Avalanche Weather Guidance
Issued by NWS Portland, OR
Issued by NWS Portland, OR
890
FWUS46 KPQR 151201
AVGPQR
FWUS46 KPQR 151201
AVGPQR
Avalanche Weather Guidance
National Weather Service Portland OR
401 AM PST Mon Dec 15 2025
...Mount St. Helens...
Date Monday 12/15/25 Tuesday 12/16/25
Time (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4a 7a 10a 1p 4p 7p 10p 1a 4a 7a 10a 1p 4p 7p 10p 1a 4a
Cloud Cover OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 100 100 85 95 80 85 85 100 100 100 100 100 100 100 100 100
Temperature 40 41 41 38 34 33 33 32 35 36 37 38 38 40 32 29
Max/Min Temp 41 32 40 27
Wind Dir SW SW SW SW W SW SW SW SW SW SW SW SW SW W W
Wind (mph) 23 25 25 25 20 14 16 17 19 21 25 26 34 36 36 33
Wind Gust (mph) 40 43 44 42 35 27 28 31 33 36 44 48 69 63 72 67
Precip Prob (%) 100 100 100 80 90 50 50 50 100 100 100 100 100 100 100 100 100
Precip Type R R R R S S S S S R R R R S S S
6 Hour QPF 1.76 1.03 0.28 0.19 0.77 0.98 1.02 1.07
6 Hour Snow 0.0 0.0 0.7 1.0 3.3 1.5 0.5 5.0
12 Hour Snow 0.0 1.7 4.8 5.5
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) 9.7 9.3 7.5 6.0 4.7 4.5 4.6 5.3 5.9 6.2 6.0 6.4 6.6 6.3 3.7 2.7
...Mount Hood...
Date Monday 12/15/25 Tuesday 12/16/25
Time (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4a 7a 10a 1p 4p 7p 10p 1a 4a 7a 10a 1p 4p 7p 10p 1a 4a
Cloud Cover OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 85 100 85 85 75 85 80 90 90 90 90 100 100 100 100 100
Temperature 39 40 40 35 31 31 31 30 32 32 33 35 35 36 30 24
Max/Min Temp 41 29 36 22
Wind Dir SW SW SW W SW SW W SW SW SW SW SW SW SW W W
Wind (mph) 28 31 36 41 39 32 28 29 29 28 35 34 44 51 55 54
Wind Gust (mph) 47 51 58 59 57 48 44 46 48 46 55 58 86 77 103 97
Precip Prob (%) 90 70 100 80 80 40 40 60 90 90 90 90 100 100 100 100 100
Precip Type S S S S S S S S S S S S S S S S
6 Hour QPF 0.91 1.47 0.47 0.26 0.31 0.46 0.57 1.27
6 Hour Snow 0.7 2.1 2.7 2.3 2.2 2.4 2.3 8.7
12 Hour Snow 2.8 5.0 4.6 11.0
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) 9.4 9.8 8.7 6.8 5.9 5.6 5.6 6.1 6.2 6.1 6.4 6.7 7.1 7.1 4.5 3.3
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain