A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >
FWUS46 KPQR 310904
AVGPQR
Avalanche Weather Guidance
National Weather Service Portland OR
203 AM PDT Tue Mar 31 2026
...Mount St. Helens...
Date Tuesday 03/31/26 Wednesday 04/01/26
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 SC BK OV OV BK OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 40 65 75 75 65 70 85 85 100 100 100 100 100 100 95 95 95
Temperature 27 28 32 33 34 32 30 29 28 30 30 30 29 29 28 28 27
Max/Min Temp 35 28 31 26
Wind Dir SE S S S SW SW SW S S S SE S SW SW SW SW SW
Wind (mph) 16 14 12 12 12 10 11 13 16 17 20 18 17 13 11 10 9
Wind Gust (mph) 24 23 21 20 19 17 19 23 26 29 33 31 28 24 19 16 16
Precip Prob (%) 0 10 40 30 40 40 10 80 100 100 100 100 100 100 90 90 90
Precip Type S S S S S S S S S S S S S S S
6 Hour QPF 0.00 0.01 0.04 0.32 0.67 0.62 0.31 0.17
6 Hour Snow 0.0 0.1 0.2 3.0 6.5 5.3 3.2 2.0
12 Hour Snow 0.1 3.2 11.8 5.2
Low End Snow 0.0 0.0 1.7 1.5
High End Snow 0.8 4.9 14.6 8.8
6 Hour Ice 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Snow Level (kft) 1.6 2.0 3.1 3.9 4.2 4.0 3.3 2.9 3.0 3.4 3.6 3.7 3.4 2.9 2.5 2.3 2.2
...Mount Hood...
Date Tuesday 03/31/26 Wednesday 04/01/26
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 (%) 80 90 80 85 80 75 85 90 100 100 100 100 100 100 95 95 100
Temperature 25 26 27 27 27 27 26 26 25 27 29 27 24 24 22 23 22
Max/Min Temp 29 24 29 21
Wind Dir SW SW SW SW SW SW SW SW SW SW S SW SW SW SW SW SW
Wind (mph) 16 12 10 9 10 9 10 11 11 13 17 19 26 25 23 23 23
Wind Gust (mph) 24 21 19 16 18 17 18 19 19 23 27 32 41 37 35 34 35
Precip Prob (%) 50 60 70 60 60 50 30 80 100 100 100 100 100 100 90 90 100
Precip Type S S S S S S S S S S S S S S S S S
6 Hour QPF 0.22 0.13 0.04 0.24 0.47 0.52 0.22 0.15
6 Hour Snow 2.3 1.3 0.4 2.6 5.2 5.6 2.6 1.9
12 Hour Snow 3.6 3.0 10.8 4.5
Low End Snow 0.1 0.2 2.4 1.7
High End Snow 3.7 4.0 11.3 9.0
6 Hour Ice 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Snow Level (kft) 3.5 3.8 4.2 4.8 4.8 4.4 4.0 3.8 4.0 4.2 4.6 4.4 3.6 3.1 2.4 2.3 2.2
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain
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