Avalanche Weather Guidance
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
690
FWUS46 KPDT 202156
AVGPDT
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
256 PM PDT WED AUG 20 2025
...BROKEN TOP...
DATE THURSDAY 08/21/25 FRIDAY 08/22/25
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 FW FW CL CL CL CL
CLOUD COVER (%) 15 5 5 5 10 0 0 5 5 10 5 5 5 5 5 5 5
TEMPERATURE 61 55 49 48 48 52 60 67 68 60 54 54 53 56 65 72 74
MIN/MAX TEMP 47 69 52 75
WIND DIR N NE NE E SE SE SE E NE NE N NE E E E E NE
WIND (MPH) 6 5 4 3 4 4 5 5 8 9 11 9 8 9 10 8 8
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) 11.3 11.1 10.9 10.4 10.2 10.3 11.1 11.8 12.0 12.0 11.9 12.0 12.1 11.9 12.0 12.2 12.5
...TAM MCARTHUR RIM...
DATE THURSDAY 08/21/25 FRIDAY 08/22/25
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 FW FW FW CL FW FW CL CL CL CL
CLOUD COVER (%) 20 5 5 5 10 0 0 5 5 10 5 5 5 5 0 5 5
TEMPERATURE 63 55 50 48 49 53 62 68 69 61 55 54 53 57 66 73 74
MIN/MAX TEMP 48 70 52 75
WIND DIR N NE NE SE SE SE E E NE NE N N E E E E NE
WIND (MPH) 5 5 4 3 3 4 5 5 8 10 12 10 8 9 9 6 8
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) 11.4 11.1 10.9 10.4 10.2 10.3 11.1 11.8 11.9 12.0 11.9 12.0 12.1 11.9 12.0 12.2 12.5
...NEWBERRY CRATER...
DATE THURSDAY 08/21/25 FRIDAY 08/22/25
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 FW CL FW FW FW CL FW CL CL FW FW
CLOUD COVER (%) 5 5 5 5 15 5 5 5 5 10 5 5 10 5 0 5 5
TEMPERATURE 64 59 52 51 50 52 61 69 72 65 58 57 56 56 67 75 78
MIN/MAX TEMP 49 72 55 78
WIND DIR N N NE NE E SE SE SE E NE N NE E E E SE NE
WIND (MPH) 8 8 8 5 4 5 5 4 4 8 10 10 9 8 8 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) 11.7 11.7 11.5 11.1 10.9 10.9 11.2 11.9 12.2 12.2 12.2 12.1 12.1 12.0 11.9 12.2 12.5
...WALLOWA MOUNTAINS (8,000 FT TO 9,000 FT)...
DATE THURSDAY 08/21/25 FRIDAY 08/22/25
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 FW FW FW FW FW FW CL CL FW CL
CLOUD COVER (%) 5 5 5 5 10 5 5 10 10 10 5 5 10 5 0 5 5
TEMPERATURE 61 52 47 45 45 48 57 63 64 55 50 50 48 53 63 69 69
MIN/MAX TEMP 43 64 48 70
WIND DIR NW NW NW NW NW NE NE N N N N SW SW NE NE N N
WIND (MPH) 10 8 6 5 4 4 5 6 6 5 5 6 5 4 3 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) 11.9 11.3 10.7 10.1 9.7 9.6 10.8 11.6 11.7 11.2 10.8 10.7 10.5 10.3 10.7 11.8 12.2
...SALT CREEK AREA (5,000 FT TO 7,000 FT)...
DATE THURSDAY 08/21/25 FRIDAY 08/22/25
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 FW FW FW FW CL FW CL CL CL CL
CLOUD COVER (%) 5 5 10 5 10 5 5 10 5 10 5 5 5 5 0 5 5
TEMPERATURE 69 60 54 51 49 55 66 71 72 63 57 55 53 59 72 77 78
MIN/MAX TEMP 49 73 53 79
WIND DIR NW NW NW NW NW N N N N N NW NW NW N NE N N
WIND (MPH) 10 9 8 6 5 5 5 5 6 8 8 6 5 4 4 4 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) 12.0 11.6 10.9 10.2 9.8 9.5 10.5 11.4 11.5 11.2 10.7 10.6 10.6 10.3 10.5 11.6 12.2
...CLEAR CREEK AREA (6,000 FT TO 8,000 FT)...
DATE THURSDAY 08/21/25 FRIDAY 08/22/25
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 FW FW FW FW CL FW CL CL CL FW
CLOUD COVER (%) 5 5 10 10 10 5 5 10 10 10 5 5 10 5 0 5 5
TEMPERATURE 68 59 53 50 49 54 64 69 70 62 56 54 53 58 69 74 75
MIN/MAX TEMP 48 70 52 76
WIND DIR N N N N N NE E SE E N N N N N E NW N
WIND (MPH) 10 9 8 6 5 4 5 6 6 9 9 8 6 5 4 5 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) 11.9 11.6 11.0 10.3 9.7 9.6 10.7 11.5 11.6 11.1 10.8 10.7 10.6 10.4 10.7 11.8 12.3
...CATHERINE CREEK AREA (6,000 FT TO 8,000 FT)...
DATE THURSDAY 08/21/25 FRIDAY 08/22/25
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 CL FW FW CL FW CL CL FW FW FW FW CL FW CL CL CL CL
CLOUD COVER (%) 5 5 5 5 10 0 5 10 10 10 5 5 5 5 0 5 5
TEMPERATURE 66 57 52 49 48 53 63 69 70 61 56 54 53 57 69 74 75
MIN/MAX TEMP 47 70 53 76
WIND DIR NW N NE NE E S W NW NW N NE NE NE NE W NW NW
WIND (MPH) 10 9 8 5 5 4 5 6 6 8 6 6 5 4 4 6 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) 11.4 11.0 10.6 9.9 9.4 9.4 10.3 11.3 11.3 11.0 10.8 10.7 10.6 10.3 10.9 11.9 12.3
...NORWAY AREA (7,000 FT TO 10,000 FT)...
DATE THURSDAY 08/21/25 FRIDAY 08/22/25
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 FW
CLOUD COVER (%) 10 5 10 10 10 5 5 15 10 10 5 5 10 5 0 5 5
TEMPERATURE 63 55 50 48 46 51 59 64 65 58 53 52 51 56 65 69 70
MIN/MAX TEMP 46 65 50 71
WIND DIR NW N N N N NE S S SE N N N N N SE W N
WIND (MPH) 11 11 9 8 6 5 5 8 8 10 10 9 6 5 4 5 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) 11.8 11.4 10.9 10.2 9.7 9.7 10.9 11.6 11.7 11.1 10.8 10.8 10.6 10.4 10.9 11.9 12.3
...ANTHONY LAKES AREA (8,000 FT TO 10,000 FT)...
DATE THURSDAY 08/21/25 FRIDAY 08/22/25
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 CL FW CL FW FW CL CL CL FW FW CL CL FW CL CL CL CL
CLOUD COVER (%) 5 5 5 5 5 5 5 5 5 10 5 5 5 5 0 5 5
TEMPERATURE 60 50 47 46 45 47 59 64 65 55 52 51 49 52 64 69 70
MIN/MAX TEMP 43 66 49 71
WIND DIR NW NW NW NW N NE N N N N NW NW W N NE N N
WIND (MPH) 10 8 6 5 4 4 5 6 8 6 5 4 4 3 4 5 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) 11.2 10.9 10.4 9.5 9.1 9.2 10.3 11.1 11.2 11.2 11.0 10.7 10.4 10.5 10.9 11.6 12.2
...BLUE MOUNTAINS (4,000 FT TO 6,000 FT)...
DATE THURSDAY 08/21/25 FRIDAY 08/22/25
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 CL CL FW FW FW CL CL CL FW FW CL CL CL CL CL CL CL
CLOUD COVER (%) 5 5 5 5 10 5 0 5 5 10 5 5 5 5 5 0 0
TEMPERATURE 70 62 56 54 52 57 69 75 75 65 60 57 55 60 74 81 82
MIN/MAX TEMP 51 76 55 83
WIND DIR NW NW NW N NE E NE N N N NE NE E E N N N
WIND (MPH) 6 3 3 3 3 3 4 5 5 4 4 5 5 3 3 4 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) 10.6 10.4 9.9 9.3 9.1 9.0 9.5 9.9 10.0 9.8 9.8 9.8 9.7 9.8 10.2 10.7 11.2
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN