A Nor'easter well off the East Coast will slowly track north this week and may gain some subtropical characteristics. Strong onshore winds will bring flooding, dangerous marine conditions, and beach erosion along the Mid-Atlantic coast. A Pacific storm is bringing gusty winds, severe thunderstorms, and mountain snow to portions of California and the Southwest U.S. through Thursday. Read More >
FWUS46 KPQR 212106
AVGPQR
Avalanche Weather Guidance
National Weather Service Portland OR
205 PM PDT Wed Oct 21 2026
...Mount St. Helens...
Date Thursday 10/22/26 Friday 10/23/26
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 CL FW FW FW FW FW FW SC OV OV OV OV OV SC SC FW FW
Cloud Cover (%) 5 5 20 10 15 10 15 40 80 80 75 70 75 50 25 15 10
Temperature 53 48 47 46 43 41 45 43 40 37 35 34 34 32 33 36 36
Min/Max Temp 41 45 32 37
Wind Dir W S S S SE W W NW NW NW NW NW NW NW NW NW NW
Wind (mph) 1 1 3 5 6 6 4 10 10 12 13 14 13 11 8 5 4
Wind Gust (mph) 17 18 21 24 25 24 19 16 12 10
Precip Prob (%) 0 0 0 0 5 5 5 5 5 5 20 5 0 0 0 0 0
Precip Type S
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.02 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0
12 Hour Snow 0.0 0.0 0.1 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.1 0.0
6 Hour Ice 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Snow Level (kft) 8.6 8.5 8.5 8.4 8.2 8.1 7.7 7.1 6.5 5.2 4.4 4.2 3.9 3.5 4.0 4.7 4.7
...Mount Hood...
Date Thursday 10/22/26 Friday 10/23/26
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 SC SC SC SC OV OV BK BK OV BK SC FW FW
Cloud Cover (%) 10 5 10 20 35 45 35 40 80 70 70 70 80 55 35 20 20
Temperature 50 44 44 43 42 41 43 40 35 34 31 28 27 28 25 28 28
Min/Max Temp 40 43 25 30
Wind Dir S SE S SW S S SW W W W W W W W W W W
Wind (mph) 2 3 3 3 3 4 6 12 20 29 35 35 33 23 13 9 5
Wind Gust (mph) 13 23 39 57 61 61 56 40 24 19 14
Precip Prob (%) 0 0 0 0 0 5 0 5 20 10 5 20 0 0 0 0 0
Precip Type S S
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.02 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.2 0.0 0.0
12 Hour Snow 0.0 0.0 0.2 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.2 0.0
6 Hour Ice 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Snow Level (kft) 8.7 8.7 8.7 8.7 8.7 8.7 8.6 8.2 6.8 5.9 3.7 3.8 3.5 3.2 3.7 4.7 4.9
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain
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