National Weather Service United States Department of Commerce
 

FWUS46 KPQR 120630
AVGPQR

Avalanche Weather Guidance
National Weather Service Portland OR
1129 PM PDT Tue Aug 11 2026


...Mount St. Helens...

Date                                        Wednesday 08/12/26                      Thursday 08/13/26
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                       FW   SC   FW   FW   SC   SC   BK   SC   SC   SC   FW   SC   SC   FW
Cloud Cover (%)                   25   35   20   25   45   50   55   45   35   25   15   30   35   20
Temperature                       52   51   50   51   53   53   51   51   51   50   51   56   58   58
Min/Max Temp                           49                  54                  49                  60
Wind Dir                          NW   NW    N   NW   NW   NW   NW    N    N   NE   NW    W   NW   NW
Wind (mph)                         9    9    9    8    9   10   10    9    6    5    3    4    5    6
Wind Gust (mph)                   16   14   14   13   14   17   17   14        11   10        11   12
Precip Prob (%)              10   10   20   10    5    5   10   10    5    0    0    0    0   10    5
Precip Type                                                                                    R     
6 Hour QPF                           0.00      0.00      0.00      0.01      0.00      0.00      0.07
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)                10.2 10.2 10.1 10.1 10.0  9.9  9.7  9.7  9.7  9.7  9.8 10.0 10.2 10.2


...Mount Hood...

Date                                        Wednesday 08/12/26                      Thursday 08/13/26
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   SC   SC   FW   FW   SC   SC   SC   SC   SC   FW   SC   BK   FW
Cloud Cover (%)                   30   40   30   15   20   25   35   40   35   35   10   30   55   20
Temperature                       51   50   50   49   50   49   47   49   50   49   51   54   56   55
Min/Max Temp                           48                  53                  47                  59
Wind Dir                           W    W    W    W    W    W    W    W    W    W   NW    N   NW   NW
Wind (mph)                        14   13   13   10   11   14   14   10    8    5    3    4    4    5
Wind Gust (mph)                   23   23   21   19   23   24   25   18   13   12   10   13   13   12
Precip Prob (%)               5   10   20   20    5    0    0    0    0    0    0    0    0   10    0
Precip Type                                  S                                                       
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)                10.3 10.1 10.1 10.2 10.2  9.9  9.4  9.3  9.3  9.4  9.5 10.4 10.8 10.6

$$

--- Precip Type Codes ---

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