Avalanche Weather Guidance
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
054
FWUS46 KPDT 181056
AVGPDT
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PDT FRI APR 18 2025
...BROKEN TOP...
DATE FRIDAY 04/18/25 SATURDAY 04/19/25
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 CL FW FW SC BK OV OV SC FW FW FW FW SC SC
CLOUD COVER (%) 5 10 5 5 10 15 30 60 85 80 30 15 10 15 15 30 35
TEMPERATURE 23 28 36 41 43 38 33 33 32 32 37 39 39 32 29 27 25
MAX/MIN TEMP 44 31 41 24
WIND DIR E E NE NE N NW NW W W W NW NW W W W W W
WIND (MPH) 4 6 8 6 5 5 5 6 6 6 9 12 13 9 8 9 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 5 5 30 30 5 5 5 5 0 0 0
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) 4.2 5.0 5.8 6.5 7.0 7.1 7.0 6.8 6.4 6.8 6.9 6.8 6.6 5.6 4.8 4.4 4.0
...TAM MCARTHUR RIM...
DATE FRIDAY 04/18/25 SATURDAY 04/19/25
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 CL FW FW SC BK OV OV SC FW FW FW FW SC SC
CLOUD COVER (%) 5 10 5 5 10 15 30 60 80 80 30 15 10 10 15 25 30
TEMPERATURE 24 28 36 42 44 39 34 34 33 34 38 41 41 33 31 28 26
MAX/MIN TEMP 45 32 43 26
WIND DIR E E E NE N NW W W W W NW NW W W W W W
WIND (MPH) 3 5 8 6 5 5 6 6 6 6 9 11 13 10 8 9 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 5 5 30 30 5 5 5 5 0 0 0
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) 4.2 5.0 5.8 6.4 7.0 7.1 7.0 6.8 6.4 6.9 7.0 6.9 6.7 5.6 4.9 4.5 4.0
...NEWBERRY CRATER...
DATE FRIDAY 04/18/25 SATURDAY 04/19/25
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 CL FW FW FW SC OV OV BK SC FW FW FW FW FW
CLOUD COVER (%) 5 5 0 5 10 15 20 45 75 90 55 30 15 10 10 20 20
TEMPERATURE 26 29 37 43 46 40 35 34 33 34 37 42 44 37 31 29 27
MAX/MIN TEMP 47 32 45 27
WIND DIR NE E NE N N N NW W NW NW W NW NW NW W W W
WIND (MPH) 6 5 6 8 6 5 5 6 8 6 9 12 13 10 9 9 8
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 10 5 5 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.01 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) 3.8 4.7 5.8 6.6 6.8 6.5 6.5 6.6 6.5 6.8 7.1 7.3 7.2 6.3 5.3 4.6 4.3
...WALLOWA MOUNTAINS (8,000 FT TO 9,000 FT)...
DATE FRIDAY 04/18/25 SATURDAY 04/19/25
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 SC BK OV OV OV BK SC FW FW SC
CLOUD COVER (%) 5 5 5 5 15 10 15 30 50 80 85 85 50 35 20 20 30
TEMPERATURE 17 23 29 34 36 31 29 28 27 32 37 37 37 32 29 27 25
MAX/MIN TEMP 37 27 39 25
WIND DIR N N NE N N W W W W W W NW NW W W W W
WIND (MPH) 9 11 10 9 6 6 8 9 8 8 10 9 10 9 10 8 9
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 20 20 30 30 5 5 0 0 5
PRECIP TYPE S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.01 0.02 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 3.6 4.4 5.2 5.4 5.3 5.3 5.4 5.9 6.4 6.8 7.0 6.9 6.5 5.4 5.0 4.5
...SALT CREEK AREA (5,000 FT TO 7,000 FT)...
DATE FRIDAY 04/18/25 SATURDAY 04/19/25
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 SC BK OV OV OV BK SC FW FW SC
CLOUD COVER (%) 5 5 5 5 15 10 15 35 55 75 85 80 55 35 20 20 30
TEMPERATURE 24 29 38 44 44 35 32 31 30 37 44 45 44 37 34 31 29
MAX/MIN TEMP 45 30 46 29
WIND DIR NW N N N N W SW SW SW S SW SW NW NW W W W
WIND (MPH) 8 10 10 8 5 4 5 5 4 5 8 6 6 4 5 4 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 20 20 30 30 5 5 0 0 5
PRECIP TYPE S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.01 0.03 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 3.6 4.4 5.1 5.4 5.2 5.1 5.1 5.3 6.0 6.5 6.8 7.0 6.6 5.6 4.9 4.5
...CLEAR CREEK AREA (6,000 FT TO 8,000 FT)...
DATE FRIDAY 04/18/25 SATURDAY 04/19/25
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 FW FW FW FW SC BK OV OV OV BK SC FW FW FW
CLOUD COVER (%) 5 5 5 5 15 5 15 30 50 75 85 80 50 35 20 15 25
TEMPERATURE 20 24 33 38 40 33 30 28 27 32 38 40 40 34 30 28 27
MAX/MIN TEMP 40 27 41 27
WIND DIR N N N N N NW W W W W SW W NW NW W W NW
WIND (MPH) 11 12 11 8 6 6 6 6 5 5 8 9 8 6 8 6 8
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 20 20 30 30 5 5 0 0 5
PRECIP TYPE S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.01 0.01 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) 2.8 3.7 4.5 5.3 5.6 5.4 5.2 5.2 5.4 6.1 6.6 6.9 7.0 6.7 5.7 5.2 4.8
...CATHERINE CREEK AREA (6,000 FT TO 8,000 FT)...
DATE FRIDAY 04/18/25 SATURDAY 04/19/25
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 FW SC BK OV OV OV SC SC FW FW FW
CLOUD COVER (%) 5 5 5 5 10 5 15 30 55 80 90 80 50 30 15 15 25
TEMPERATURE 22 27 35 40 41 34 31 31 31 35 39 39 40 35 31 29 28
MAX/MIN TEMP 42 30 41 28
WIND DIR NE NE N N NW N NW NW NW NW NW NW NW NW NW NW NW
WIND (MPH) 6 8 6 6 6 5 5 5 5 6 9 9 10 9 9 8 9
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 20 20 20 20 5 5 0 0 5
PRECIP TYPE S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.02 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 3.9 4.7 5.5 5.7 5.6 5.5 5.4 5.7 6.1 6.4 6.7 6.9 6.3 5.3 4.9 4.2
...NORWAY AREA (7,000 FT TO 10,000 FT)...
DATE FRIDAY 04/18/25 SATURDAY 04/19/25
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 FW FW FW FW SC SC OV OV OV SC SC FW FW FW
CLOUD COVER (%) 5 5 5 10 15 5 15 30 45 75 85 80 45 30 15 15 25
TEMPERATURE 16 20 28 32 34 30 27 27 26 30 34 34 35 31 27 25 25
MAX/MIN TEMP 35 26 36 25
WIND DIR N N N N NW NW W NW NW W W W NW NW NW W NW
WIND (MPH) 13 13 11 8 6 8 8 9 8 9 11 11 11 10 11 10 12
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 20 20 30 30 5 5 0 0 5
PRECIP TYPE S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.01 0.02 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.1 0.1 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.2 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 3.7 4.6 5.4 5.7 5.5 5.2 5.3 5.6 6.3 6.8 7.0 6.9 6.6 5.5 5.2 4.7
...ANTHONY LAKES AREA (8,000 FT TO 10,000 FT)...
DATE FRIDAY 04/18/25 SATURDAY 04/19/25
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 CL FW FW FW SC BK OV OV OV SC FW FW FW FW
CLOUD COVER (%) 5 5 5 5 15 10 20 45 65 85 85 75 45 20 15 15 20
TEMPERATURE 19 24 31 37 40 34 31 30 30 33 36 37 38 33 30 27 25
MAX/MIN TEMP 42 29 40 25
WIND DIR NE NE NE N NW NW NW W W W W W W W W W W
WIND (MPH) 8 10 10 9 6 6 6 6 8 9 9 11 13 11 10 10 8
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 10 20 20 5 5 0 0 0
PRECIP TYPE S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.01 0.02 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.1 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 3.3 4.2 4.9 5.8 6.1 5.8 5.7 5.9 6.0 6.3 6.6 6.9 7.0 6.2 5.1 4.6 4.2
...BLUE MOUNTAINS (4,000 FT TO 6,000 FT)...
DATE FRIDAY 04/18/25 SATURDAY 04/19/25
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 FW FW FW FW FW SC OV OV OV BK SC FW FW SC SC
CLOUD COVER (%) 5 5 10 15 15 10 25 40 75 90 80 65 30 25 25 25 35
TEMPERATURE 30 36 45 50 50 42 39 37 37 39 44 47 48 42 37 33 31
MAX/MIN TEMP 51 36 49 31
WIND DIR NE E E N W W SW SW W W W W W W W W W
WIND (MPH) 3 3 3 4 4 3 4 5 6 8 9 10 10 8 8 8 4
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 20 20 20 20 5 5 5 5 5
PRECIP TYPE S S 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
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) 3.4 4.3 5.1 5.7 5.8 5.6 5.7 6.0 6.1 5.8 6.2 6.4 6.2 5.6 4.9 3.9 3.5
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN