A Pacific storm will bring rain and high elevation snow from the Pacific Northwest into the Northern Rockies. A series of storms are expected to move through the Bering Sea bringing strong winds, heavy precipitation, and elevated water levels from the West Coast to northern Alaska. Read More >
FWUS46 KPQR 270904
AVGPQR
Avalanche Weather Guidance
National Weather Service Portland OR
203 AM PDT Tue Oct 27 2026
...Mount St. Helens...
Date Tuesday 10/27/26 Wednesday 10/28/26
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 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 85 85 75 95 85 90 95 100 100 95 95 85 95 95 90 90 85
Temperature 37 37 33 35 33 31 32 33 32 33 29 31 29 29 29 30 30
Max/Min Temp 37 29 33 27
Wind Dir W W W W W W SW W W SW SW SW SW S S S S
Wind (mph) 6 5 6 6 6 9 17 18 16 12 6 3 1 2 5 9 10
Wind Gust (mph) 12 14 16 16 29 31 29 23 18 11 6 11
Precip Prob (%) 70 40 40 90 30 50 100 100 80 80 70 70 90 90 90 90 80
Precip Type S S S S S S S S S S S S S S S S S
6 Hour QPF 0.02 0.05 0.18 0.52 0.22 0.13 0.10 0.08
6 Hour Snow 0.1 0.1 1.5 4.6 2.4 1.3 1.2 1.0
12 Hour Snow 0.2 6.1 3.7 2.2
Low End Snow 0.0 3.6 1.5 0.1
High End Snow 1.5 10.2 7.5 5.8
6 Hour Ice 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Snow Level (kft) 5.3 5.1 5.0 4.7 4.3 4.3 4.4 4.3 4.1 3.9 4.0 4.1 4.1 3.8 3.8 3.6 3.5
...Mount Hood...
Date Tuesday 10/27/26 Wednesday 10/28/26
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 OV OV OV OV OV OV OV OV OV OV OV OV OV BK BK BK
Cloud Cover (%) 90 85 75 85 80 85 85 90 95 100 100 85 85 80 60 60 60
Temperature 33 34 28 29 27 29 28 29 29 31 25 27 25 26 25 24 24
Max/Min Temp 34 25 31 22
Wind Dir W W W W W W W W W SW W W SW SW SW SW SW
Wind (mph) 12 9 10 11 16 24 28 33 29 19 11 8 6 8 8 8 5
Wind Gust (mph) 25 16 19 25 31 46 55 61 57 48 27 21 18 16 13 13 11
Precip Prob (%) 90 60 60 80 60 50 60 80 70 100 90 70 70 70 30 30 10
Precip Type S S S S S S S S S S S S S S S S
6 Hour QPF 0.09 0.05 0.11 0.40 0.32 0.16 0.06 0.01
6 Hour Snow 1.0 0.5 1.4 5.3 4.7 2.3 0.9 0.2
12 Hour Snow 1.5 6.7 7.0 1.1
Low End Snow 0.2 2.3 2.8 0.1
High End Snow 4.8 11.7 12.3 3.3
6 Hour Ice 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Snow Level (kft) 5.5 5.3 5.3 5.3 4.6 4.4 4.3 4.5 4.5 4.3 4.5 4.4 4.3 3.8 3.5 3.3 3.1
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain
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