National Weather Service United States Department of Commerce
 

FWUS46 KPQR 170903
AVGPQR

Avalanche Weather Guidance
National Weather Service Portland OR
202 AM PDT Thu Sep 17 2026


...Mount St. Helens...

Date                    Thursday 09/17/26                       Friday 09/18/26                    
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        CL   CL   FW   FW   FW   CL   CL   CL   SC   FW   FW   FW   FW   FW   FW   FW   SC
Cloud Cover (%)     5    5    5   15   10    5    5    5   25   20   20   10   10    5   10   25   40
Temperature        51   51   59   60   58   50   48   47   43   44   49   52   52   46   44   44   44
Max/Min Temp                           61                  42                  53                  42
Wind Dir            E   NE   NW    W   NW   NW   NW   NW    W    W    W    W    W   NW    N    N    N
Wind (mph)         10    9    2    5    5    3    4    5    3    3    3    4    3    2    3    4    5
Wind Gust (mph)                        11                                                            
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                          MM                  MM                  MM                  MM
 High End Snow                         MM                  MM                  MM                  MM
6 Hour Ice                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Snow Level (kft)  9.4  9.4  9.4  9.3  9.2  8.9  8.3  8.1  7.9  7.6  8.0  8.4  8.4  8.3  8.3  8.5  8.5


...Mount Hood...

Date                    Thursday 09/17/26                       Friday 09/18/26                    
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        FW   FW   FW   BK   SC   FW   FW   FW   FW   FW   FW   FW   CL   FW   FW   FW   SC
Cloud Cover (%)    10   15   20   55   35   15   10   15   25   20   20   10    5   10   10   15   30
Temperature        46   48   54   56   53   47   47   45   42   42   46   49   47   41   40   42   41
Max/Min Temp                           57                  41                  50                  39
Wind Dir            E   NE   NE   NW   NW    W    W    W    W    W    W    W    W    W    W    W    W
Wind (mph)         11   10    2    3    6    8   12   13   11    9    8    6    6    5    6    5    5
Wind Gust (mph)    19   17    8   11   14   13   20   21   18   17   17   18   16             11     
Precip Prob (%)     0    0    0    0    5    0    5    5    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                          MM                  MM                  MM                  MM
 High End Snow                         MM                  MM                  MM                  MM
6 Hour Ice                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Snow Level (kft)  9.6  9.7  9.7  9.9  9.7  9.4  9.1  8.7  8.3  8.0  8.3  8.5  8.6  8.4  8.2  8.4  8.5

$$

--- Precip Type Codes ---

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