Avalanche Weather Guidance
Issued by NWS Portland, OR

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854
FWUS46 KPQR 121830
AVGPQR

Avalanche Weather Guidance
National Weather Service Portland OR
1130 AM PDT Sat Sep 12 2026


...Mount St. Helens...

Date                                        Sunday 09/13/26                         Monday 09/14/26
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   SC
Cloud Cover (%)    90   85   95   95   90   95  100   95   85   75   80   80   70   60   40   35   40
Temperature        45   41   42   42   40   39   38   40   42   40   41   42   41   39   41   45   45
Min/Max Temp                           38                  42                  39                  45
Wind Dir           SE   SE   SW   SW    W    W    W    W    W    W    W    W    W   NW    W   NW   NW
Wind (mph)          2    3    4    8   12   13   10    6    3    4    5    6    6    5    2    3    3
Wind Gust (mph)                   14   20   24   19   12   10   10   11   12
Precip Prob (%)    80   70   90   90   80   90  100   70   40   20    0    0    0    0    0    0    0
Precip Type         R    R    R    S    S    R    R    R    R    S
6 Hour QPF                 0.27      0.27      0.49      0.16      0.02      0.00      0.00      0.00
6 Hour Snow                 0.0       0.0       0.1       0.0       0.0       0.0       0.0       0.0
12 Hour Snow                          0.0                 0.1                 0.0                 0.0
 Low End Snow                          MM                  MM                  MM                  MM
 High End Snow                         MM                  MM                  MM                  MM
6 Hour Ice                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Snow Level (kft)  7.9  7.6  7.2  6.5  6.3  6.5  7.0  7.5  7.4  7.0  6.4  6.2  6.3  6.3  7.2  8.2  8.3


...Mount Hood...

Date                                        Sunday 09/13/26                         Monday 09/14/26
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   BK   BK   BK   BK   SC   FW   FW   FW
Cloud Cover (%)   100   85   80   85   90   95   90   95   85   70   60   55   50   35   10   10   15
Temperature        38   35   35   35   34   33   30   32   33   36   37   37   36   33   35   41   42
Min/Max Temp                           29                  37                  32                  42
Wind Dir           SW   SW   SW   SW    W    W    W    W    W    W    W    W    W    W    W    W    W
Wind (mph)          4    5    9   19   24   21   18   14   13   18   21   19   16   10    5    4    5
Wind Gust (mph)    13   11   16   34   41   37   33   28   28   35   36   34   28   19   13   16   13
Precip Prob (%)   100   80   70   40   50   50   70   70   30   10    0    5    0    0    0    0    0
Precip Type         S    S    S    S    S    S    S    S    S
6 Hour QPF                 0.25      0.13      0.13      0.11      0.01      0.00      0.00      0.00
6 Hour Snow                 0.8       0.8       0.8       0.5       0.1       0.0       0.0       0.0
12 Hour Snow                          1.6                 1.3                 0.1                 0.0
 Low End Snow                          MM                  MM                  MM                  MM
 High End Snow                         MM                  MM                  MM                  MM
6 Hour Ice                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Snow Level (kft)  8.1  7.4  6.8  6.3  6.1  6.2  6.6  7.3  7.6  7.5  7.1  6.6  6.4  6.3  7.2  8.0  8.2

$$

--- Precip Type Codes ---

CODE   TYPE
 T     Thunderstorms
 R     Rain
 S     Snow
 I     Sleet
 Z     Freezing Rain