Avalanche Weather Guidance
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
294
FWUS46 KPDT 182157
AVGPDT
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
256 PM PDT MON AUG 18 2025
...BROKEN TOP...
DATE TUESDAY 08/19/25 WEDNESDAY 08/20/25
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 FW FW CL FW FW SC SC FW FW FW FW CL FW FW
CLOUD COVER (%) 25 50 40 10 10 5 5 25 35 35 10 10 10 5 5 10 20
TEMPERATURE 58 50 47 46 45 49 57 63 61 52 49 47 45 48 56 61 61
MIN/MAX TEMP 44 64 45 62
WIND DIR W SW SW SW SW SW SW W W W W W W NW N NW NW
WIND (MPH) 5 4 3 2 2 2 3 5 8 6 4 3 3 3 3 4 5
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 0 0 5 10 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 11.5 11.1 10.9 10.7 10.3 11.1 11.9 12.0 12.0 11.1 10.6 10.7 10.6 10.7 11.3 11.5
...TAM MCARTHUR RIM...
DATE TUESDAY 08/19/25 WEDNESDAY 08/20/25
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 FW FW CL FW SC SC SC FW FW FW FW CL FW FW
CLOUD COVER (%) 30 45 45 10 10 5 10 30 40 40 10 5 5 5 5 10 20
TEMPERATURE 59 52 49 47 46 50 58 64 62 54 50 48 46 49 58 63 63
MIN/MAX TEMP 45 65 46 63
WIND DIR SW SW SW SW SW SW SW NW W W W W W NW N NW NW
WIND (MPH) 5 5 3 2 2 2 2 4 8 8 4 3 3 3 3 4 5
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 0 0 5 10 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) 11.6 11.5 11.1 10.9 10.7 10.3 11.2 12.0 12.0 12.0 11.2 10.7 10.7 10.6 10.8 11.3 11.5
...NEWBERRY CRATER...
DATE TUESDAY 08/19/25 WEDNESDAY 08/20/25
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 CL FW FW SC SC FW CL FW CL CL FW FW
CLOUD COVER (%) 20 45 25 5 15 5 5 15 25 25 5 5 10 5 0 10 15
TEMPERATURE 65 58 50 48 47 49 58 66 67 59 51 49 48 49 58 64 65
MIN/MAX TEMP 47 69 48 66
WIND DIR W NW NW SW S S SW SW NW NW NW NW NW NW NW NW NW
WIND (MPH) 6 6 5 4 2 3 4 5 6 8 6 5 4 4 3 5 6
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 0 0 5 10 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) 11.9 11.7 11.1 10.6 10.4 10.2 11.0 11.9 12.1 11.8 11.4 11.2 11.1 11.0 11.0 11.4 11.9
...WALLOWA MOUNTAINS (8,000 FT TO 9,000 FT)...
DATE TUESDAY 08/19/25 WEDNESDAY 08/20/25
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 FW SC SC FW CL FW SC SC FW FW FW FW CL CL FW FW
CLOUD COVER (%) 10 10 25 30 10 5 5 30 30 15 10 10 10 5 0 10 10
TEMPERATURE 66 58 51 51 50 54 63 69 68 57 51 49 47 51 59 63 63
MIN/MAX TEMP 49 70 47 64
WIND DIR SW SW S S S S SW SW W NW NW NW W NW N N N
WIND (MPH) 8 5 5 4 3 3 4 5 5 8 8 8 6 5 6 8 10
WIND GUST (MPH)
PRECIP PROB (%) 5 5 0 0 0 0 0 10 10 5 5 5 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) 12.7 12.6 12.6 12.3 11.9 11.2 11.8 12.7 12.8 12.6 12.3 12.1 11.9 11.7 11.8 11.9 12.1
...SALT CREEK AREA (5,000 FT TO 7,000 FT)...
DATE TUESDAY 08/19/25 WEDNESDAY 08/20/25
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 FW SC FW FW CL CL SC SC FW FW FW FW CL CL FW FW
CLOUD COVER (%) 10 10 30 25 10 5 5 30 30 20 10 5 10 0 0 10 10
TEMPERATURE 74 65 57 55 53 59 71 77 77 65 58 55 53 58 68 72 71
MIN/MAX TEMP 53 79 53 73
WIND DIR SW NW NW NW W E S SW W N NW NW NW N N N N
WIND (MPH) 9 6 6 5 4 3 4 5 5 8 10 8 6 6 5 6 9
WIND GUST (MPH)
PRECIP PROB (%) 5 5 0 0 0 0 0 10 10 5 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) 12.6 12.7 12.8 12.4 11.9 11.3 12.2 12.7 12.7 12.5 12.3 12.3 12.1 11.8 11.9 11.9 12.1
...CLEAR CREEK AREA (6,000 FT TO 8,000 FT)...
DATE TUESDAY 08/19/25 WEDNESDAY 08/20/25
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 FW SC FW FW CL FW FW SC SC FW FW FW CL CL FW FW
CLOUD COVER (%) 10 10 35 20 10 5 5 25 30 30 10 10 10 5 0 5 10
TEMPERATURE 71 63 57 55 54 59 69 73 74 65 57 54 52 57 66 71 70
MIN/MAX TEMP 53 74 52 71
WIND DIR SW NW N N W S S SW SW N N N NW N N NW NW
WIND (MPH) 10 6 6 5 4 3 5 8 6 8 10 9 8 6 6 8 9
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 0 0 5 10 5 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) 12.6 12.8 12.8 12.4 11.9 11.3 12.4 12.6 12.6 12.5 12.4 12.3 12.1 11.7 11.8 11.9 12.1
...CATHERINE CREEK AREA (6,000 FT TO 8,000 FT)...
DATE TUESDAY 08/19/25 WEDNESDAY 08/20/25
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 FW SC FW FW CL FW FW SC FW FW FW FW CL CL CL FW
CLOUD COVER (%) 15 20 25 20 10 5 10 10 30 15 10 5 10 5 0 5 5
TEMPERATURE 70 62 56 55 53 57 67 72 73 63 56 53 51 55 64 68 67
MIN/MAX TEMP 52 73 51 69
WIND DIR SW NE E SE SE S SW SW W N N N N N NW NW NW
WIND (MPH) 8 6 5 4 4 3 5 6 6 9 10 9 6 6 8 10 10
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 0 0 5 10 5 5 5 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) 12.6 12.5 12.4 12.2 11.7 11.1 11.6 12.6 12.7 12.6 12.2 12.1 11.7 11.5 11.4 11.8 12.0
...NORWAY AREA (7,000 FT TO 10,000 FT)...
DATE TUESDAY 08/19/25 WEDNESDAY 08/20/25
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 FW SC FW FW CL FW FW SC SC FW FW FW CL CL FW FW
CLOUD COVER (%) 10 10 35 20 10 5 5 20 30 30 10 5 10 5 0 5 10
TEMPERATURE 65 59 54 53 52 56 64 68 68 61 55 52 50 54 62 65 64
MIN/MAX TEMP 51 68 50 65
WIND DIR SW W NE N SW S SW SW S N N N N N NW NW NW
WIND (MPH) 11 6 6 5 4 4 5 8 8 10 11 10 10 8 6 9 10
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 0 0 5 10 5 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) 12.6 12.7 12.7 12.3 11.8 11.3 12.2 12.7 12.7 12.5 12.4 12.1 12.0 11.6 11.8 12.0 12.1
...ANTHONY LAKES AREA (8,000 FT TO 10,000 FT)...
DATE TUESDAY 08/19/25 WEDNESDAY 08/20/25
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 SC FW FW CL FW SC FW FW FW FW CL CL CL FW FW
CLOUD COVER (%) 20 35 30 10 5 5 10 30 25 10 5 5 5 5 0 5 5
TEMPERATURE 64 54 51 50 48 51 61 66 65 53 51 48 46 48 58 62 61
MIN/MAX TEMP 47 68 46 63
WIND DIR W NW SW S SW SW SW SW NW NW NW W W NW NW NW NW
WIND (MPH) 6 6 6 5 4 4 4 5 8 9 10 9 8 8 8 9 10
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 0 0 5 10 5 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) 12.3 11.9 11.8 11.7 11.3 10.9 11.6 12.7 12.7 12.4 12.0 11.7 11.5 11.4 11.5 11.7 11.7
...BLUE MOUNTAINS (4,000 FT TO 6,000 FT)...
DATE TUESDAY 08/19/25 WEDNESDAY 08/20/25
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 FW SC SC FW CL CL FW FW FW FW FW CL CL CL CL CL
CLOUD COVER (%) 15 10 25 25 10 5 0 20 25 15 5 5 5 5 0 0 5
TEMPERATURE 72 63 58 55 52 57 69 75 74 64 59 55 52 57 66 72 72
MIN/MAX TEMP 52 76 52 73
WIND DIR NW NW NW NW NW N NW NW NW NW NW W W W W NW NW
WIND (MPH) 6 4 3 2 2 2 3 5 6 5 3 3 3 4 5 6 6
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 0 0 0 20 10 5 5 0 0 0 0 0
PRECIP TYPE R 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) 12.3 12.1 11.8 11.7 11.4 11.1 10.9 11.7 12.5 12.5 12.0 11.7 11.6 11.5 11.3 11.3 11.1
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN