Avalanche Weather Guidance
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
312
FWUS46 KPDT 171056
AVGPDT
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PDT SUN AUG 17 2025
...BROKEN TOP...
DATE SUNDAY 08/17/25 MONDAY 08/18/25
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 SC FW SC BK OV BK BK BK BK SC FW FW FW FW FW FW FW
CLOUD COVER (%) 35 25 35 70 75 70 60 60 60 35 15 15 15 15 10 10 10
TEMPERATURE 44 46 52 58 58 51 48 48 47 48 53 58 58 51 47 46 46
MAX/MIN TEMP 60 46 61 45
WIND DIR W SW SW SW W SW SW SW SW SW SW W W W W W SW
WIND (MPH) 4 4 4 4 5 4 4 4 4 5 6 5 6 5 3 2 3
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 10 20 10 10 5 5 0 0 0 0 0 0 0
PRECIP TYPE R
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) 8.9 9.3 10.4 11.4 11.6 11.5 11.5 11.3 10.2 9.5 9.4 10.3 11.3 11.4 10.9 10.9 10.5
...TAM MCARTHUR RIM...
DATE SUNDAY 08/17/25 MONDAY 08/18/25
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 SC FW SC OV OV BK BK BK BK SC FW FW FW FW FW FW FW
CLOUD COVER (%) 30 20 35 75 80 65 55 60 55 30 15 15 15 15 10 5 10
TEMPERATURE 44 47 55 60 59 53 49 48 47 49 55 60 60 52 48 47 47
MAX/MIN TEMP 62 46 62 45
WIND DIR SW SW SW SW W SW S SW SW SW SW W W W W W SW
WIND (MPH) 4 4 3 4 5 5 4 4 4 5 5 4 6 5 3 2 2
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 10 10 10 10 5 5 0 0 0 0 0 0 0
PRECIP TYPE R
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) 8.9 9.3 10.4 11.4 11.6 11.5 11.5 11.3 10.2 9.4 9.4 10.4 11.4 11.4 10.9 10.9 10.5
...NEWBERRY CRATER...
DATE SUNDAY 08/17/25 MONDAY 08/18/25
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 BK SC SC BK SC FW FW FW FW FW FW FW
CLOUD COVER (%) 50 45 40 50 70 65 35 40 55 45 5 5 10 10 10 5 10
TEMPERATURE 45 46 52 59 61 56 50 49 48 49 54 62 64 56 50 48 48
MAX/MIN TEMP 63 47 66 47
WIND DIR SW SW SW SW W NW NW SW S SW SW SW W NW N NW W
WIND (MPH) 4 4 5 5 5 5 4 4 4 5 8 8 6 6 5 4 3
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 10 10 10 5 5 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) 9.7 10.0 10.8 11.5 11.8 11.9 11.6 11.5 10.8 10.1 9.8 10.7 11.9 11.7 11.0 10.7 10.2
...WALLOWA MOUNTAINS (8,000 FT TO 9,000 FT)...
DATE SUNDAY 08/17/25 MONDAY 08/18/25
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 SC BK OV SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 85 60 50 50 50 35 60 75 35 5 10 20 15 10 5 10 10
TEMPERATURE 46 48 53 58 58 53 50 50 50 53 60 64 64 56 51 50 49
MAX/MIN TEMP 60 48 66 48
WIND DIR SW SW W W SW SW S S S S SW SW W NW NW W SW
WIND (MPH) 3 3 3 3 3 3 4 4 5 4 6 9 8 5 5 5 4
WIND GUST (MPH)
PRECIP PROB (%) 10 5 20 30 20 20 20 10 10 10 20 20 5 5 0 0 0
PRECIP TYPE T R T R R R T
6 HOUR QPF 0.00 0.01 0.00 0.01 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) 11.6 11.5 11.9 12.3 12.4 12.2 12.2 12.4 12.4 12.2 12.3 12.5 12.8 12.6 12.8 12.4 12.2
...SALT CREEK AREA (5,000 FT TO 7,000 FT)...
DATE SUNDAY 08/17/25 MONDAY 08/18/25
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 SC SC SC SC BK BK SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 90 70 45 40 45 30 65 65 30 5 10 20 15 10 5 5 10
TEMPERATURE 50 54 61 66 66 60 56 55 54 60 69 72 73 64 58 55 53
MAX/MIN TEMP 68 53 74 53
WIND DIR NW E E NW NW W SW SW SW S S S SW NW N NW NW
WIND (MPH) 3 3 4 4 4 4 4 4 5 5 8 10 9 6 6 6 5
WIND GUST (MPH)
PRECIP PROB (%) 10 5 30 30 20 10 20 10 10 10 20 20 5 5 0 0 0
PRECIP TYPE R T T R R T
6 HOUR QPF 0.00 0.01 0.00 0.01 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) 11.7 11.6 11.9 12.2 12.4 12.2 12.2 12.4 12.4 12.4 12.4 12.4 12.8 12.6 12.8 12.4 12.1
...CLEAR CREEK AREA (6,000 FT TO 8,000 FT)...
DATE SUNDAY 08/17/25 MONDAY 08/18/25
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 SC SC SC SC BK BK SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 90 75 40 25 35 30 65 65 30 10 10 15 15 5 10 5 10
TEMPERATURE 50 53 59 64 64 58 55 54 52 58 64 69 70 62 57 55 53
MAX/MIN TEMP 65 51 71 53
WIND DIR W S S SW SW NW W W SW SW S S SW NW N N N
WIND (MPH) 3 3 5 6 4 4 4 4 4 5 10 12 11 6 6 6 5
WIND GUST (MPH)
PRECIP PROB (%) 10 5 20 30 20 10 10 10 10 10 10 10 5 5 0 0 0
PRECIP TYPE R R T R
6 HOUR QPF 0.00 0.00 0.00 0.03 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) 11.7 11.7 11.7 12.2 12.3 12.2 12.3 12.5 12.5 12.5 12.4 12.4 12.7 12.6 12.8 12.4 12.1
...CATHERINE CREEK AREA (6,000 FT TO 8,000 FT)...
DATE SUNDAY 08/17/25 MONDAY 08/18/25
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 FW SC FW SC BK BK SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 80 40 25 25 25 30 55 65 35 10 10 15 15 5 10 5 10
TEMPERATURE 49 52 58 63 63 58 55 54 53 56 63 68 69 61 56 54 53
MAX/MIN TEMP 65 52 70 52
WIND DIR SE SW SW SW SW E E SE SE S S SW SW N N N N
WIND (MPH) 3 3 5 4 3 3 4 4 4 4 6 9 8 5 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 10 5 10 20 10 20 10 10 10 10 10 10 5 5 0 0 0
PRECIP TYPE T T R 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) 11.5 11.3 11.4 12.1 12.2 12.2 12.2 12.5 12.5 12.3 12.2 12.3 12.7 12.5 12.7 12.3 12.1
...NORWAY AREA (7,000 FT TO 10,000 FT)...
DATE SUNDAY 08/17/25 MONDAY 08/18/25
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 SC SC SC SC BK BK SC FW FW FW FW FW FW CL FW
CLOUD COVER (%) 90 70 40 30 30 30 70 60 35 15 10 15 15 5 10 5 10
TEMPERATURE 47 50 55 59 58 55 52 51 50 54 59 63 64 58 54 52 51
MAX/MIN TEMP 59 49 64 51
WIND DIR W SW SW SW SW NE W SW SW SW S S SW NW N N N
WIND (MPH) 4 4 5 6 5 4 4 5 5 5 10 12 12 6 8 8 6
WIND GUST (MPH)
PRECIP PROB (%) 10 5 10 30 20 20 10 10 10 10 10 10 5 5 0 0 0
PRECIP TYPE R R T R R R T
6 HOUR QPF 0.00 0.00 0.00 0.05 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) 11.7 11.6 11.7 12.2 12.3 12.2 12.2 12.5 12.5 12.4 12.3 12.4 12.7 12.5 12.8 12.4 12.1
...ANTHONY LAKES AREA (8,000 FT TO 10,000 FT)...
DATE SUNDAY 08/17/25 MONDAY 08/18/25
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 BK BK BK FW FW FW FW FW CL FW FW FW
CLOUD COVER (%) 60 35 45 45 45 60 55 60 20 5 10 25 10 5 5 5 5
TEMPERATURE 46 47 53 57 58 52 51 51 50 51 58 63 63 54 51 49 48
MAX/MIN TEMP 60 47 65 46
WIND DIR SW SW SW SW W NE S S S SW S SW W N NW NW NW
WIND (MPH) 3 3 4 3 3 4 4 4 4 4 5 6 5 6 8 6 5
WIND GUST (MPH)
PRECIP PROB (%) 10 5 10 20 20 20 10 20 5 5 10 10 5 5 0 0 0
PRECIP TYPE T T R R R
6 HOUR QPF 0.00 0.04 0.06 0.05 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 11.6 12.1 12.2 12.3 12.2 12.4 12.3 12.0 11.8 12.2 12.6 12.4 12.5 12.2 12.0
...BLUE MOUNTAINS (4,000 FT TO 6,000 FT)...
DATE SUNDAY 08/17/25 MONDAY 08/18/25
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 FW FW FW SC BK SC SC FW FW FW FW FW CL FW CL
CLOUD COVER (%) 50 35 25 15 20 40 50 40 30 15 10 5 10 5 5 10 5
TEMPERATURE 51 55 63 70 70 63 59 57 54 58 66 72 72 63 58 55 53
MAX/MIN TEMP 71 53 74 52
WIND DIR W W W W NW N NE NW W W W NW NW NW NW W W
WIND (MPH) 3 3 3 4 3 3 3 2 2 2 3 5 5 5 4 3 2
WIND GUST (MPH)
PRECIP PROB (%) 5 5 0 5 5 10 10 20 10 10 5 5 0 0 0 0 0
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) 11.4 11.2 10.8 11.0 11.5 11.8 12.1 12.1 12.1 12.0 11.6 11.5 12.3 12.3 12.2 12.2 12.0
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN