5 5 5 6 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 11.9 12.0 12.2 12.2 12.3 12.3 12.4 12.7 12.8 12.8 12.7 12.8 12.5 12.5 12.6 12.6 12.8
...NORWAY AREA (7,000 FT TO 10,000 FT)...
DATE MONDAY 09/01/25 TUESDAY 09/02/25
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER BK SC BK SC SC SC FW SC FW FW FW FW FW FW FW FW SC
CLOUD COVER (%) 55 45 60 45 40 30 20 35 20 15 15 15 15 5 5 15 30
TEMPERATURE 68 61 59 58 57 59 66 69 69 61 60 59 58 62 69 72 70
MIN/MAX TEMP 56 69 58 72
WIND DIR SE SE SE S SE S S S S NE N N N E S S SE
WIND (MPH) 11 8 8 8 9 9 10 9 8 5 6 5 5 5 5 6 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 11.9 12.0 12.2 12.2 12.3 12.3 12.4 12.6 12.7 12.7 12.7 12.8 12.5 12.5 12.6 12.5 12.7
...ANTHONY LAKES AREA (8,000 FT TO 10,000 FT)...
DATE MONDAY 09/01/25 TUESDAY 09/02/25
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER BK BK BK SC SC FW SC SC FW FW SC FW FW FW CL FW SC
CLOUD COVER (%) 50 65 55 25 30 25 35 35 25 25 30 25 15 15 5 20 35
TEMPERATURE 68 60 60 59 57 57 66 69 69 60 60 60 59 59 69 73 71
MIN/MAX TEMP 55 71 57 74
WIND DIR SE SE S S S S SE SE S SE S S S S SE SE NE
WIND (MPH) 11 8 8 9 9 9 9 9 6 5 5 5 5 5 5 5 4
WIND GUST (MPH)
PRECIP PROB (%) 5 5 5 5 0 0 0 5 5 5 0 0 0 0 5 5 5
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 12.3 12.4 12.3 12.3 12.3 12.3 12.6 12.9 12.9 12.8 12.7 12.7 12.5 12.5 12.5 12.6 12.7
...BLUE MOUNTAINS (4,000 FT TO 6,000 FT)...
DATE MONDAY 09/01/25 TUESDAY 09/02/25
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER SC SC SC SC FW SC FW SC SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 50 45 45 40 25 35 15 30 30 20 20 20 20 10 10 10 15
TEMPERATURE 83 72 68 66 63 65 78 84 83 72 69 65 63 67 81 87 85
MIN/MAX TEMP 61 85 63 87
WIND DIR S SE E SE SE S S S W N E NE SE SE S NW N
WIND (MPH) 6 4 3 3 3 3 3 4 4 3 4 3 4 3 2 3 5
WIND GUST (MPH)
PRECIP PROB (%) 5 5 5 5 0 0 0 5 0 0 0 0 0 0 0 0 5
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 12.2 12.2 12.2 12.3 12.3 12.2 12.4 12.7 12.8 12.9 12.7 12.6 12.5 12.4 12.4 12.4 12.6
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN