Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
265
FWUS46 KSEW 200934
AVGSEW

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
134 AM PST THU NOV 20 2025


...HURRICANE RIDGE...

DATE                    THURSDAY 11/20/25                       FRIDAY 11/21/25
TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A

CLOUD COVER        OV   BK   SC   SC   SC   SC   FW   SC   BK   BK   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    90   55   35   35   50   45   20   40   65   55   70   75   80   80   85   85   80
TEMPERATURE        30   31   32   34   33   31   31   31   32   32   35   37   36   36   37   38   36
MAX/MIN TEMP                           36                  30                  38                  36
WIND DIR           SW    S    S    S   SW    S   SW    S    S   SW   SW   SW   SW   SW   SW   SW   SW
WIND (MPH)          9    8    4    2    1    5    8    9    9   10    8    4    4    9    9    9    9
WIND GUST (MPH)
PRECIP PROB (%)    40   30   20   20    0    5   10   20   40   40   50   50   70   70   70   70   70
PRECIP TYPE         S    S    S    S                   S    S    S    R    R    R    R    R    R    R
6 HOUR QPF                 0.01      0.00      0.00      0.00      0.00      0.01      0.07      0.10
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)  4.1  3.9  4.2  4.4  4.3  4.2  4.2  4.3  4.8  4.9  7.0  7.3  7.0  6.9  6.7  6.5  6.2


...MOUNT BAKER SKI AREA...

DATE                    THURSDAY 11/20/25                       FRIDAY 11/21/25
TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A

CLOUD COVER        OV   OV   BK   BK   BK   BK   BK   BK   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    75   85   60   65   55   70   50   55   70   70   85   85   90   90   95   95   95
TEMPERATURE        32   32   33   34   34   33   32   32   32   33   33   34   34   35   36   36   35
MAX/MIN TEMP                           36                  31                  36                  34
WIND DIR            S    S    S    S   SW    S    S    S    S    S    S    S    S   SW   SW   SW   SW
WIND (MPH)          8    6    4    4    2    4    6    6    6    6    8    8    6   10   10    9    8
WIND GUST (MPH)
PRECIP PROB (%)    40   50   30   10   10    0   10   30   60   60   80   80   80   80   90   90   90
PRECIP TYPE         S    S    S                        S    S    S    S    R    R    R    R    R    R
6 HOUR QPF                 0.06      0.00      0.00      0.03      0.01      0.12      0.21      0.34
6 HOUR SNOW                 0.2       0.0       0.0       0.1       0.1       0.2       0.0       0.0
12 HOUR SNOW                          0.2                 0.1                 0.3                 0.0
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.9  4.0  4.1  4.1  4.0  3.9  3.8  3.8  3.9  3.9  4.2  4.9  5.3  5.9  6.2  6.0  5.9


...STEVENS PASS...

DATE                    THURSDAY 11/20/25                       FRIDAY 11/21/25
TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A

CLOUD COVER        OV   OV   OV   BK   BK   BK   SC   SC   SC   BK   BK   BK   OV   OV   OV   OV   OV
CLOUD COVER (%)    85   85   70   60   60   50   50   35   50   60   60   60   70   85   85   85   85
TEMPERATURE        30   30   32   36   34   31   30   30   30   29   33   38   36   35   36   36   35
MAX/MIN TEMP                           36                  28                  38                  34
WIND DIR            E    E   SW    W    W   SW    S   SW   SW    W    W    W    W    W    W    W    W
WIND (MPH)          3    2    2    2    3    2    3    3    3    3    3    4    4    4    5    4    4
WIND GUST (MPH)
PRECIP PROB (%)    60   50   20    5    0    0    0    5   20   20   40   40   60   60   60   60   70
PRECIP TYPE         S    S    S                             S    S    S    S    R    R    R    R    R
6 HOUR QPF                 0.04      0.00      0.00      0.01      0.00      0.00      0.05      0.10
6 HOUR SNOW                 0.2       0.0       0.0       0.0       0.0       0.0       0.0       0.0
12 HOUR SNOW                          0.2                 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)  4.0  4.1  4.2  4.3  4.2  4.1  3.8  3.8  3.8  3.8  4.2  4.8  5.2  6.2  6.4  6.1  6.1


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

DATE                    THURSDAY 11/20/25                       FRIDAY 11/21/25
TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A

CLOUD COVER        OV   OV   BK   BK   SC   SC   SC   FW   SC   BK   BK   BK   BK   OV   OV   OV   OV
CLOUD COVER (%)    90   85   60   55   45   40   35   20   35   50   55   55   70   80   80   80   85
TEMPERATURE        32   32   35   39   38   34   32   31   31   31   36   41   40   37   37   37   36
MAX/MIN TEMP                           40                  29                  42                  35
WIND DIR           SE   SE   NW   NW   NW    N    E    N    N    W    W    W    W   SW   SW   SW   SW
WIND (MPH)          2    1    2    2    1    1    1    1    1    1    2    2    2    2    2    2    2
WIND GUST (MPH)
PRECIP PROB (%)    70   30   20   10    0    0    0    5   20   20   30   30   50   50   60   60   60
PRECIP TYPE         S    S    R                             R    R    R    R    R    R    R    R    R
6 HOUR QPF                 0.07      0.00      0.00      0.01      0.00      0.00      0.04      0.12
6 HOUR SNOW                 0.2       0.0       0.0       0.0       0.0       0.0       0.0       0.0
12 HOUR SNOW                          0.2                 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)  3.9  4.0  4.2  4.3  4.3  4.0  3.9  3.9  3.9  3.9  4.3  4.8  5.6  6.5  6.6  6.3  6.2


...WHITE PASS...

DATE                    THURSDAY 11/20/25                       FRIDAY 11/21/25
TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A

CLOUD COVER        OV   OV   OV   BK   SC   SC   SC   FW   SC   SC   SC   BK   BK   BK   BK   OV   BK
CLOUD COVER (%)    90   85   70   50   40   35   35   25   30   35   45   50   60   60   60   70   70
TEMPERATURE        28   29   31   35   33   29   27   27   26   26   33   38   36   32   32   33   32
MAX/MIN TEMP                           35                  24                  39                  31
WIND DIR            S    W    W    W    W    W   SE    W    W    W    W    W    W    W    W    W    W
WIND (MPH)          2    2    3    3    2    2    2    2    2    3    3    4    3    3    4    4    4
WIND GUST (MPH)
PRECIP PROB (%)    70   10   20    0    0    0    0    0   20   20   20   20   30   30   40   40   40
PRECIP TYPE         S         S                             S    S    S    S    R    R    R    R    R
6 HOUR QPF                 0.03      0.00      0.00      0.00      0.00      0.00      0.00      0.01
6 HOUR SNOW                 0.2       0.0       0.0       0.0       0.0       0.0       0.0       0.0
12 HOUR SNOW                          0.2                 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)  4.3  4.1  4.2  4.3  4.2  4.0  3.8  3.7  3.8  3.9  4.4  4.9  5.3  6.6  6.6  6.2  6.2


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

DATE                    THURSDAY 11/20/25                       FRIDAY 11/21/25
TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A

CLOUD COVER        OV   OV   BK   SC   SC   SC   FW   FW   SC   SC   SC   BK   BK   BK   BK   OV   OV
CLOUD COVER (%)    90   75   60   45   35   40   25   20   30   45   50   55   70   70   65   75   75
TEMPERATURE        30   29   30   31   31   28   29   28   28   28   32   36   35   33   35   34   33
MAX/MIN TEMP                           33                  26                  37                  32
WIND DIR            W    W   SW   SW   SW    W   NE    W    W    W    W    W    W    W    W    W    W
WIND (MPH)          5    4    3    3    2    2    3    3    3    3    3    4    3    3    5    5    5
WIND GUST (MPH)
PRECIP PROB (%)    80    5   30   10   20    0    0    5   20   20   20   20   40   40   50   50   50
PRECIP TYPE         S         S         S                   S    S    S    S    R    R    R    R    R
6 HOUR QPF                 0.08      0.00      0.00      0.00      0.00      0.00      0.02      0.06
6 HOUR SNOW                 0.5       0.0       0.0       0.0       0.0       0.0       0.0       0.0
12 HOUR SNOW                          0.5                 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)  4.5  4.2  4.2  4.3  4.2  4.1  3.9  3.8  4.0  4.1  4.7  5.6  6.0  6.6  6.7  6.4  6.3

$$

--- PRECIP TYPE CODES ---

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