Avalanche Weather Guidance
Issued by NWS Portland, OR

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FWUS46 KPQR 270904
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Avalanche Weather Guidance
National Weather Service Portland OR
203 AM PDT Sun Sep 27 2026


...Mount St. Helens...

Date                    Sunday 09/27/26                         Monday 09/28/26
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        OV   BK   SC   FW   FW   CL   CL   FW   SC   SC   SC   SC   BK   SC   SC   SC   OV
Cloud Cover (%)    70   60   45   25   15    5    5    5   35   35   35   50   65   40   50   40   70
Temperature        38   39   48   50   48   40   39   38   37   38   46   48   46   40   40   40   39
Max/Min Temp                           50                  37                  48                  39
Wind Dir           SE   SE   SE   SE    N    N   NW   NW   NW   NW    W    W    W   NW   NE   SE    S
Wind (mph)         12   11    3    1    2    3    5    5    5    4    3    4    3    1    1    4    5
Wind Gust (mph)                                                           10    9
Precip Prob (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0   20
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)  5.1  5.4  5.7  6.8  7.1  6.8  6.5  6.0  5.3  5.4  6.6  7.1  7.5  8.2 10.7 10.8  9.8


...Mount Hood...

Date                    Sunday 09/27/26                         Monday 09/28/26
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        OV   BK   SC   SC   FW   FW   CL   FW   SC   SC   SC   SC   BK   SC   SC   SC   SC
Cloud Cover (%)    85   65   30   30   10   15    5    5   45   30   45   30   55   40   35   30   40
Temperature        35   36   40   43   42   36   34   34   33   34   43   44   42   36   36   36   35
Max/Min Temp                           45                  32                  45                  34
Wind Dir           SE   SE   SE   SE   NW   NW    W    W    W    W    W    W    W    W    W    W    W
Wind (mph)         18   14    9    3    2    2    4    5    6    5    5    6    6    8    9   10   12
Wind Gust (mph)    29   25   18   11    9                       11   16   18   17   13   14        18
Precip Prob (%)     0    0    0    0    5    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)  6.6  6.8  7.2  7.7  7.7  7.2  6.8  6.5  6.0  5.9  6.8  7.2  7.5  7.9 10.5 10.9 10.4

$$

--- Precip Type Codes ---

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