Avalanche Weather Guidance
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
735
FWUS46 KPDT 171056
AVGPDT
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PDT THU APR 17 2025
...BROKEN TOP...
DATE THURSDAY 04/17/25 FRIDAY 04/18/25
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 CL CL CL CL CL CL CL CL CL CL CL CL FW CL FW SC BK
CLOUD COVER (%) 5 5 0 0 5 5 5 5 5 5 5 0 5 5 15 40 60
TEMPERATURE 20 22 30 36 37 31 26 25 24 28 36 41 43 37 31 29 28
MAX/MIN TEMP 37 24 45 28
WIND DIR NE NE NE NE NE NE NE NE E E E NE N N W W W
WIND (MPH) 14 16 16 16 16 13 10 8 8 9 12 11 9 8 6 8 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
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
12 HOUR SNOW 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) 2.4 3.1 4.0 4.6 4.7 4.1 3.8 3.7 3.6 4.6 4.7 5.6 6.2 6.2 5.7 5.1 4.9
...TAM MCARTHUR RIM...
DATE THURSDAY 04/17/25 FRIDAY 04/18/25
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 CL CL CL CL CL CL CL CL CL CL CL CL FW CL FW SC BK
CLOUD COVER (%) 5 5 0 0 5 5 5 5 5 5 5 0 5 5 15 35 60
TEMPERATURE 21 23 31 37 38 31 26 26 25 29 37 42 44 37 32 31 29
MAX/MIN TEMP 38 25 45 29
WIND DIR NE NE NE NE NE NE NE E E E E NE N N W W W
WIND (MPH) 13 14 16 16 16 13 9 6 6 8 12 11 10 8 8 8 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
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
12 HOUR SNOW 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) 2.4 3.1 4.0 4.6 4.7 4.1 3.8 3.7 3.6 4.6 4.6 5.6 6.2 6.1 5.8 5.1 4.9
...NEWBERRY CRATER...
DATE THURSDAY 04/17/25 FRIDAY 04/18/25
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 CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW SC BK
CLOUD COVER (%) 5 5 0 0 5 5 5 5 5 5 5 0 5 5 15 30 60
TEMPERATURE 23 25 32 38 39 34 29 28 27 29 37 43 46 40 34 32 30
MAX/MIN TEMP 40 26 47 30
WIND DIR NE NE NE N N N NE NE NE E NE N N N NW W W
WIND (MPH) 14 13 14 14 16 13 10 9 9 9 11 9 10 8 6 6 8
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
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
12 HOUR SNOW 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) 2.6 3.3 4.3 4.9 4.9 4.3 3.7 3.6 3.6 4.3 4.5 5.6 6.1 6.0 5.8 5.1 4.9
...WALLOWA MOUNTAINS (8,000 FT TO 9,000 FT)...
DATE THURSDAY 04/17/25 FRIDAY 04/18/25
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 SC BK BK FW CL CL CL CL CL FW FW FW FW SC
CLOUD COVER (%) 70 40 15 25 55 60 20 5 5 5 5 5 5 5 5 15 30
TEMPERATURE 15 17 24 29 28 25 22 20 18 22 29 34 35 30 27 27 26
MAX/MIN TEMP 30 18 37 25
WIND DIR N N N N N N N N N N N N N N SW SW SW
WIND (MPH) 27 27 31 32 29 23 14 12 12 12 14 14 13 10 12 13 11
WIND GUST (MPH) 44 47 50 51 49
PRECIP PROB (%) 20 0 0 0 10 10 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S S S
6 HOUR QPF 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.5 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) 2.9 3.3 3.6 3.8 3.9 3.7 3.4 2.9 2.5 3.2 3.3 4.1 5.0 5.0 4.6 4.2 4.0
...SALT CREEK AREA (5,000 FT TO 7,000 FT)...
DATE THURSDAY 04/17/25 FRIDAY 04/18/25
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 SC SC FW CL CL CL CL CL FW CL CL FW SC
CLOUD COVER (%) 60 35 10 25 50 50 15 5 5 5 5 5 5 5 5 20 30
TEMPERATURE 23 24 33 38 36 30 27 25 24 28 37 43 43 35 30 29 27
MAX/MIN TEMP 39 23 45 27
WIND DIR N N N N N N N N N N N N N NW SW SW SW
WIND (MPH) 23 25 25 24 23 18 13 12 11 11 13 12 11 8 9 9 6
WIND GUST (MPH) 40 42
PRECIP PROB (%) 20 0 0 0 20 20 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S S S
6 HOUR QPF 0.02 0.01 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.2 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) 2.9 3.3 3.6 3.9 4.0 3.7 3.3 2.9 2.5 3.3 3.4 4.1 5.0 4.9 4.7 4.0 3.8
...CLEAR CREEK AREA (6,000 FT TO 8,000 FT)...
DATE THURSDAY 04/17/25 FRIDAY 04/18/25
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 FW FW CL FW SC FW FW CL CL CL CL CL CL CL CL FW SC
CLOUD COVER (%) 20 10 5 10 30 25 5 0 5 5 5 5 5 5 5 20 25
TEMPERATURE 17 21 28 33 33 27 24 22 21 25 33 37 40 33 27 26 26
MAX/MIN TEMP 35 20 41 26
WIND DIR N N N N N N N N N N N N N N W W W
WIND (MPH) 26 28 29 27 24 21 18 17 16 16 16 13 12 10 12 11 8
WIND GUST (MPH) 44 48 48 46
PRECIP PROB (%) 5 0 0 0 20 20 0 0 0 0 0 0 0 0 0 0 5
PRECIP TYPE S S
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
12 HOUR SNOW 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) 2.9 3.2 3.7 4.0 4.0 3.7 3.3 2.7 2.4 3.3 3.4 4.3 5.2 5.0 4.8 4.1 3.9
...CATHERINE CREEK AREA (6,000 FT TO 8,000 FT)...
DATE THURSDAY 04/17/25 FRIDAY 04/18/25
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 FW FW CL FW SC FW CL CL CL CL CL CL CL CL CL FW SC
CLOUD COVER (%) 25 5 5 10 30 20 5 0 5 5 5 5 5 5 5 15 35
TEMPERATURE 18 21 29 34 34 28 25 23 22 27 35 40 41 34 29 29 28
MAX/MIN TEMP 36 22 42 28
WIND DIR N N N N N N NE NE NE NE N N N NE E NW W
WIND (MPH) 21 23 21 20 19 16 13 11 10 10 10 10 10 9 9 8 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 20 20 0 0 0 0 0 0 0 0 0 0 5
PRECIP TYPE S S
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
12 HOUR SNOW 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) 2.9 3.3 3.8 4.0 4.1 3.7 3.3 2.9 2.4 3.4 3.6 4.4 5.2 4.9 4.8 4.4 4.2
...NORWAY AREA (7,000 FT TO 10,000 FT)...
DATE THURSDAY 04/17/25 FRIDAY 04/18/25
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 FW FW CL FW SC SC CL CL CL CL CL CL FW CL CL FW FW
CLOUD COVER (%) 20 10 5 10 25 30 5 0 5 5 5 5 5 5 5 15 25
TEMPERATURE 14 18 23 27 28 23 20 19 18 21 28 32 34 29 26 25 24
MAX/MIN TEMP 29 17 35 24
WIND DIR N N N N N N N N N N N N N N NW NW W
WIND (MPH) 33 34 31 29 27 25 21 20 18 18 16 13 14 13 14 13 11
WIND GUST (MPH) 52 52 49 47 44
PRECIP PROB (%) 10 0 0 0 20 20 0 0 0 0 0 0 0 0 0 0 5
PRECIP TYPE S S S
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
12 HOUR SNOW 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) 2.9 3.2 3.8 4.0 4.0 3.7 3.3 2.7 2.4 3.3 3.4 4.3 5.2 5.1 4.8 4.2 4.0
...ANTHONY LAKES AREA (8,000 FT TO 10,000 FT)...
DATE THURSDAY 04/17/25 FRIDAY 04/18/25
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 FW FW CL FW FW FW FW CL CL CL CL CL CL CL FW FW SC
CLOUD COVER (%) 25 10 5 15 25 20 10 5 5 5 5 5 5 5 5 20 50
TEMPERATURE 14 17 27 32 31 26 25 23 22 26 32 37 40 33 29 28 27
MAX/MIN TEMP 34 22 41 27
WIND DIR N N N N N N NE N N N N N N NW W W SW
WIND (MPH) 24 23 23 23 21 16 12 11 10 12 13 12 11 9 8 8 8
WIND GUST (MPH) 41
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
PRECIP TYPE
6 HOUR QPF 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.2 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) 2.8 3.4 4.0 4.7 4.5 4.0 3.6 3.2 2.8 3.6 3.7 4.6 5.4 5.3 5.2 4.5 4.3
...BLUE MOUNTAINS (4,000 FT TO 6,000 FT)...
DATE THURSDAY 04/17/25 FRIDAY 04/18/25
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 FW CL CL FW FW FW CL CL CL CL CL FW FW CL FW FW BK
CLOUD COVER (%) 5 0 5 15 25 10 5 0 5 5 5 10 5 5 15 15 50
TEMPERATURE 26 31 40 44 43 37 33 31 30 35 45 49 49 42 36 34 33
MAX/MIN TEMP 45 29 50 33
WIND DIR N NE N N N N NE NE NE E NE NW NW W S SW SW
WIND (MPH) 6 8 11 13 13 8 5 4 4 4 5 6 6 4 4 5 4
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
PRECIP TYPE S
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
12 HOUR SNOW 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) 2.6 3.4 4.0 4.2 4.2 4.0 3.6 3.1 2.7 3.7 3.8 4.6 5.2 5.2 5.1 4.5 4.3
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN