Avalanche Weather Guidance
Issued by NWS Pendleton, OR

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810
FWUS46 KPDT 041056
AVGPDT

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PDT THU SEP 4 2025


...BROKEN TOP...

DATE                    THURSDAY 09/04/25                       FRIDAY 09/05/25
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   SC   SC   SC   OV   BK   SC   OV   SC   SC   SC   BK   OV   BK   SC   SC
CLOUD COVER (%)    55   25   35   45   50   70   60   50   80   40   40   45   60   80   65   45   50
TEMPERATURE        57   57   66   69   67   60   58   58   57   58   64   66   63   57   55   54   53
MAX/MIN TEMP                           70                  55                  68                  52
WIND DIR            S    S   SE    E    N    W    S   SE    N   NW   NE   NE    N   NW    W    W    W
WIND (MPH)          8    6    4    3    3    3    5    4    4    4    5    4    4    4    5    4    4
WIND GUST (MPH)
PRECIP PROB (%)     5    5   10   20   20   20   10   10   20   30   50   50   50   50   20   20   30
PRECIP TYPE                        T    T    R              R    R    R    T    R    R    R    R    R
6 HOUR QPF                 0.00      0.01      0.00      0.00      0.02      0.17      0.13      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) 12.5 12.3 12.8 13.2 13.2 13.1 12.9 12.8 12.8 12.8 12.8 12.8 12.6 12.5 12.2 12.0 11.8


...TAM MCARTHUR RIM...

DATE                    THURSDAY 09/04/25                       FRIDAY 09/05/25
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   SC   SC   SC   OV   BK   SC   OV   SC   SC   SC   BK   OV   BK   SC   SC
CLOUD COVER (%)    55   30   40   50   50   70   60   45   80   40   45   45   60   80   70   45   50
TEMPERATURE        57   57   68   70   68   61   58   58   57   58   65   67   64   57   55   54   53
MAX/MIN TEMP                           71                  56                  69                  52
WIND DIR            S    S   SE    E    N    W   SW    S   SW    W   NE   NE    N    W    W    W    W
WIND (MPH)          8    6    4    2    3    4    5    4    4    4    4    3    3    4    5    4    4
WIND GUST (MPH)
PRECIP PROB (%)     5    5   10   20   20   20   10   10   20   30   50   50   50   50   20   20   30
PRECIP TYPE                        T    T    R              R    R    R    T    R    R    R    R    R
6 HOUR QPF                 0.00      0.01      0.00      0.00      0.02      0.16      0.12      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) 12.5 12.4 12.8 13.2 13.2 13.1 12.9 12.9 12.8 12.7 12.8 12.8 12.6 12.4 12.2 12.0 11.8


...NEWBERRY CRATER...

DATE                    THURSDAY 09/04/25                       FRIDAY 09/05/25
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   OV   BK   SC   BK   SC   SC   SC   BK   OV   BK   SC   BK
CLOUD COVER (%)    50   30   20   45   60   70   65   45   65   50   35   50   65   80   55   40   55
TEMPERATURE        58   57   65   69   69   62   60   59   58   58   64   68   65   57   54   55   54
MAX/MIN TEMP                           72                  57                  71                  52
WIND DIR           SE   SE   SE   SE   NE    N   NE    E   NE    N    E   NE    N   NW   NW   NW   NW
WIND (MPH)          6    5    4    4    4    4    5    5    5    5    5    5    5    5    5    5    4
WIND GUST (MPH)
PRECIP PROB (%)     5    5    5   20   20   10    5   10   20   20   40   40   40   40   20   20   20
PRECIP TYPE                        T    T                   R    R    R    T    R    R    R    R    R
6 HOUR QPF                 0.00      0.02      0.01      0.00      0.01      0.02      0.05      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) 12.6 12.5 12.8 13.3 13.3 13.2 13.0 12.8 12.8 12.9 12.9 13.0 12.8 12.5 12.3 12.0 11.8


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

DATE                    THURSDAY 09/04/25                       FRIDAY 09/05/25
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        SC   BK   BK   BK   BK   SC   FW   FW   FW   FW   FW   FW   FW   FW   FW   FW   SC
CLOUD COVER (%)    50   50   70   60   60   40   15   10   15   10   10   25   20   10   15   25   40
TEMPERATURE        56   58   66   69   68   60   56   55   54   56   64   67   66   58   55   54   53
MAX/MIN TEMP                           70                  53                  68                  53
WIND DIR           NW    N    N    N    N   NW   NW    W   NW    W   NW   NW    N    W   SW   SW   SW
WIND (MPH)          5    4    5    8    8    6    6    5    5    4    5    6    8    5    5    5    5
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    5    5    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) 11.8 11.8 11.9 12.6 12.8 12.5 12.0 11.5 11.5 11.3 11.4 12.2 12.2 12.1 11.9 11.6 11.6


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

DATE                    THURSDAY 09/04/25                       FRIDAY 09/05/25
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        SC   SC   BK   BK   BK   SC   FW   FW   FW   FW   CL   FW   FW   FW   FW   FW   SC
CLOUD COVER (%)    50   50   60   60   50   40   15   10   15   10    5   15   15   10   10   20   35
TEMPERATURE        61   65   75   78   77   68   63   61   59   63   73   76   75   65   62   59   58
MAX/MIN TEMP                           79                  58                  77                  57
WIND DIR           NW   NW    N    N    N   NW   NW   NW   NW   NW   NE    N    N    N   NW    W    W
WIND (MPH)          6    5    5    8    9    8    8    6    5    5    5    6    8    6    6    5    5
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    5    5    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 11.9 12.5 12.7 12.4 11.9 11.5 11.3 11.3 11.3 12.1 12.2 12.0 11.9 11.6 11.6


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

DATE                    THURSDAY 09/04/25                       FRIDAY 09/05/25
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   BK   BK   BK   BK   SC   FW   FW   FW   CL   FW   FW   SC   FW   FW   SC   SC
CLOUD COVER (%)    55   60   65   70   60   40   15   15   20    5    5   20   35   10   20   30   45
TEMPERATURE        60   62   72   74   74   66   61   59   58   61   70   73   72   63   59   58   56
MAX/MIN TEMP                           76                  57                  74                  56
WIND DIR           NW    N   NE    N    N    N    N   NW   NW   NW    S   SW    N    N    N   NW   NW
WIND (MPH)          6    5    6    8    9    9    9    8    6    5    5    6    8    8    6    5    5
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    5    5    5    5   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
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 12.1 12.6 12.7 12.5 12.1 11.9 11.5 11.5 11.8 12.6 12.6 12.3 12.1 11.7 11.7


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

DATE                    THURSDAY 09/04/25                       FRIDAY 09/05/25
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   BK   BK   BK   BK   SC   FW   FW   SC   FW   FW   FW   SC   FW   FW   SC   SC
CLOUD COVER (%)    65   55   60   70   55   45   15   15   25   10   10   25   35   20   20   30   45
TEMPERATURE        60   62   72   75   74   65   62   59   59   61   70   73   72   63   60   58   57
MAX/MIN TEMP                           76                  58                  74                  57
WIND DIR           NE    N   NW    N    N   NE   NE   NE   NE   NE    W    W   NW    N   NE   NE   NE
WIND (MPH)          6    5    6    8    8    8    8    5    5    5    5    6    5    5    5    5    5
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    5    5    5    5   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
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 12.4 13.0 13.0 12.6 12.3 11.9 11.8 11.7 11.8 12.5 12.5 12.3 12.1 11.7 11.6


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

DATE                    THURSDAY 09/04/25                       FRIDAY 09/05/25
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   BK   BK   OV   OV   SC   FW   FW   FW   FW   FW   SC   SC   FW   FW   SC   SC
CLOUD COVER (%)    60   65   65   70   70   40   15   15   25    5   10   30   35   15   15   30   45
TEMPERATURE        57   59   67   69   68   61   58   57   55   58   65   67   66   59   56   55   54
MAX/MIN TEMP                           70                  55                  68                  54
WIND DIR            N    N   NE    N    N    N    N    N    N    W   SW   SW   NW   NW   NW   NW   NW
WIND (MPH)          9    6    6    9   10   10   10    9    8    6    5    6    8    9    8    6    6
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    5    5    5    5   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
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 12.4 12.8 12.9 12.6 12.2 12.0 11.6 11.6 12.0 12.8 12.7 12.4 12.1 11.7 11.7


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

DATE                    THURSDAY 09/04/25                       FRIDAY 09/05/25
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        OV   BK   OV   BK   SC   SC   SC   FW   FW   FW   FW   SC   SC   SC   FW   SC   BK
CLOUD COVER (%)    80   65   75   60   45   40   35   20   25   10   15   35   40   35   25   45   60
TEMPERATURE        57   56   65   68   66   59   58   57   56   57   64   67   66   57   55   56   55
MAX/MIN TEMP                           70                  54                  69                  53
WIND DIR           NW   NW   NE    N    N    N    N    N    N    W   NW   NW   NW   NW    W    W    W
WIND (MPH)          6    6    6    8    6    5    5    5    5    4    5    5    5    5    5    4    5
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    5    5    5    0    0    0    0   10   10   20   20   10   10   20
PRECIP TYPE                                                                     R    R              R
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.00      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
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 12.2 12.7 13.0 12.9 12.6 12.3 12.2 12.2 12.0 12.6 12.4 12.3 12.3 11.8 11.7


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

DATE                    THURSDAY 09/04/25                       FRIDAY 09/05/25
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        SC   SC   SC   SC   SC   FW   FW   FW   FW   FW   FW   FW   FW   FW   FW   FW   SC
CLOUD COVER (%)    35   35   35   40   35   25   10   15   20   10    5   10   15   10   10   25   40
TEMPERATURE        64   66   77   82   81   72   68   65   63   66   77   81   80   70   66   63   61
MAX/MIN TEMP                           83                  62                  82                  61
WIND DIR            W    W   NW   NW   NW    N   NE   NE   NE   SW   NW   NW    N    N    E    S    S
WIND (MPH)          3    3    4    6    5    3    3    3    3    3    3    5    5    4    4    3    3
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    5    5    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 11.8 12.0 12.2 12.4 12.2 11.9 11.8 11.6 11.7 11.7 12.1 12.1 11.8 11.7 11.4 11.3

$$

--- PRECIP TYPE CODES ---

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