Avalanche Weather Guidance
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
550
FWUS46 KPDT 311056
AVGPDT
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PDT SUN AUG 31 2025
...BROKEN TOP...
DATE SUNDAY 08/31/25 MONDAY 09/01/25
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 SC SC FW FW FW FW SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 65 55 50 35 25 20 15 20 25 20 20 15 10 10 5 5 10
TEMPERATURE 52 53 62 67 66 56 52 52 51 52 62 68 69 59 54 53 52
MAX/MIN TEMP 68 50 70 51
WIND DIR S S S SW W SW SE S S S SE S W NW N N SE
WIND (MPH) 4 4 5 6 6 4 3 3 3 4 4 5 6 5 5 4 4
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 5 5 0 0 0 0 0 0 0 0 0 0 0
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) 11.4 11.0 11.2 12.0 11.9 11.8 11.6 11.3 10.9 10.5 10.4 11.3 12.1 12.0 11.9 12.0 11.8
...TAM MCARTHUR RIM...
DATE SUNDAY 08/31/25 MONDAY 09/01/25
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 SC SC FW FW FW FW SC FW FW FW FW FW FW CL FW
CLOUD COVER (%) 65 55 50 35 25 20 15 20 25 20 20 15 10 10 10 5 10
TEMPERATURE 53 54 64 68 67 57 53 52 52 53 63 69 70 60 54 53 53
MAX/MIN TEMP 69 50 71 52
WIND DIR S S S SW NW S S S S S SE S W NW N N S
WIND (MPH) 4 4 5 5 6 5 3 3 3 4 4 4 5 5 5 5 4
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 5 5 0 0 0 0 0 0 0 0 0 0 0
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) 11.5 11.0 11.3 12.0 11.9 11.8 11.6 11.3 10.9 10.5 10.4 11.3 12.1 12.0 11.9 12.0 11.8
...NEWBERRY CRATER...
DATE SUNDAY 08/31/25 MONDAY 09/01/25
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 SC SC FW FW FW SC FW FW FW CL FW FW CL FW
CLOUD COVER (%) 75 60 50 35 25 25 5 10 30 15 15 15 5 10 10 5 10
TEMPERATURE 54 55 63 70 72 62 54 54 52 53 63 71 73 65 57 55 54
MAX/MIN TEMP 73 51 74 53
WIND DIR S S S SW W N NE S S SE S S SW NW N N S
WIND (MPH) 4 4 9 11 9 5 4 4 3 4 5 8 6 5 6 5 4
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0
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 11.8 11.8 11.9 11.9 11.8 11.4 11.0 10.5 10.3 10.9 11.5 12.0 12.1 11.9 12.0 11.8
...WALLOWA MOUNTAINS (8,000 FT TO 9,000 FT)...
DATE SUNDAY 08/31/25 MONDAY 09/01/25
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 SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 70 40 40 45 50 45 35 30 30 20 10 20 20 15 10 15 10
TEMPERATURE 57 58 66 69 68 61 59 58 58 59 68 71 70 62 59 58 57
MAX/MIN TEMP 70 57 72 57
WIND DIR S S S S S S S S S S S S S S S S S
WIND (MPH) 10 10 12 11 10 8 9 9 9 9 9 8 5 4 5 6 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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) 12.1 12.0 12.0 12.0 12.0 12.1 12.4 12.4 12.3 12.4 12.3 12.5 12.5 12.4 12.4 12.3 12.3
...SALT CREEK AREA (5,000 FT TO 7,000 FT)...
DATE SUNDAY 08/31/25 MONDAY 09/01/25
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 SC SC SC SC SC SC FW SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 60 25 30 40 45 40 30 25 30 15 10 20 15 15 10 15 10
TEMPERATURE 60 64 74 77 76 67 64 63 62 66 76 79 79 69 65 64 62
MAX/MIN TEMP 78 61 80 62
WIND DIR S S S S S S SW SW SW S S S S S SW SW SW
WIND (MPH) 8 8 10 10 8 6 6 6 6 6 8 6 5 4 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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) 12.1 12.0 12.0 12.1 12.0 12.1 12.3 12.3 12.3 12.5 12.3 12.5 12.4 12.5 12.3 12.3 12.2
...CLEAR CREEK AREA (6,000 FT TO 8,000 FT)...
DATE SUNDAY 08/31/25 MONDAY 09/01/25
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 FW SC SC BK SC SC SC SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 55 25 35 45 60 45 45 45 40 25 10 20 20 15 15 10 15
TEMPERATURE 58 61 69 73 73 65 61 61 60 63 71 74 75 66 62 61 60
MAX/MIN TEMP 73 59 75 60
WIND DIR S S S S S SE S S S SE S S S N N N N
WIND (MPH) 5 6 10 10 6 5 5 5 5 5 8 8 5 4 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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) 12.1 12.0 11.9 12.1 12.1 12.1 12.3 12.3 12.3 12.5 12.3 12.5 12.5 12.5 12.4 12.3 12.3
...CATHERINE CREEK AREA (6,000 FT TO 8,000 FT)...
DATE SUNDAY 08/31/25 MONDAY 09/01/25
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 SC SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW
CLOUD COVER (%) 75 35 35 45 50 45 50 30 35 25 15 20 15 15 15 15 10
TEMPERATURE 61 61 70 73 73 65 64 63 62 63 72 75 75 67 63 63 61
MAX/MIN TEMP 74 61 76 61
WIND DIR SE SE S S SE SE SE SE SE SE S S S E E E E
WIND (MPH) 9 10 11 12 10 8 8 8 8 8 10 10 6 5 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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) 12.1 12.0 12.0 12.1 12.1 12.3 12.4 12.4 12.4 12.4 12.3 12.5 12.5 12.4 12.5 12.3 12.3
...NORWAY AREA (7,000 FT TO 10,000 FT)...
DATE SUNDAY 08/31/25 MONDAY 09/01/25
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 SC SC BK BK SC SC SC SC SC FW FW FW FW FW FW FW
CLOUD COVER (%) 60 30 35 55 60 40 40 50 35 30 10 20 20 15 10 10 10
TEMPERATURE 55 57 64 68 67 60 58 58 57 59 66 69 69 62 59 59 57
MAX/MIN TEMP 68 57 70 57
WIND DIR S S S S S SE SE SE SE SE S S S E NE NE NE
WIND (MPH) 8 9 11 11 8 6 5 6 6 8 9 9 6 4 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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) 12.1 12.0 11.9 12.1 12.0 12.2 12.4 12.3 12.4 12.4 12.3 12.5 12.5 12.5 12.4 12.3 12.3
...ANTHONY LAKES AREA (8,000 FT TO 10,000 FT)...
DATE SUNDAY 08/31/25 MONDAY 09/01/25
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 SC SC BK SC SC SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 75 50 50 45 45 65 45 30 35 25 15 20 25 20 15 25 20
TEMPERATURE 57 56 65 68 67 59 61 60 58 58 66 70 70 62 60 59 57
MAX/MIN TEMP 70 56 71 56
WIND DIR S S SE SE SE SE SE S S SE SE SE SE SE S S S
WIND (MPH) 11 11 12 12 11 6 8 9 10 9 10 9 6 4 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 5 5 5 5 0 0 5 5 5 5 0 0 0
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) 12.1 12.0 11.9 12.2 12.5 12.5 12.5 12.5 12.4 12.4 12.4 12.7 12.6 12.6 12.6 12.5 12.4
...BLUE MOUNTAINS (4,000 FT TO 6,000 FT)...
DATE SUNDAY 08/31/25 MONDAY 09/01/25
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 SC SC SC SC SC SC FW FW SC FW FW FW FW
CLOUD COVER (%) 75 55 55 50 40 45 45 35 30 35 25 20 30 15 15 15 15
TEMPERATURE 64 66 77 84 83 72 68 65 62 65 78 85 83 72 68 65 63
MAX/MIN TEMP 85 61 86 62
WIND DIR SE S S S S SE E E SE SE S S W N E SE SE
WIND (MPH) 6 6 9 10 6 4 4 4 4 3 3 4 4 3 4 4 4
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 5 5 5 5 5 5 5 5 5 5 0 0 0
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 12.1 12.0 12.1 12.3 12.3 12.4 12.5 12.4 12.3 12.3 12.5 12.6 12.6 12.5 12.3 12.3
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN