Avalanche Weather Guidance
Issued by NWS Pendleton, OR

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874
FWUS46 KPDT 292156
AVGPDT

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
256 PM PDT FRI AUG 29 2025


...BROKEN TOP...

DATE                                        SATURDAY 08/30/25                       SUNDAY 08/31/25
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   BK   SC   SC   BK   SC   SC   OV   OV   BK   SC   SC   SC   SC   SC   SC   SC
CLOUD COVER (%)    30   50   40   40   55   40   40   75   80   60   40   25   40   40   45   35   35
TEMPERATURE        64   56   53   53   52   54   62   66   65   57   54   53   53   54   62   67   66
MIN/MAX TEMP                           50                  68                  50                  69
WIND DIR            W   NW   NE    E    S    S    S   SW    W   NW   NW   NW   SW   SE   SE    S   NW
WIND (MPH)          6    5    4    3    3    3    3    4    5    5    5    4    3    4    4    4    5
WIND GUST (MPH)
PRECIP PROB (%)     5    5    0    0    0    0    5    5    5    5    0    0    0    0    5    5    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
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT) 11.9 11.8 11.6 11.3 11.2 10.9 11.4 12.0 11.9 12.1 12.0 11.7 11.6 11.6 11.5 12.1 12.4


...TAM MCARTHUR RIM...

DATE                                        SATURDAY 08/30/25                       SUNDAY 08/31/25
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   BK   SC   SC   BK   SC   SC   OV   OV   BK   SC   FW   SC   SC   SC   SC   SC
CLOUD COVER (%)    30   50   40   40   55   40   40   75   80   55   40   25   40   35   45   35   35
TEMPERATURE        66   58   54   53   52   55   63   68   66   58   55   53   53   55   63   68   68
MIN/MAX TEMP                           51                  69                  51                  70
WIND DIR            W    W   NE   SE    S    S    S    S    W   NW   NW    W   SW    S   SE    S   NW
WIND (MPH)          6    5    4    3    3    3    3    3    5    5    5    4    3    4    3    4    5
WIND GUST (MPH)
PRECIP PROB (%)     5    5    0    0    0    0    5    5    5    5    0    0    0    0    5    5    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
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT) 12.0 11.8 11.6 11.4 11.2 10.9 11.4 12.0 11.9 12.1 12.0 11.8 11.6 11.6 11.5 12.1 12.3


...NEWBERRY CRATER...

DATE                                        SATURDAY 08/30/25                       SUNDAY 08/31/25
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   SC   SC   SC   SC   OV   OV   BK   FW   FW   SC   SC   SC   SC   SC
CLOUD COVER (%)    30   45   30   30   45   40   30   75   70   65   25   20   40   40   35   30   35
TEMPERATURE        69   60   56   55   53   54   62   68   70   61   56   55   54   54   63   70   72
MIN/MAX TEMP                           52                  71                  53                  73
WIND DIR            W    N   NE   NE   SE    S    S   SW   SW   NW    N   NW   SE   SE    S    S   SW
WIND (MPH)          5    5    6    5    4    3    5    5    5    5    6    5    4    4    5    6    5
WIND GUST (MPH)
PRECIP PROB (%)     5    0    0    0    0    0    5    5    0    0    0    0    0    0    5    5    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
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT) 11.7 11.5 11.4 11.3 11.2 11.2 11.7 12.1 12.2 12.2 12.0 12.0 11.7 11.4 11.6 12.1 12.3


...WALLOWA MOUNTAINS (8,000 FT TO 9,000 FT)...

DATE                                        SATURDAY 08/30/25                       SUNDAY 08/31/25
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   SC   FW   FW   SC   SC   FW   SC   SC   SC   FW   FW   FW   SC
CLOUD COVER (%)    45   45   20   15   25   10   20   45   40   25   30   30   25   15   15   25   35
TEMPERATURE        63   56   52   51   51   55   63   66   65   58   55   55   55   58   65   68   67
MIN/MAX TEMP                           50                  67                  54                  69
WIND DIR           NW   NE    W    W   SW    S    S   SW    S    S    S    S    S    S    S    S    S
WIND (MPH)          4    4    4    5    5    3    4    4    4    5    6    8    8    8    8    8    6
WIND GUST (MPH)
PRECIP PROB (%)    20    5    0    0    0    0    5    5    0    0    0    0    0    0    0    0    0
PRECIP TYPE         T
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 11.8 11.6 11.5 11.4 11.4 11.8 12.0 12.1 12.1 11.9 11.8 11.7 11.7 11.8 12.1 12.3


...SALT CREEK AREA (5,000 FT TO 7,000 FT)...

DATE                                        SATURDAY 08/30/25                       SUNDAY 08/31/25
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   SC   FW   SC   SC   FW   FW   FW   FW   SC
CLOUD COVER (%)    35   40   15   15   25    5   10   35   30   20   25   30   25   10   10   20   35
TEMPERATURE        71   62   59   58   57   62   72   74   73   64   61   60   59   64   74   76   75
MIN/MAX TEMP                           56                  75                  58                  77
WIND DIR           NW   NW    W    W   SW    S    S    S    S    S   SW   SW   SW    S    S    S    S
WIND (MPH)          5    5    5    5    4    3    4    5    5    5    5    6    6    5    6    6    6
WIND GUST (MPH)
PRECIP PROB (%)    20    0    0    0    0    0    0    5    0    0    0    0    0    0    0    0    0
PRECIP TYPE         T
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 11.8 11.5 11.5 11.4 11.4 11.7 12.0 12.0 11.9 11.8 11.8 11.7 11.6 11.7 11.9 12.1


...CLEAR CREEK AREA (6,000 FT TO 8,000 FT)...

DATE                                        SATURDAY 08/30/25                       SUNDAY 08/31/25
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   SC   FW   SC   FW   FW   FW   FW   FW   SC
CLOUD COVER (%)    50   45   25   15   20    5   10   15   30   20   25   25   20   10   10   15   35
TEMPERATURE        67   60   56   55   54   59   67   70   70   61   58   57   57   62   69   72   72
MIN/MAX TEMP                           53                  71                  56                  73
WIND DIR            W    N    N   NW   NW    S    S    S    S   NE    N    N    N   SE    S    S    S
WIND (MPH)          5    5    5    4    4    4    5    6    5    5    5    5    5    5    8    9    6
WIND GUST (MPH)
PRECIP PROB (%)    20    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0
PRECIP TYPE         T
6 HOUR QPF                 0.01      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) 12.1 11.9 11.6 11.5 11.4 11.4 11.6 11.9 12.0 11.9 11.8 11.8 11.7 11.7 11.7 11.9 12.1


...CATHERINE CREEK AREA (6,000 FT TO 8,000 FT)...

DATE                                        SATURDAY 08/30/25                       SUNDAY 08/31/25
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   FW   FW   FW   SC   FW   SC   SC   FW   FW   FW   SC   SC
CLOUD COVER (%)    50   45   15   15   25    5   10   25   30   25   40   30   25   15   10   25   35
TEMPERATURE        68   60   57   56   56   59   68   71   70   62   60   60   60   62   70   73   72
MIN/MAX TEMP                           55                  72                  59                  74
WIND DIR           NW   NE   NE   NE    E    S    S    S    S    E    E    E    E   SE    S    S    S
WIND (MPH)          5    5    5    5    4    4    6    6    5    5    6    6    6    6    9   10    8
WIND GUST (MPH)
PRECIP PROB (%)    20    0    0    0    0    0    5    5    0    0    0    0    0    0    0    0    0
PRECIP TYPE         T
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 11.6 11.5 11.5 11.4 11.6 11.9 12.1 12.1 11.9 11.9 11.8 11.7 11.8 12.0 12.2


...NORWAY AREA (7,000 FT TO 10,000 FT)...

DATE                                        SATURDAY 08/30/25                       SUNDAY 08/31/25
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   CL   FW   FW   SC   FW   SC   FW   FW   FW   FW   FW   SC
CLOUD COVER (%)    55   45   15   15   25    5   10   20   30   20   25   25   20   10   10   15   35
TEMPERATURE        62   56   53   53   52   56   62   65   65   58   55   55   54   58   64   67   66
MIN/MAX TEMP                           51                  66                  54                  67
WIND DIR           NW    N    N    N    N    S    S    S    S   NE   NE   NE   NE    E    S    S    S
WIND (MPH)          5    5    5    5    5    4    6    6    6    5    5    5    5    6    9    9    8
WIND GUST (MPH)
PRECIP PROB (%)    20    0    0    0    0    0    5    5    0    0    0    0    0    0    0    0    0
PRECIP TYPE         T
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 11.6 11.5 11.5 11.4 11.6 12.0 12.0 11.9 11.8 11.9 11.7 11.7 11.7 12.0 12.1


...ANTHONY LAKES AREA (8,000 FT TO 10,000 FT)...

DATE                                        SATURDAY 08/30/25                       SUNDAY 08/31/25
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   FW   SC   SC   OV   SC   SC   SC   FW   FW   FW   SC
CLOUD COVER (%)    50   40   15   20   15   15    5   50   45   70   40   30   25   15   10   20   35
TEMPERATURE        61   54   54   53   53   54   62   66   65   57   57   57   57   56   64   67   67
MIN/MAX TEMP                           50                  68                  55                  69
WIND DIR            E    N   NE   SE    S    S    S    S    S   SE    S    S    S   SE   SE   SE   SE
WIND (MPH)          3    3    3    4    4    4    5    5    4    4    6    8    9    9   10   10    8
WIND GUST (MPH)
PRECIP PROB (%)    20    0    0    0    0    0    5    5    5    5    0    0    0    0    5    5    5
PRECIP TYPE         T
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) 12.1 12.0 11.7 11.6 11.4 11.4 11.7 12.3 12.3 12.1 11.9 11.9 11.8 11.8 11.8 12.0 12.2


...BLUE MOUNTAINS (4,000 FT TO 6,000 FT)...

DATE                                        SATURDAY 08/30/25                       SUNDAY 08/31/25
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   FW   FW   SC   SC   SC   SC   SC   SC   SC   FW   FW   SC
CLOUD COVER (%)    25   45   30   25   20   15   15   40   40   30   35   50   35   25   25   25   40
TEMPERATURE        78   67   63   62   59   64   75   81   79   70   67   65   63   66   77   83   82
MIN/MAX TEMP                           58                  82                  62                  84
WIND DIR            N   NE   NE    E    E   SE    S   SW    S   NE    E    E   SE   SE   SE    S   SE
WIND (MPH)          4    3    4    4    3    2    2    3    3    3    6    6    6    5    4    4    4
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    5    0    0    0    0    0    0    0    0    0
PRECIP TYPE         T
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 11.5 11.5 11.5 11.5 11.4 11.5 12.2 12.3 12.3 12.1 11.9 11.8 11.8 11.7 11.9 12.2

$$

--- PRECIP TYPE CODES ---

CODE   TYPE
 T     THUNDERSTORMS
 R     RAIN
 S     SNOW
 I     SLEET
 Z     FREEZING RAIN