Avalanche Weather Guidance
Issued by NWS Portland, OR
Issued by NWS Portland, OR
436
FWUS46 KPQR 102104
AVGPQR
Avalanche Weather Guidance
National Weather Service Portland OR
203 PM PDT Thu Sep 10 2026
...Mount St. Helens...
Date Friday 09/11/26 Saturday 09/12/26
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 OV SC FW FW BK BK BK OV OV OV OV OV OV OV BK OV OV
Cloud Cover (%) 90 35 25 25 65 55 60 85 90 90 95 95 95 70 60 75 85
Temperature 50 44 39 37 37 38 43 47 47 43 42 43 43 42 44 43 42
Min/Max Temp 36 47 41 44
Wind Dir NW NW NW NW NW NW W W NW N NE E SE SW SW W W
Wind (mph) 8 6 6 4 4 4 3 3 2 2 3 3 4 3 4 4 3
Wind Gust (mph) 13 10 10 10 10 9
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 40 40 80
Precip Type R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.11
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 MM MM MM
High End Snow 0.0 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) 7.1 6.4 5.8 5.7 5.8 5.8 6.2 6.8 7.0 6.8 6.5 6.4 6.5 6.9 7.0 7.0 7.1
...Mount Hood...
Date Friday 09/11/26 Saturday 09/12/26
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 OV BK FW FW OV BK SC SC OV OV OV OV OV BK BK BK OV
Cloud Cover (%) 75 65 20 20 70 70 35 40 85 90 90 95 95 55 55 65 85
Temperature 48 44 41 36 33 34 40 43 43 38 38 38 38 39 39 38 35
Min/Max Temp 33 45 37 41
Wind Dir W W W W W W W W W SW SW SW SW W W W W
Wind (mph) 16 17 18 16 13 10 4 5 4 4 5 4 4 5 4 4 9
Wind Gust (mph) 31 28 29 25 21 17 12 16 13 10 11 12 16 19
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 5 5 30 30 80
Precip Type S S S
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1
12 Hour Snow 0.0 0.0 0.0 0.1
Low End Snow 0.0 MM MM MM
High End Snow 0.0 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) 10.6 9.6 7.2 6.0 5.8 6.0 6.5 7.0 6.9 6.8 6.8 6.7 6.9 6.8 7.2 7.3 7.3
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain