Avalanche Weather Guidance
Issued by NWS Portland, OR

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061
FWUS46 KPQR 181101
AVGPQR
FWUS46 KPQR 181101
AVGPQR

Avalanche Weather Guidance
National Weather Service Portland OR
401 AM PDT Sat Oct 18 2025


...Mount St. Helens...

Date                    Saturday 10/18/25                       Sunday 10/19/25
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   SC   BK   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV
Cloud Cover (%)    25   30   60   80   90   95  100   95  100  100  100  100   95   95   80   80   70
Temperature        35   36   42   41   40   38   38   36   36   36   34   35   34   34   36   36   36
Max/Min Temp                           43                  34                  36                  34
Wind Dir            S    S   SW   SW   SW   SW   SW   SW    W   SW   SW    W    W    W    W    W    W
Wind (mph)          9    9    5    3    3    8   17   16   17   18   18   14   11   11   10    8    5
Wind Gust (mph)                             13   26   27   27   29   29   24   20   19   18   13
Precip Prob (%)     0    5   30   50   30   90   90   80  100  100  100  100   90   90   60   60   20
Precip Type                   S    R    R    R    R    S    S    S    S    S    S    S    S    S    S
6 Hour QPF                 0.00      0.02      0.34      0.93      0.52      0.46      0.23      0.04
6 Hour Snow                 0.0       0.0       0.0       0.4       2.2       1.9       1.0       0.2
12 Hour Snow                          0.0                 0.4                 4.1                 1.2
 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)  4.6  4.7 10.0 10.8 10.9 10.7  9.3  6.4  5.4  5.3  5.4  5.4  5.2  5.1  4.9  4.7  4.6


...Mount Hood...

Date                    Saturday 10/18/25                       Sunday 10/19/25
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   SC   BK   BK   OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   BK
Cloud Cover (%)    25   25   20   40   50   55   85   95  100  100   90   90   90   90   80   65   60
Temperature        32   33   42   43   42   39   38   37   32   32   30   29   29   30   31   31   31
Max/Min Temp                           45                  30                  32                  29
Wind Dir            W   SW    W    W   SW   SW   SW   SW    W   SW   SW    W    W    W    W    W    W
Wind (mph)          5    6    4    3    3   10   19   29   32   29   27   25   23   23   18   13   10
Wind Gust (mph)                    9             31   50   50   46   41   36   34   35   31   21   16
Precip Prob (%)     0    5    5   20   30   30   70  100  100  100   90   90   80   80   50   50   10
Precip Type                        S    R    R    S    S    S    S    S    S    S    S    S    S
6 Hour QPF                 0.00      0.00      0.05      1.24      0.46      0.46      0.18      0.02
6 Hour Snow                 0.0       0.0       0.0       1.7       3.3       3.6       1.3       0.2
12 Hour Snow                          0.0                 1.7                 6.9                 1.5
 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)  5.0  5.3  7.9 10.8 11.2 10.9 10.5  8.7  5.9  5.5  5.6  5.6  5.5  5.3  5.2  4.8  4.7

$$

--- Precip Type Codes ---

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