Avalanche Weather Guidance
Issued by NWS Portland, OR
Issued by NWS Portland, OR
197
FWUS46 KPQR 180630
AVGPQR
Avalanche Weather Guidance
National Weather Service Portland OR
1129 PM PDT Thu Sep 17 2026
...Mount St. Helens...
Date Friday 09/18/26 Saturday 09/19/26
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 FW FW FW FW FW SC SC FW SC SC
Cloud Cover (%) 15 25 20 20 15 15 15 10 15 40 30 25 25 30
Temperature 47 43 44 50 53 53 47 45 46 45 46 55 57 57
Min/Max Temp 42 54 43 58
Wind Dir W NW NW W W NW N NE E NW N W W NW
Wind (mph) 4 4 4 3 5 4 2 4 5 5 4 2 3 2
Wind Gust (mph)
Precip Prob (%) 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
6 Hour Snow 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
Snow Level (kft) 7.8 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
...Mount Hood...
Date Friday 09/18/26 Saturday 09/19/26
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 SC FW FW FW FW FW FW FW SC FW FW FW FW
Cloud Cover (%) 20 25 20 15 20 15 15 5 10 35 20 15 20 10
Temperature 44 42 43 48 50 48 42 41 41 42 45 54 56 54
Min/Max Temp 41 51 39 57
Wind Dir W W NW NW W W NW NW SW SW SW NW NW NW
Wind (mph) 12 11 9 6 6 6 5 5 6 5 3 2 2 3
Wind Gust (mph) 19 17 16 14 17 16 11 9 9 10
Precip Prob (%) 0 0 5 5 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
6 Hour Snow 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
Snow Level (kft) 8.8 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
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain