Avalanche Weather Guidance
Issued by NWS Portland, OR

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516
FWUS46 KPQR 220630
AVGPQR

Avalanche Weather Guidance
National Weather Service Portland OR
1129 PM PDT Tue Jul 21 2026


...Mount St. Helens...

Date                                        Wednesday 07/22/26                      Thursday 07/23/26
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                       SC   FW   FW   FW   FW   SC   BK   BK   BK   BK   SC   BK   SC   SC
Cloud Cover (%)                   50   15   15   10   20   35   60   60   60   65   45   55   40   40
Temperature                       69   68   72   75   75   73   68   65   62   60   57   56   58   59
Min/Max Temp                           67                  77                  56                  60
Wind Dir                          SW    W    E    S    W   NW   NW   NW   NW   NW    W    W    W   NW
Wind (mph)                         6    8    5    4    6    8   10    5    6    6    8    6    9   10
Wind Gust (mph)                                            13   16             12   13   13   17   17
Precip Prob (%)               0    0    0    0    0    0   20   40   40   40   10    5    5    0    0
Precip Type                                                 R    R    R    R    R
6 Hour QPF                           0.00      0.00      0.00      0.00      0.02      0.00      0.00
6 Hour Snow                           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
 High End Snow                                            0.0                 0.0                 0.0
6 Hour Ice                           0.00      0.00      0.00      0.00      0.00      0.00      0.00
Snow Level (kft)                12.9 12.9 13.1 13.5 13.8 13.8 13.8 13.6 13.5 13.5 13.1 12.6 12.2 10.7


...Mount Hood...

Date                                        Wednesday 07/22/26                      Thursday 07/23/26
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                       BK   SC   FW   FW   SC   BK   BK   SC   FW   SC   SC   FW   FW   FW
Cloud Cover (%)                   65   35   15   15   50   65   50   30   15   35   45   15   10   20
Temperature                       68   67   70   70   70   68   64   62   59   58   56   55   57   57
Min/Max Temp                           65                  73                  54                  59
Wind Dir                          SW    W   SE   SW    N   NW   SW   SE    S   SW    W    W    W    W
Wind (mph)                         4    5    5    3    3    5   13   14   14   12   11   11   14   17
Wind Gust (mph)                             11   10   12   12   21   23   23   20   19   21   25   27
Precip Prob (%)               0    0    0    0    5    5   20   10   20   10    5    5    0    0    0
Precip Type                                                 R    R    R
6 Hour QPF                           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
12 Hour Snow                          0.0                 0.0                 0.0                 0.0
 Low End Snow                                             0.0                 0.0                 0.0
 High End Snow                                            0.0                 0.0                 0.0
6 Hour Ice                           0.00      0.00      0.00      0.00      0.00      0.00      0.00
Snow Level (kft)                13.5 13.7 13.8 13.9 14.0 14.0 13.8 13.9 13.7 13.3 13.1 12.1 11.1 10.1

$$

--- Precip Type Codes ---

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