National Weather Service United States Department of Commerce
 

FWUS46 KPQR 202106
AVGPQR

Avalanche Weather Guidance
National Weather Service Portland OR
205 PM PDT Wed May 20 2026


...Mount St. Helens...

Date                                        Thursday 05/21/26                       Friday 05/22/26
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   SC   FW   FW   FW   FW   FW   FW   CL   FW   FW   FW   CL   CL   CL   FW
Cloud Cover (%)    55   45   30   15   20   15   20   20   20    5   10   10   10    5    5    5    5
Temperature        49   47   43   41   40   49   55   56   56   54   48   46   44   51   55   56   55
Min/Max Temp                           39                  57                  44                  57
Wind Dir            N    N   NE   NE   NE   NE    E   NW   NW    N    N    N   NE   NE   SW    W   NW
Wind (mph)         19   17   14   12    9    6   10   10   18   11    9    9    8    5   10   14   17
Wind Gust (mph)    29   28   24   19             19   16   27   23   16   16   13             20   26
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)  7.1  7.0  7.0  7.3  7.3  7.2  7.5  8.3  8.5  7.8  7.5  7.3  7.6  7.5  7.7  8.2  8.3


...Mount Hood...

Date                                        Thursday 05/21/26                       Friday 05/22/26
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   BK   SC   FW   FW   FW   FW   FW   FW   FW   FW   FW   CL   CL   CL   CL   FW
Cloud Cover (%)    55   65   45   10   10   10    5   20   10    5   10    5    5    5    5    5   10
Temperature        44   43   38   38   38   46   48   50   51   50   45   43   41   49   53   52   51
Min/Max Temp                           36                  52                  41                  53
Wind Dir            W   NW   NE   NE    E    E    E    E   NE   NE    S   SW   SW   SW    W   NW   NW
Wind (mph)         16    9    4    5    8   12   17   10   10    5    6    6    6    4    8   12   17
Wind Gust (mph)    23   17        11   14   20   26   17   19             12   13        14   23   25
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)  7.9  7.6  7.7  7.8  7.3  7.1  7.3  8.0  8.4  8.1  7.7  7.6  7.4  7.2  7.7  8.4  8.9

$$

--- Precip Type Codes ---

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