Avalanche Weather Guidance
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
250
FWUS46 KPDT 192156
AVGPDT
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
256 PM PDT TUE AUG 19 2025
...BROKEN TOP...
DATE WEDNESDAY 08/20/25 THURSDAY 08/21/25
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 FW FW FW CL FW FW FW FW CL FW FW CL CL CL CL
CLOUD COVER (%) 45 40 10 5 10 5 10 25 15 10 5 5 5 5 0 5 5
TEMPERATURE 61 52 49 47 45 48 56 61 61 54 49 48 47 51 60 67 68
MIN/MAX TEMP 44 62 47 69
WIND DIR W W W W W W W NW NW N N N SE E E E NE
WIND (MPH) 8 5 4 4 3 3 3 4 5 5 4 3 3 4 5 5 6
WIND GUST (MPH)
PRECIP PROB (%) 10 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) 12.0 11.9 11.0 10.8 11.0 11.0 11.2 11.5 11.6 11.5 11.1 10.9 10.7 10.8 11.1 11.8 12.2
...TAM MCARTHUR RIM...
DATE WEDNESDAY 08/20/25 THURSDAY 08/21/25
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 FW FW FW CL FW SC FW FW CL FW FW CL CL CL FW
CLOUD COVER (%) 45 45 10 5 10 5 15 30 20 10 5 5 5 5 0 5 5
TEMPERATURE 62 54 50 47 46 49 57 62 62 55 50 48 48 52 61 68 69
MIN/MAX TEMP 45 63 47 70
WIND DIR W SW SW W W W N NW N N N NW SE E E E NE
WIND (MPH) 8 6 4 4 4 3 3 4 5 5 4 3 3 4 5 5 8
WIND GUST (MPH)
PRECIP PROB (%) 10 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) 12.0 12.0 11.0 10.8 11.0 11.0 11.3 11.6 11.6 11.5 11.1 10.9 10.7 10.8 11.1 11.7 12.2
...NEWBERRY CRATER...
DATE WEDNESDAY 08/20/25 THURSDAY 08/21/25
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 FW FW FW CL FW FW FW FW FW CL FW CL CL CL CL
CLOUD COVER (%) 20 15 5 10 15 5 5 10 20 10 5 5 10 5 0 5 5
TEMPERATURE 66 58 51 49 48 49 57 64 65 59 52 51 50 52 62 69 72
MIN/MAX TEMP 47 66 49 72
WIND DIR NW NW NW NW NW SW W W N N N NE NE E E E NE
WIND (MPH) 6 8 6 5 4 3 4 5 6 6 9 6 4 5 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 10 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) 12.2 12.0 11.5 11.3 11.1 10.7 11.2 11.9 12.1 11.9 11.6 11.4 11.3 11.3 11.3 12.0 12.3
...WALLOWA MOUNTAINS (8,000 FT TO 9,000 FT)...
DATE WEDNESDAY 08/20/25 THURSDAY 08/21/25
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 FW FW FW FW CL FW FW FW FW FW FW FW CL CL FW FW
CLOUD COVER (%) 60 20 10 10 15 5 5 10 10 10 5 5 10 5 0 5 5
TEMPERATURE 68 57 51 49 47 51 57 62 61 53 48 45 44 49 58 63 64
MIN/MAX TEMP 46 63 44 65
WIND DIR NW NW NW NW W N N N N NW NW NW W NE NE N N
WIND (MPH) 6 8 8 6 5 6 6 8 10 9 6 5 4 4 4 5 6
WIND GUST (MPH)
PRECIP PROB (%) 10 5 5 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) 12.8 12.6 12.4 12.2 11.9 11.4 12.0 12.1 12.1 11.5 10.9 10.6 10.3 10.0 10.3 10.9 11.3
...SALT CREEK AREA (5,000 FT TO 7,000 FT)...
DATE WEDNESDAY 08/20/25 THURSDAY 08/21/25
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 FW FW FW FW CL FW FW FW FW CL FW CL CL CL FW
CLOUD COVER (%) 60 30 10 10 15 5 5 10 10 10 5 5 5 5 0 5 5
TEMPERATURE 76 65 58 54 52 57 66 70 70 61 55 51 49 55 66 71 73
MIN/MAX TEMP 51 71 49 73
WIND DIR NW NW NW NW NW N N N NW NW NW NW NW N NE N N
WIND (MPH) 6 9 9 8 6 5 5 6 9 9 8 6 5 5 5 5 6
WIND GUST (MPH)
PRECIP PROB (%) 10 5 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) 12.7 12.6 12.4 12.3 12.0 11.5 11.8 12.2 12.2 11.8 11.1 10.7 10.3 10.1 10.1 10.8 11.3
...CLEAR CREEK AREA (6,000 FT TO 8,000 FT)...
DATE WEDNESDAY 08/20/25 THURSDAY 08/21/25
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 FW FW FW FW CL FW FW FW FW FW CL FW CL CL CL FW
CLOUD COVER (%) 65 25 10 10 15 5 5 10 10 10 5 5 10 5 0 5 5
TEMPERATURE 73 64 57 54 52 57 65 69 68 59 53 50 48 54 64 69 70
MIN/MAX TEMP 51 69 48 71
WIND DIR W N N N N NE SE SW N N N N N N NE N N
WIND (MPH) 8 9 9 8 6 6 6 8 9 10 9 6 6 5 5 6 8
WIND GUST (MPH)
PRECIP PROB (%) 10 5 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) 12.7 12.6 12.4 12.3 12.0 11.4 11.5 11.9 12.1 11.8 11.1 10.8 10.4 10.1 10.2 11.0 11.5
...CATHERINE CREEK AREA (6,000 FT TO 8,000 FT)...
DATE WEDNESDAY 08/20/25 THURSDAY 08/21/25
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 CL CL CL FW FW CL CL FW CL CL CL CL
CLOUD COVER (%) 35 15 5 10 15 5 5 5 5 10 5 5 5 5 0 5 5
TEMPERATURE 72 62 56 53 51 55 63 67 66 57 53 50 48 53 63 68 70
MIN/MAX TEMP 50 67 48 70
WIND DIR NW N NE NE NE NW NW NW NW N N NE NE NE NW NW N
WIND (MPH) 6 10 9 8 6 8 8 10 10 10 8 5 5 4 5 6 8
WIND GUST (MPH)
PRECIP PROB (%) 10 5 5 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) 12.5 12.4 12.3 12.1 11.6 11.2 11.1 11.3 11.4 11.1 10.8 10.5 10.1 9.9 10.2 11.1 11.5
...NORWAY AREA (7,000 FT TO 10,000 FT)...
DATE WEDNESDAY 08/20/25 THURSDAY 08/21/25
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 FW FW FW FW CL FW FW FW FW FW CL FW CL CL CL FW
CLOUD COVER (%) 60 20 10 10 15 5 5 10 10 10 5 5 10 5 0 5 5
TEMPERATURE 68 60 55 51 50 54 61 64 63 54 50 48 46 52 60 64 65
MIN/MAX TEMP 50 64 46 65
WIND DIR W N N N NW SW SW SW NW N N N N N NE N N
WIND (MPH) 8 11 11 10 9 8 8 9 11 11 10 9 8 6 5 6 9
WIND GUST (MPH)
PRECIP PROB (%) 10 5 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) 12.7 12.6 12.4 12.3 11.9 11.3 11.4 11.7 12.0 11.6 11.0 10.7 10.4 10.1 10.3 11.1 11.5
...ANTHONY LAKES AREA (8,000 FT TO 10,000 FT)...
DATE WEDNESDAY 08/20/25 THURSDAY 08/21/25
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 CL FW FW CL CL FW FW FW CL CL CL CL CL CL CL
CLOUD COVER (%) 20 10 5 5 10 5 5 5 5 10 5 5 5 5 5 5 5
TEMPERATURE 65 53 50 48 47 48 57 60 60 51 48 46 44 47 58 63 65
MIN/MAX TEMP 45 62 43 66
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW N N N N
WIND (MPH) 9 9 9 9 8 8 9 10 10 9 6 6 5 4 5 5 8
WIND GUST (MPH)
PRECIP PROB (%) 10 5 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) 12.8 12.5 11.9 11.6 11.2 11.0 11.3 11.5 11.3 11.0 10.8 10.4 9.9 9.9 10.0 10.7 11.0
...BLUE MOUNTAINS (4,000 FT TO 6,000 FT)...
DATE WEDNESDAY 08/20/25 THURSDAY 08/21/25
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 FW FW FW CL CL CL FW FW CL CL CL CL CL CL CL
CLOUD COVER (%) 25 10 5 10 10 5 0 5 5 10 5 5 5 5 0 0 5
TEMPERATURE 73 64 59 55 52 56 66 71 70 62 57 54 51 57 69 75 76
MIN/MAX TEMP 51 71 51 77
WIND DIR NW NW NW W W W W NW NW NW NW NW NE E N N N
WIND (MPH) 6 4 3 3 3 4 5 6 6 4 3 3 3 2 3 4 5
WIND GUST (MPH)
PRECIP PROB (%) 20 10 5 5 0 0 0 0 0 0 0 0 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) 12.6 12.6 12.1 11.6 11.3 11.2 11.0 10.8 10.8 10.8 10.6 9.9 9.6 9.4 9.5 9.8 10.1
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN