Avalanche Weather Guidance
Issued by NWS Portland, OR

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FWUS46 KPQR 302104
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Avalanche Weather Guidance
National Weather Service Portland OR
203 PM PDT Sun Aug 30 2026


...Mount St. Helens...

Date                                        Monday 08/31/26                         Tuesday 09/01/26
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   FW   FW   SC   SC   FW   FW   FW   SC   SC   SC   SC   SC   BK   SC   SC   BK
Cloud Cover (%)    20   15    5   25   35   15   10   15   40   50   30   40   40   65   45   45   65
Temperature        50   46   45   46   47   51   60   63   62   54   53   52   49   48   50   50   49
Min/Max Temp                           45                  64                  48                  51
Wind Dir            N    N   NE   SE   SE   SE   SE    S   SW    W    S   SW   SW    W   SW    W    W
Wind (mph)          5    4    8    8    9   10    6    4    3    2    2    3    4    5    5    8    6
Wind Gust (mph)    11                            13   11                                 11        12
Precip Prob (%)     5    0    5    5    5    0    0    0    0    0    0    0    5    5   10   10   50
Precip Type                                                                                         R
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) 10.5 10.6 10.7 10.6 10.5  9.8  9.3  9.4 10.0 10.2  9.8  9.9 10.0  9.9  9.8  9.5  9.3


...Mount Hood...

Date                                        Monday 08/31/26                         Tuesday 09/01/26
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   FW   FW   FW   SC   FW   CL   CL   SC   BK   SC   SC   BK   BK   SC   SC   BK
Cloud Cover (%)     5   15    5   25   35    5    0    5   50   60   50   45   60   50   30   30   70
Temperature        50   44   46   46   46   50   57   60   59   52   52   51   48   49   50   49   45
Min/Max Temp                           44                  62                  47                  51
Wind Dir           SW    W   SW    S   SW   SE    S   SW    W    W   SW   SW    W    W    W    W    W
Wind (mph)          5    2    4    8    9   12    9    3    3    4    5    6    9   10    9   12   17
Wind Gust (mph)    12             13   16   20   18   12    9             12        16   17   24   28
Precip Prob (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    5    5   50
Precip Type                                                                                         S
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)  9.7 10.3 10.2  9.8  9.3  9.0  9.7 10.1 10.4 10.5 10.5 10.4 10.2 10.0  9.9  9.7  9.6

$$

--- Precip Type Codes ---

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