National Weather Service United States Department of Commerce
 

FWUS46 KPQR 200903
AVGPQR

Avalanche Weather Guidance
National Weather Service Portland OR
203 AM PDT Sun Sep 20 2026


...Mount St. Helens...

Date                    Sunday 09/20/26                         Monday 09/21/26                    
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   CL   CL   CL   CL   CL   CL   CL   FW   SC   SC   OV   BK   SC   SC   SC   BK
Cloud Cover (%)     5    5    0    5    5    5    5    5   20   40   50   75   65   30   25   35   60
Temperature        52   53   60   63   61   53   55   55   54   53   57   58   55   48   47   45   44
Max/Min Temp                           63                  52                  59                  43
Wind Dir           SE   SE   SE   SE    E   SE   SE    S    S    W    W    W   NW    N    N    N    N
Wind (mph)          6    4    3    3    1    3    4    4    3    3    4    4    4    4    5    5    6
Wind Gust (mph)                                                           10   10                    
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)  8.8  8.9  8.9  9.2  9.2  9.1  9.3  9.5  9.6  9.5  9.3  9.1  8.7  8.7  8.6  8.5  8.5


...Mount Hood...

Date                    Sunday 09/20/26                         Monday 09/21/26                    
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   CL   CL   CL   CL   FW   CL   FW   SC   FW   SC   BK   BK   SC   SC   SC   SC
Cloud Cover (%)    10    5    0    0    5   10    5   15   25   20   35   55   60   50   25   25   45
Temperature        50   52   59   60   58   51   53   53   53   52   57   56   51   45   45   45   43
Max/Min Temp                           61                  51                  58                  41
Wind Dir            W   SW   SE   SE   SE    S    S    S    S   SW    W    W    W    W    W    W    W
Wind (mph)          6    6    4    3    3    3    6    8    6    4    3    4    5    8   10   10   11
Wind Gust (mph)         13   11   13   10        13   13        10   12   14   13   13        16   17
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)  9.2  9.3  9.4  9.6  9.7  9.8 10.1 10.2 10.3 10.2 10.2 10.2 10.1  9.4  8.9  8.9  8.7

$$

--- Precip Type Codes ---

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