Avalanche Weather Guidance
Issued by NWS Flagstaff, AZ

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390
FWUS45 KFGZ 281837
AVGFGZ

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1135 AM MST MON SEP 28 2026


...AGASSIZ PEAK...

DATE                                        TUESDAY 09/29/26                        WEDNESDAY 09/30/26
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        OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   SC   SC   FW
CLOUD COVER (%)    90   90   80   80   70   70   95   95   95   95   90   90   75   60   40   25   15
TEMPERATURE        43   43   34   34   35   36   35   35   37   36   36   36   37   36   39   42   40
MIN/MAX TEMP                           34                  43                  35                  42
WIND DIR           SW   SW   SW   SW   SW    S    E   NE   NE    N    N   NW   NW    W   NW   NW   NW
WIND (MPH)          8    9    6    4    4    8   10   20   25   27   14   11   17   17   13   13    9
WIND GUST (MPH)    13                            18   29   37   40   21             24   21   20   14
PRECIP PROB (%)    90   90   70   70   60   60   90   90   90   90   90   90   40   40   10   10    0
PRECIP TYPE         R    R    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.07      0.05      0.07      0.38      0.57      0.50      0.03      0.00
12 HOUR QPF                          0.12                0.45                1.07                0.03
 LOW END QPF                         0.02                0.07                0.04                0.00
 HIGH END QPF                        0.55                0.94                2.26                0.27
6 HOUR SNOW                 0.0       0.0       0.0       0.5       0.7       0.3       0.0       0.0
12 HOUR SNOW                          0.0                 0.5                 1.0                 0.0
 LOW END SNOW                         0.0                 0.0                 0.0                 0.0
 HIGH END SNOW                        0.0                 0.6                 2.1                 0.0
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT) 13.0 12.7 11.8 11.6 11.5 11.3 11.3 11.7 11.5 11.6 11.5 11.6 11.8 12.0 12.2 12.7 12.6
SNOW RATIO (:1)     2    2    2    4    4    4    4    4    4    5    5    4    4    3    2    2    1

DATE                         THU 10/01/26        FRI 10/02/26        SAT 10/03/26        SUN 10/04/26        MON 10/05/26
TIME (LT)          23   05   11   17   23   05   11   17   23   05   11   17   23   05   11   17   23   05   11   17
                   11P  5A   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P

CLOUD COVER        CL   FW   CL   CL   CL   FW   CL   CL   FW   FW   FW   FW   CL   FW   FW   FW   FW   FW   FW   FW
CLOUD COVER (%)     5   15    5    5    5   10    5    5    5   25    5    5    5   15   10   10   15   25   10   25
TEMPERATURE        35   34   44   45   37   35   45   46   38   35   46   47   39   36   46   47   38   35   45   46
MAX/MIN TEMP            34        47        34        48        35        49        36        49        34        48
WIND DIR            W    W   NE    E    S    S    E    E    S   NE    E    E    E    E    E    E    E    E    E    E
WIND (MPH)          9    8    9    5    4    4    5    6    4    6   11   11   17    5    9    8    5    4    8    6
WIND GUST (MPH)              16                  11                  17        25        14                  13
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    5    0    0    0    5    5
PRECIP TYPE
12 HOUR QPF           0.00      0.00
12 HOUR SNOW           0.0       0.0
12 HOUR ICE           0.00      0.00
SNOW LEVEL (KFT) 11.9 11.4 11.9 12.3 12.2 12.0 12.2 12.4 12.2 11.8 12.1 12.2 12.3 12.1 12.1 12.5 12.6 12.3 12.4 12.7
SNOW RATIO (:1)     0    0    0    1    1    1    1    1    1    1    1    1    1    1    1    1    1    1    1    0


...INNER BASIN...

DATE                                        TUESDAY 09/29/26                        WEDNESDAY 09/30/26
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        OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   SC   SC   FW
CLOUD COVER (%)    90   90   80   80   70   70   95   95   95   95   90   90   75   60   40   25   15
TEMPERATURE        46   45   45   44   43   45   47   45   43   42   42   42   42   44   51   52   49
MIN/MAX TEMP                           42                  47                  40                  53
WIND DIR           SW   SW   SW   SW   SW   SE    E   NE   NE    N    N   NW   NW    W   NW   NW   NW
WIND (MPH)          6    8    5    3    3    6    9    9    6    6    6   10   16   16   13   12    8
WIND GUST (MPH)    13   13                       17   17   13                  23   26   23   20   14
PRECIP PROB (%)    90   90   70   70   60   60  100  100   90   90   90   90   40   40   10   10    0
PRECIP TYPE         R    R    R    R    R    R    R    R    R    R    R    R    R    R
6 HOUR QPF                 0.07      0.04      0.07      0.39      0.57      0.49      0.03      0.00
12 HOUR QPF                          0.11                0.46                1.06                0.03
 LOW END QPF                         0.02                0.09                0.04                0.00
 HIGH END QPF                        0.54                0.95                2.18                0.27
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
 LOW END SNOW                         0.0                 0.0                 0.0                 0.0
 HIGH END 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) 13.0 12.6 11.8 11.6 11.5 11.4 11.4 11.7 11.5 11.6 11.5 11.6 11.8 12.0 12.2 12.6 12.6
SNOW RATIO (:1)     1    1    1    2    2    3    3    2    3    3    3    2    2    2    1    1    0

DATE                         THU 10/01/26        FRI 10/02/26        SAT 10/03/26        SUN 10/04/26        MON 10/05/26
TIME (LT)          23   05   11   17   23   05   11   17   23   05   11   17   23   05   11   17   23   05   11   17
                   11P  5A   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P

CLOUD COVER        CL   FW   CL   CL   CL   FW   CL   CL   CL   FW   CL   FW   CL   FW   FW   FW   FW   FW   FW   FW
CLOUD COVER (%)     5   10    0    5    0   10    0    5    5   20    5   10    5   10    5   10   15   20   10   25
TEMPERATURE        41   39   56   53   43   39   58   54   44   40   59   55   45   41   59   55   45   40   58   54
MAX/MIN TEMP            39        58        39        59        40        61        41        61        39        60
WIND DIR            W    W   NE    E    S    S    E    E    S    N    E    E    E    E    E    E    E    E    E    E
WIND (MPH)          8    8    9    5    3    3    6    6    3    3    8    6    3    4    9    8    4    3    8    5
WIND GUST (MPH)              16                  12                  13                  14                  14
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    5    0    0    0    5    5
PRECIP TYPE
12 HOUR QPF           0.00      0.00
12 HOUR SNOW           0.0       0.0
12 HOUR ICE           0.00      0.00
SNOW LEVEL (KFT) 11.9 11.4 11.9 12.3 12.3 12.0 12.2 12.4 12.2 11.8 12.0 12.2 12.3 12.1 12.1 12.5 12.5 12.3 12.4 12.7
SNOW RATIO (:1)     0    0    0    1    1    1    1    1    1    1    1    1    1    1    1    1    1    1    1    0

$$

--- PRECIP TYPE CODES ---

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