Avalanche Weather Guidance
Issued by NWS Portland, OR
Issued by NWS Portland, OR
752
FWUS46 KPQR 161101
AVGPQR
FWUS46 KPQR 161101
AVGPQR
Avalanche Weather Guidance
National Weather Service Portland OR
401 AM PDT Fri May 16 2025
...Mount St. Helens...
Date Friday 05/16/25 Saturday 05/17/25
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 80 80 75 85 90 90 90 95 95 100 100 90 90 80 80 80
Temperature 33 34 34 36 38 39 38 38 38 37 36 36 34 33 32 31 30
Max/Min Temp 39 36 38 30
Wind Dir W W W SW W W SW SW W W W W W W W W W
Wind (mph) 8 8 8 6 6 5 4 4 5 6 9 14 16 18 18 17 14
Wind Gust (mph) 16 17 16 16 11 13 18 29 27 29 29 28 26
Precip Prob (%) 50 30 40 40 30 40 50 80 100 100 100 100 80 80 50 50 60
Precip Type S S S S S S S S S S S S S S S S S
6 Hour QPF 0.05 0.02 0.01 0.16 0.13 0.25 0.12 0.09
6 Hour Snow 0.2 0.0 0.0 0.1 0.2 0.8 0.8 0.8
12 Hour Snow 0.2 0.1 1.0 1.6
Low End Snow MM MM MM MM
High End Snow MM 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) 5.2 5.4 5.8 6.3 6.6 6.6 6.6 6.5 6.1 5.8 5.5 5.5 5.2 4.6 3.8 3.6 3.5
...Mount Hood...
Date Friday 05/16/25 Saturday 05/17/25
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 BK BK BK OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 75 65 55 60 75 85 85 85 100 100 100 100 90 90 80 70 75
Temperature 29 31 32 34 35 34 34 33 33 33 31 30 29 29 28 26 25
Max/Min Temp 37 31 33 25
Wind Dir W W W W W SW SW SW W W W W W W W W W
Wind (mph) 19 18 13 13 13 14 13 12 11 14 18 25 28 33 34 36 35
Wind Gust (mph) 33 33 28 25 27 29 29 26 20 28 33 42 40 44 46 48 47
Precip Prob (%) 30 20 20 20 20 20 20 70 100 100 100 100 80 80 50 50 60
Precip Type S S S S S S S S S S S S S S S S S
6 Hour QPF 0.01 0.00 0.00 0.10 0.28 0.25 0.20 0.15
6 Hour Snow 0.1 0.0 0.0 0.5 2.2 2.0 2.3 2.0
12 Hour Snow 0.1 0.5 4.2 4.3
Low End Snow MM MM MM MM
High End Snow MM 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) 5.3 5.6 6.2 6.7 6.9 6.9 6.9 6.8 6.3 6.0 5.8 5.8 5.6 4.9 4.3 3.8 3.6
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain