Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA

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773
FWUS46 KSEW 210938
AVGSEW

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
238 AM PDT MON SEP 21 2026


...HURRICANE RIDGE...

DATE                    MONDAY 09/21/26                         TUESDAY 09/22/26
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   OV   BK   SC   SC   BK   BK   BK   SC   FW   SC   BK   OV   BK   SC   SC   BK
CLOUD COVER (%)    20   80   65   35   35   60   70   60   40   15   35   55   75   60   45   45   50
TEMPERATURE        47   47   55   55   52   45   44   43   39   38   48   49   47   40   40   41   39
MAX/MIN TEMP                           56                  38                  49                  38
WIND DIR            S   SW    W   NW   NW    W    W   SW   SW   SW    N   NW   NW    W    S    S    S
WIND (MPH)          4    4    1    3    3    2    3    3    4    3    2    3    3    2    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)  7.8  7.6  8.4  8.7  8.6  7.7  7.1  6.5  6.2  5.9  6.7  6.9  6.9  6.6  6.7  6.2  6.1


...MOUNT BAKER SKI AREA...

DATE                    MONDAY 09/21/26                         TUESDAY 09/22/26
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   BK   SC   FW   SC   OV   OV   OV   BK   SC   BK   BK   BK   BK   BK   BK
CLOUD COVER (%)     5    5   55   50   20   30   70   85   85   55   35   55   55   60   65   70   65
TEMPERATURE        52   52   59   60   58   48   45   46   44   43   49   52   51   44   43   43   43
MAX/MIN TEMP                           62                  43                  53                  41
WIND DIR            S    S    S   SW   SW    S    S    S    S    S    W    W    W   SW    S    S   SE
WIND (MPH)          3    5    5    9    8    3    4    2    2    3    8    9    8    3    4    3    2
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0   10   10   20
PRECIP TYPE                                                                                         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
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  8.9  8.7  8.5  8.3  8.3  8.2  8.0  7.6  7.3  6.6  7.1  7.2  6.9  6.5  6.8  6.6  6.5


...STEVENS PASS...

DATE                    MONDAY 09/21/26                         TUESDAY 09/22/26
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   SC   BK   BK   OV   OV   OV   BK   SC   BK   OV   BK   OV   OV   OV
CLOUD COVER (%)     5    5   20   40   60   65   70   80   90   60   40   55   75   55   75   75   75
TEMPERATURE        50   50   65   68   64   52   48   47   46   45   51   55   54   47   46   44   42
MAX/MIN TEMP                           69                  45                  55                  41
WIND DIR           SE    S   SW    W    W    W    W    W    W    W    W    W    W    W    W    W    W
WIND (MPH)          2    1    2    5    5    4    5    5    5    5    6    6    6    5    5    4    3
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    5    0    5    0    0    0    0    0
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)  9.2  9.4  9.5  9.6  9.4  8.4  8.4  8.1  7.5  7.2  7.2  7.2  7.1  7.0  7.2  7.0  6.8


...SNOQUALMIE PASS (3000 FEET)...

DATE                    MONDAY 09/21/26                         TUESDAY 09/22/26
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   FW   SC   BK   SC   SC   OV   OV   BK   BK   BK   OV   BK   BK   OV   OV
CLOUD COVER (%)     5    5   15   45   55   45   45   75   85   60   65   65   80   60   70   75   70
TEMPERATURE        51   51   64   67   64   52   48   48   47   46   52   56   55   48   46   44   43
MAX/MIN TEMP                           70                  46                  56                  42
WIND DIR            E    E   SW    W    W   NW    N   NW   NW   NW    W    W    W    W    W    N    N
WIND (MPH)          1    1    1    3    3    1    1    2    2    2    4    4    3    1    1    0    0
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    0    5   10    0    5    0    0    0    0    0
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)  9.3  9.5  9.5  9.6  9.2  8.1  8.6  8.1  7.5  7.2  7.1  7.1  6.9  7.0  7.2  7.0  6.6


...WHITE PASS...

DATE                    MONDAY 09/21/26                         TUESDAY 09/22/26
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   FW   SC   SC   BK   BK   SC   BK   OV   BK   SC   SC   BK   SC   SC   BK   BK
CLOUD COVER (%)     5   10   30   50   70   60   45   65   85   55   35   25   55   35   45   60   65
TEMPERATURE        48   49   63   67   63   52   47   45   44   44   49   55   54   46   43   41   40
MAX/MIN TEMP                           68                  43                  55                  39
WIND DIR           SE    S    W    W    W    W    W    W    W    W    W    W    W    W    W    W    W
WIND (MPH)          5    3    3    6    6    5    5    5    6    6    8    9    9    6    5    4    3
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0
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)  9.9 10.0 10.0  9.8  9.5  8.8  8.5  8.7  7.7  7.2  7.3  7.4  7.4  7.1  7.4  7.1  6.8


...PARADISE (MOUNT RAINIER - 5420 FEET) ...

DATE                    MONDAY 09/21/26                         TUESDAY 09/22/26
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   SC   SC   BK   BK   SC   OV   OV   BK   BK   SC   BK   SC   BK   BK   BK
CLOUD COVER (%)    15   20   35   45   65   55   45   70   85   60   55   45   65   45   55   65   60
TEMPERATURE        54   53   59   59   56   47   44   44   43   41   45   48   48   41   39   39   37
MAX/MIN TEMP                           61                  41                  49                  36
WIND DIR            W    W    W    W    W    W    W    W    W    W    W    W    W    W   NW   NW   NW
WIND (MPH)          3    2    3    5    5    2    2    2    2    2    5    8    6    3    2    2    1
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0
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)  9.8  9.9  9.8  9.5  9.0  8.3  8.7  8.4  7.6  7.1  7.4  7.4  7.1  6.7  7.2  6.8  6.5

$$

--- PRECIP TYPE CODES ---

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