A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >
FWUS46 KPQR 182104
AVGPQR
Avalanche Weather Guidance
National Weather Service Portland OR
203 PM PDT Sun Oct 18 2026
...Mount St. Helens...
Date Monday 10/19/26 Tuesday 10/20/26
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 BK OV OV OV OV OV BK BK OV OV OV OV OV SC FW FW FW
Cloud Cover (%) 60 80 90 90 90 70 70 70 85 90 95 85 85 45 20 20 10
Temperature 44 40 41 40 39 37 39 41 39 36 36 36 36 37 48 51 49
Min/Max Temp 37 41 34 51
Wind Dir SE SE S S SW SW S SW NW N NE NE NE E E E SE
Wind (mph) 2 4 5 4 4 4 3 2 1 4 8 8 10 10 4 3 1
Wind Gust (mph) 11 10
Precip Prob (%) 0 0 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 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) 6.1 6.1 6.3 6.1 5.8 5.3 5.3 5.4 5.7 5.7 5.6 5.9 6.5 6.8 7.1 7.4 7.5
...Mount Hood...
Date Monday 10/19/26 Tuesday 10/20/26
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 BK OV BK OV OV OV OV OV OV OV OV OV OV BK SC FW SC
Cloud Cover (%) 50 80 60 75 95 95 85 85 90 90 90 95 90 60 30 25 30
Temperature 39 35 35 36 35 35 35 36 34 33 35 35 34 35 40 42 39
Min/Max Temp 32 37 32 43
Wind Dir SW SW SW SW SW SW SW SW S E SE E E E E E E
Wind (mph) 3 5 4 3 3 4 2 2 2 2 3 5 10 12 13 10 8
Wind Gust (mph) 10 9 8 13 16 20 25 21 18
Precip Prob (%) 0 0 0 0 5 10 5 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) 7.1 7.3 7.0 6.4 6.0 6.0 6.0 6.4 6.9 6.9 7.0 7.1 7.0 6.7 7.1 7.3 7.4
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain
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