Avalanche Weather Guidance
Issued by NWS Flagstaff, AZ

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586
FWUS45 KFGZ 232206
AVGFGZ

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
304 PM MST SUN AUG 23 2026


...AGASSIZ PEAK...

DATE                                        MONDAY 08/24/26                         TUESDAY 08/25/26
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        BK   BK   BK   SC   BK   SC   OV   OV   BK   BK   FW   FW   SC   FW   BK   BK   BK
CLOUD COVER (%)    60   60   60   45   50   40   70   70   70   55   10   15   40    5   55   60   55
TEMPERATURE        57   50   49   47   46   48   54   55   55   50   48   48   46   51   59   61   59
MIN/MAX TEMP                           45                  60                  46                  62
WIND DIR            W    W    W    W   NW   NE   SE    S    W    W   NW   NW   NW   NE   SE   SW    W
WIND (MPH)          5    5    5   11    6    3    3    4    5    6    5    5    9    3    4    4    3
WIND GUST (MPH)                   18                                                     10
PRECIP PROB (%)    20   20    5    5   10   10   60   60   20   20    0    0    0    0   40   40    5
PRECIP TYPE         T    T                        R    R    T    R                        T    T
6 HOUR QPF                 0.01      0.00      0.00      0.09      0.00      0.00      0.00      0.00
12 HOUR QPF                          0.01                0.09                0.00                0.00
 LOW END QPF                         0.00                0.02                0.00                0.00
 HIGH END QPF                        0.07                0.25                0.01                0.12
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) 15.2 15.0 14.8 14.8 14.6 14.6 14.9 15.1 15.0 14.8 14.5 14.6 14.7 14.5 14.9 15.0 14.8
SNOW RATIO (:1)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0

DATE                         WED 08/26/26        THU 08/27/26        FRI 08/28/26        SAT 08/29/26        SUN 08/30/26
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        FW   FW   SC   BK   FW   FW   SC   SC   FW   FW   SC   BK   SC   SC   SC   SC   FW   FW   SC   SC
CLOUD COVER (%)    10   20   25   50   15   20   35   50   20   20   25   55   30   30   30   50   25   25   40   35
TEMPERATURE        51   49   61   60   51   50   61   61   52   50   60   60   52   49   60   60   51   49   59   58
MAX/MIN TEMP            49        64        49        64        49        63        49        63        48        62
WIND DIR            W    W   SW    W    W    W   SW    W    W    W   SW    W    W    W   SW    W    W   SW   SW   SW
WIND (MPH)          3    2    4    6    8    6    5   11   10    9    6   10   10   10    8   12   11   11   11   16
WIND GUST (MPH)              10   13             13   18             16   17             17   19             20   25
PRECIP PROB (%)     0    0   10    0    0    0   20   20    0    0   10   10    0    0   20   10    5    5   30   10
PRECIP TYPE                   T                   T    T              T    T              T    T              T    T
12 HOUR QPF           0.00      0.00
12 HOUR SNOW           0.0       0.0
12 HOUR ICE           0.00      0.00
SNOW LEVEL (KFT) 14.4 14.3 14.4 14.6 14.2 14.0 14.3 14.6 14.3 14.0 14.3 14.7 14.4 14.2 14.4 14.8 14.3 14.2 14.4 14.7
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                                        MONDAY 08/24/26                         TUESDAY 08/25/26
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        BK   BK   BK   SC   BK   SC   OV   OV   BK   SC   FW   FW   SC   FW   BK   BK   BK
CLOUD COVER (%)    60   60   60   45   55   45   70   80   65   50   10   15   35    5   55   60   55
TEMPERATURE        64   55   54   52   50   60   71   65   63   56   55   53   52   63   72   73   69
MIN/MAX TEMP                           48                  73                  50                  75
WIND DIR            W    W    W    W   NW    N    E   SW    W    W    W    W   NW    E    E   SW    W
WIND (MPH)          4    5    5    5    5    3    3    3    4    5    4    4    3    3    5    3    3
WIND GUST (MPH)    10                                  9                                 11    9
PRECIP PROB (%)    20   20    5    5   10   10   60   60   20   20    0    0    0    0   40   40    5
PRECIP TYPE         T    T                        R    R    T    R                        T    T
6 HOUR QPF                 0.00      0.00      0.00      0.09      0.00      0.00      0.00      0.00
12 HOUR QPF                          0.00                0.09                0.00                0.00
 LOW END QPF                         0.00                0.02                0.00                0.00
 HIGH END QPF                        0.06                0.22                0.01                0.11
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) 15.2 15.0 14.8 14.8 14.6 14.6 14.9 15.1 14.9 14.9 14.6 14.6 14.7 14.5 14.9 15.0 14.9
SNOW RATIO (:1)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0

DATE                         WED 08/26/26        THU 08/27/26        FRI 08/28/26        SAT 08/29/26        SUN 08/30/26
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        FW   FW   SC   BK   FW   FW   SC   SC   FW   FW   SC   BK   SC   SC   SC   SC   FW   FW   SC   SC
CLOUD COVER (%)    10   20   25   50   15   20   35   50   20   20   25   60   25   30   30   50   25   25   45   35
TEMPERATURE        58   54   74   70   59   56   75   71   59   56   74   70   59   55   73   70   59   55   73   68
MAX/MIN TEMP            53        77        53        77        53        76        52        76        52        75
WIND DIR            W    W   SW    W    W    W   SW    W    W    W   SW    W    W    W   SW    W    W   SW   SW   SW
WIND (MPH)          3    2    4    6    6    5    5   10    9    8    8   10    9    9    9   11   10   10   11   14
WIND GUST (MPH)              10   12             12   18             14   17   14        16   19   16        19   25
PRECIP PROB (%)     0    0   10    0    0    0   20   10    0    0   10   10    0    0   20   10    5    5   30   10
PRECIP TYPE                   T                   T                   T    T              T    T              T    T
12 HOUR QPF           0.00      0.00
12 HOUR SNOW           0.0       0.0
12 HOUR ICE           0.00      0.00
SNOW LEVEL (KFT) 14.4 14.3 14.4 14.7 14.2 14.0 14.3 14.7 14.3 14.0 14.3 14.8 14.4 14.2 14.4 14.8 14.3 14.2 14.4 14.7
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