Avalanche Weather Guidance
Issued by NWS Portland, OR
Issued by NWS Portland, OR
430
FWUS46 KPQR 312104
AVGPQR
Avalanche Weather Guidance
National Weather Service Portland OR
203 PM PDT Mon Aug 31 2026
...Mount St. Helens...
Date Tuesday 09/01/26 Wednesday 09/02/26
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 SC SC SC BK BK BK SC SC OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 30 35 35 55 55 65 30 50 80 90 90 90 85 85 100 100 100
Temperature 63 55 54 52 48 47 47 49 49 45 46 45 44 42 42 43 43
Min/Max Temp 46 51 41 44
Wind Dir S S S SW SW SW SW SW SW SW SW S S S S S S
Wind (mph) 3 2 1 4 5 6 5 8 5 5 10 16 18 20 18 13 9
Wind Gust (mph) 11 11 12 20 27 31 33 33 25 20
Precip Prob (%) 0 0 0 0 0 5 5 5 20 40 60 40 80 80 100 100 100
Precip Type R R R R R R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.04 0.09 0.31 0.59
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) 9.9 10.0 10.0 10.2 10.2 9.8 9.7 9.7 9.6 8.4 7.9 8.0 7.8 7.6 7.7 7.8 7.9
...Mount Hood...
Date Tuesday 09/01/26 Wednesday 09/02/26
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 SC BK BK BK FW SC OV OV OV OV BK OV OV OV OV
Cloud Cover (%) 20 45 35 60 60 60 20 35 75 95 85 80 70 70 95 95 100
Temperature 59 52 52 49 46 46 45 46 47 43 44 43 40 40 37 37 37
Min/Max Temp 44 52 37 43
Wind Dir S SW SW S SW SW SW SW W W W SW SW SW SW SW SW
Wind (mph) 3 3 5 8 8 10 9 13 20 21 19 14 14 12 12 6 5
Wind Gust (mph) 9 13 17 17 25 34 37 36 27 24 24 28 21 17
Precip Prob (%) 0 0 0 0 0 0 0 5 20 40 0 0 40 40 90 90 100
Precip Type S S S S S S S
6 Hour QPF 0.00 0.00 0.00 0.00 0.04 0.06 0.10 0.40
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.1 0.3 1.4
12 Hour Snow 0.0 0.0 0.1 1.7
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.1 1.7
6 Hour Ice 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Snow Level (kft) 10.3 10.5 10.5 10.2 10.0 9.7 9.7 9.8 9.4 8.9 8.2 8.2 7.8 7.7 8.0 8.3 8.3
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain