National Weather Service United States Department of Commerce
 

FWUS46 KPQR 310904
AVGPQR

Avalanche Weather Guidance
National Weather Service Portland OR
203 AM PDT Sun May 31 2026


...Mount St. Helens...

Date                    Sunday 05/31/26                         Monday 06/01/26                    
Time (LT)          05   08   11   14   17   20   23   02   05   08   11   14   17   20   23   02   05
                   5a   8a   11a  2p   5p   8p   11p  2a   5a   8a   11a  2p   5p   8p   11p  2a   5a   

Cloud Cover        SC   CL   CL   CL   CL   CL   CL   CL   FW   FW   FW   SC   SC   SC   SC   SC   SC
Cloud Cover (%)    30    5    0    5    5    5    0    0    5   15   20   35   35   50   50   50   45
Temperature        30   36   42   45   46   44   40   38   37   46   55   56   56   54   52   50   48
Max/Min Temp                           46                  36                  57                  48
Wind Dir            N    N    N    N    N    N    N   NE    E    E    S   NW   NW    N   NE   NE   NE
Wind (mph)         12   14   18   20   21   21   16   12   10    6    6    8   10    8   10   12   13
Wind Gust (mph)    21   24   29   33   34   34   26   18   16   14   16   14   17   14   16          
Precip Prob (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0
Precip Type                                                                                          
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)  4.4  4.3  5.1  5.8  6.1  5.6  6.2  6.8  6.7  7.2  7.7  8.4  8.7  7.7  7.4  7.6  7.4


...Mount Hood...

Date                    Sunday 05/31/26                         Monday 06/01/26                    
Time (LT)          05   08   11   14   17   20   23   02   05   08   11   14   17   20   23   02   05
                   5a   8a   11a  2p   5p   8p   11p  2a   5a   8a   11a  2p   5p   8p   11p  2a   5a   

Cloud Cover        SC   SC   FW   FW   FW   FW   CL   CL   CL   CL   FW   FW   FW   SC   SC   BK   SC
Cloud Cover (%)    35   25   10   10   10   10    5    0    5    5   20   20   25   50   50   55   45
Temperature        25   32   37   39   40   41   35   35   34   43   48   48   50   49   46   45   43
Max/Min Temp                           42                  32                  51                  42
Wind Dir           NW   NW   NW   NW   NW   NW    E    E    E    E    E    E    E    E    E    E    E
Wind (mph)         11   12   11   13   16   11    4    4    6   11   16   13   13    9   12   14   14
Wind Gust (mph)         19   19   23   25   17   10   10   12   23   25   20   20   16        20   20
Precip Prob (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0
Precip Type                                                                                          
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)  4.2  4.5  5.7  6.7  7.3  6.8  6.4  6.4  6.4  7.1  7.6  8.1  8.5  8.2  7.9  7.7  7.5

$$

--- Precip Type Codes ---

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