Avalanche Weather Guidance
Issued by NWS Portland, OR

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620
FWUS46 KPQR 211831
AVGPQR

Avalanche Weather Guidance
National Weather Service Portland OR
1130 AM PDT Fri Aug 21 2026


...Mount St. Helens...

Date                                        Saturday 08/22/26                       Sunday 08/23/26
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   BK   OV   SC   SC   CL   FW   BK   OV   OV   OV   OV   SC   SC   FW
Cloud Cover (%)    95   95   85   60   75   50   30    5   25   55   85   85   90   75   40   30   15
Temperature        63   60   60   57   55   52   52   55   55   51   50   50   50   48   49   54   55
Min/Max Temp                           52                  56                  48                  56
Wind Dir            S    S    S    S    S   SW   SW   SW   SW    W   SW   SW   SW    W    W    W   NW
Wind (mph)          2    1    2    5    5    8    6    9    6    6    6   11   10    8    4    5    6
Wind Gust (mph)                                  12   14   13        16   18   17   13             12
Precip Prob (%)    30   20   10   10   10   10   10    5    0    0    0    5   10   10    0    0    0
Precip Type         T    T
6 Hour QPF                 0.00      0.00      0.00      0.00      0.00      0.01      0.00      0.00
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) 12.6 12.6 12.6 12.5 12.3 11.7 10.8  9.5  9.4  9.3  8.9  8.8  9.1  8.9  8.9  9.2  9.4


...Mount Hood...

Date                                        Saturday 08/22/26                       Sunday 08/23/26
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   BK   BK   FW   CL   CL   FW   SC   SC   SC   BK   SC   FW   CL   CL
Cloud Cover (%)    95   95   85   65   60   15    0    0   15   35   40   40   50   30    5    5    5
Temperature        62   58   60   56   54   54   53   54   53   48   48   48   47   47   49   53   54
Min/Max Temp                           52                  57                  45                  56
Wind Dir           SW    S   SE   SE    S   SW   SW   SW    W    W    W    W    W    W    W    W    W
Wind (mph)          4    6    9   11   11   11   11   14   21   20   18   16   14   12    8    8    8
Wind Gust (mph)    11   12   14   19   18   18   20   26   36   36   29   28   25   19   14   18   17
Precip Prob (%)    20   30   20   20   10    0    0    0    0    0    0    0    0    0    0    0    0
Precip Type         T    T    T    T
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
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) 12.8 12.6 12.8 12.6 12.3 11.4 10.3  9.4  9.3  9.3  9.0  8.9  8.9  8.9  9.1  9.1  9.5

$$

--- Precip Type Codes ---

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