Avalanche Weather Guidance
Issued by NWS Pendleton, OR

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712
FWUS46 KPDT 282156
AVGPDT

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
256 PM PDT THU AUG 28 2025


...BROKEN TOP...

DATE                                        FRIDAY 08/29/25                         SATURDAY 08/30/25
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   SC   CL   FW   FW   SC   SC   SC   FW   SC   SC   SC   SC   BK
CLOUD COVER (%)    10   10   10   10   25    5    5   15   45   50   30   25   40   35   50   45   60
TEMPERATURE        65   56   54   53   53   55   63   67   65   57   54   53   53   55   61   65   64
MIN/MAX TEMP                           51                  69                  50                  67
WIND DIR            W    W   SE    S    S   SW   SW    W    W   NW   NW   NW   NW   SW    S   SW   NW
WIND (MPH)          5    3    3    4    5    4    4    4    5    5    5    4    4    5    4    5    6
WIND GUST (MPH)
PRECIP PROB (%)     5    0    0    0    0    0    0    5    5   10    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) 11.4 11.0 11.2 11.1 10.9 10.7 11.3 12.1 12.2 11.9 11.9 11.6 11.5 11.3 11.4 12.1 12.3


...TAM MCARTHUR RIM...

DATE                                        FRIDAY 08/29/25                         SATURDAY 08/30/25
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   SC   CL   FW   FW   SC   SC   SC   FW   SC   SC   SC   SC   BK
CLOUD COVER (%)    15   10   10   10   25    5    5   15   50   50   30   25   40   35   50   45   60
TEMPERATURE        66   58   55   53   53   56   64   68   66   58   55   54   53   55   62   66   66
MIN/MAX TEMP                           51                  70                  51                  68
WIND DIR            W    W   SW    S   SW   SW   SW    W    W   NW   NW    W    W   SW   SE   SW   NW
WIND (MPH)          5    3    3    4    5    4    4    4    5    5    5    4    4    5    4    5    6
WIND GUST (MPH)
PRECIP PROB (%)     5    0    0    0    0    0    0    5    5   10    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) 11.4 11.1 11.2 11.1 10.9 10.7 11.4 12.1 12.2 12.0 11.9 11.6 11.5 11.3 11.4 12.1 12.3


...NEWBERRY CRATER...

DATE                                        FRIDAY 08/29/25                         SATURDAY 08/30/25
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   FW   CL   FW   SC   SC   SC   FW   SC   SC   SC   SC   SC
CLOUD COVER (%)    10   10    5   10   25    5    5   15   45   35   30   25   35   35   35   40   50
TEMPERATURE        68   60   56   55   53   55   62   68   69   61   56   55   54   55   62   67   70
MIN/MAX TEMP                           52                  71                  53                  71
WIND DIR            W    N    N    S    S   SW   SW   SW   SW   NW    N    N   NW    S    S   SW   SW
WIND (MPH)          6    5    4    4    3    4    4    5    5    5    6    5    4    4    5    6    6
WIND GUST (MPH)
PRECIP PROB (%)     5    0    0    0    0    0    0    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) 11.6 11.6 11.2 11.0 10.8 10.6 11.1 11.6 11.9 11.8 11.7 11.6 11.5 11.4 11.3 12.0 12.3


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

DATE                                        FRIDAY 08/29/25                         SATURDAY 08/30/25
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   SC   SC   SC   FW   FW   FW   FW   FW   SC   SC
CLOUD COVER (%)    35   30   15   10   10   10   10   30   35   45   20   15   25   10   15   35   40
TEMPERATURE        61   54   50   50   50   54   61   62   61   55   52   51   51   55   62   64   64
MIN/MAX TEMP                           49                  65                  51                  66
WIND DIR           NW    W   SW   SW   SW   NW    N    N    W    W   SW   SW   SW   SW    S   SW    S
WIND (MPH)          4    4    5    5    5    3    4    5    5    4    5    5    6    5    4    5    5
WIND GUST (MPH)
PRECIP PROB (%)    20    0    0    0    0    0    5    5    5    5    0    0    0    0    0    0    5
PRECIP TYPE         T
6 HOUR QPF                 0.00      0.00      0.00      0.03      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 12.0 11.9 11.6 11.5 12.1 12.2 12.0 11.8 11.6 11.5 11.4 11.4 11.6 11.9 12.1


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

DATE                                        FRIDAY 08/29/25                         SATURDAY 08/30/25
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   SC   SC   SC   FW   FW   FW   FW   FW   SC   SC
CLOUD COVER (%)    40   30   15   10   10   10   10   40   30   45   15   10   25    5   10   30   30
TEMPERATURE        68   60   57   55   54   60   69   69   69   62   58   57   56   61   71   73   72
MIN/MAX TEMP                           54                  72                  55                  74
WIND DIR            N    W   SW   SW    W   NE    E   SW    W    W    W    W   SW    S   SE    S    S
WIND (MPH)          4    4    5    5    4    3    4    4    5    5    5    5    5    4    4    5    5
WIND GUST (MPH)
PRECIP PROB (%)    20    0    0    0    0    0    5    5    0    5    0    0    0    0    0    0    0
PRECIP TYPE         T
6 HOUR QPF                 0.00      0.00      0.00      0.06      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 12.1 12.0 11.9 11.7 11.4 12.2 12.3 12.1 11.8 11.6 11.5 11.3 11.4 11.5 11.8 12.0


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

DATE                                        FRIDAY 08/29/25                         SATURDAY 08/30/25
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   SC   SC   SC   FW   FW   SC   FW   FW   FW   FW
CLOUD COVER (%)    35   35   20   10   10   10   10   35   40   45   20   10   25    5   10   15   25
TEMPERATURE        65   58   54   53   53   58   66   67   65   59   55   55   54   59   67   69   69
MIN/MAX TEMP                           52                  69                  53                  70
WIND DIR           SW   NW   NW    W    W   SW    S    N   NW   NW    N   NW   NW    N    S    S    S
WIND (MPH)          5    4    4    4    4    4    5    5    5    5    5    5    5    4    5    8    6
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      0.05      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 12.1 12.0 12.0 11.7 11.3 12.1 12.4 12.2 12.0 11.7 11.6 11.5 11.5 11.6 11.9 12.1


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

DATE                                        FRIDAY 08/29/25                         SATURDAY 08/30/25
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   FW   FW   FW   SC   SC   FW   FW   FW   FW   FW   FW   SC
CLOUD COVER (%)    35   25   15    5   10    5    5   15   35   30   20   10   25    5   10   15   35
TEMPERATURE        66   58   55   54   54   58   66   69   67   60   58   56   56   59   67   70   69
MIN/MAX TEMP                           54                  71                  55                  71
WIND DIR           SW    E   SE   SE   SE   SW    W    W    W   NE   NE    E    E    E    S    S    S
WIND (MPH)          4    4    5    5    4    4    5    6    5    5    5    5    5    5    5    8    5
WIND GUST (MPH)
PRECIP PROB (%)    10    0    0    0    0    0    5    5    0    5    0    0    0    0    0    0    0
PRECIP TYPE
6 HOUR QPF                 0.00      0.00      0.00      0.01      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 12.1 12.1 12.0 11.6 11.2 11.5 12.0 11.9 11.9 11.8 11.7 11.6 11.5 11.6 11.9 12.2


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

DATE                                        FRIDAY 08/29/25                         SATURDAY 08/30/25
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   SC   SC   SC   FW   FW   FW   FW   FW   FW   SC
CLOUD COVER (%)    40   35   20   10   10   10   10   25   45   45   15   10   25   10   10   15   30
TEMPERATURE        60   54   52   50   50   55   61   62   60   55   53   52   51   56   62   64   64
MIN/MAX TEMP                           50                  64                  51                  65
WIND DIR           SW   NW    W    W    W    W   SW   NW   NW    N    N    N    N    N    S    S    S
WIND (MPH)          5    4    4    4    5    4    5    6    6    5    5    5    5    5    5    8    8
WIND GUST (MPH)
PRECIP PROB (%)     5    0    0    0    0    0    5    5    5    5    0    0    0    0    0    0    0
PRECIP TYPE
6 HOUR QPF                 0.00      0.00      0.00      0.02      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 12.1 12.1 12.0 11.7 11.3 12.0 12.3 12.1 11.9 11.7 11.6 11.5 11.5 11.6 11.9 12.1


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

DATE                                        FRIDAY 08/29/25                         SATURDAY 08/30/25
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   FW   SC   SC   SC   FW   FW   SC   FW   FW   SC   SC
CLOUD COVER (%)    35   15   10   10    5    5   10   35   40   25   15   20   30   10    5   30   45
TEMPERATURE        61   53   52   52   52   54   62   62   60   54   54   53   53   54   61   64   64
MIN/MAX TEMP                           49                  66                  51                  67
WIND DIR            W   SW    S    S   SW    W   NW    N   SE   NW    W   SW    S    S   SE    S   SE
WIND (MPH)          4    3    4    5    4    3    4    4    4    3    4    4    5    5    5    5    5
WIND GUST (MPH)
PRECIP PROB (%)    10    5    0    0    0    0   10   20    5    5    0    0    0    0    5    5    5
PRECIP TYPE                                            T
6 HOUR QPF                 0.00      0.00      0.00      0.02      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) 12.3 12.3 12.1 12.0 11.4 11.3 12.1 12.2 12.3 12.1 11.9 11.8 11.6 11.5 11.7 12.0 12.2


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

DATE                                        FRIDAY 08/29/25                         SATURDAY 08/30/25
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   SC   FW   FW   FW   FW   FW   FW   SC
CLOUD COVER (%)    10   10   10   10   10    5    5    5   10   25   15   15   25   15   10   15   45
TEMPERATURE        74   65   61   60   58   63   74   79   77   67   63   61   60   64   75   80   78
MIN/MAX TEMP                           58                  80                  59                  81
WIND DIR           NW    N   NE    E    E   SE    W   NW   NW    N    E    E   SE   SE   SE   SW    W
WIND (MPH)          4    3    4    4    4    3    3    4    4    3    4    4    4    3    2    3    3
WIND GUST (MPH)
PRECIP PROB (%)     5    5    0    0    0    0    0    0    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) 11.5 11.8 11.8 11.5 11.0 10.6 11.1 11.4 11.6 11.7 11.6 11.5 11.5 11.3 11.4 11.8 12.1

$$

--- PRECIP TYPE CODES ---

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