Avalanche Weather Guidance
Issued by NWS Portland, OR

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
045
FWUS46 KPQR 180904
AVGPQR

Avalanche Weather Guidance
National Weather Service Portland OR
203 AM PDT Fri Sep 18 2026


...Mount St. Helens...

Date                    Friday 09/18/26                         Saturday 09/19/26
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   FW   FW   FW   FW   FW   SC   SC   FW   SC   SC   FW   FW   FW   FW
Cloud Cover (%)    25   20   20   15   15   15   10   15   40   30   25   25   30   20   15   10   10
Temperature        43   44   50   53   53   47   45   46   45   46   55   57   57   49   48   50   50
Max/Min Temp                           54                  43                  58                  48
Wind Dir           NW   NW    W    W   NW    N   NE    E   NW    N    W    W   NW    N    N   NE   NE
Wind (mph)          4    4    3    5    4    2    4    5    5    4    2    3    2    3    5    6    6
Wind Gust (mph)
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)  7.6  7.6  7.6  8.1  8.3  8.3  8.4  8.4  8.4  8.4  8.7  8.9  8.9  9.1  9.1  8.9  8.8


...Mount Hood...

Date                    Friday 09/18/26                         Saturday 09/19/26
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        SC   FW   FW   FW   FW   FW   FW   FW   SC   FW   FW   FW   FW   FW   FW   FW   FW
Cloud Cover (%)    25   20   15   20   15   15    5   10   35   20   15   20   10   20   15   20   25
Temperature        42   43   48   50   48   42   41   41   42   45   54   56   54   47   49   49   49
Max/Min Temp                           51                  39                  57                  47
Wind Dir            W   NW   NW    W    W   NW   NW   SW   SW   SW   NW   NW   NW    W   SW   SW    S
Wind (mph)         11    9    6    6    6    5    5    6    5    3    2    2    3    2    3    4    4
Wind Gust (mph)    17   16   14   17   16        11              9    9   10              9
Precip Prob (%)     5    5    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)  8.1  7.8  8.0  8.4  8.3  8.2  8.2  8.3  8.4  8.5  9.1  9.4  9.4  9.1  9.1  9.0  9.0

$$

--- Precip Type Codes ---

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