A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >
FWUS46 KPQR 161832
AVGPQR
Avalanche Weather Guidance
National Weather Service Portland OR
1131 AM PDT Mon Mar 16 2026
...Mount St. Helens...
Date Tuesday 03/17/26 Wednesday 03/18/26
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 OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 15 30 35 65 80 90 95 80 90 90 80 80 90 90 85 85 85
Temperature 44 40 37 37 37 37 38 39 40 40 40 39 37 38 38 41 41
Min/Max Temp 35 40 36 43
Wind Dir SW SW W W W SW SW SW SW SW SW SW SW SW S SW SW
Wind (mph) 12 11 11 11 11 10 9 9 9 10 11 11 11 10 10 10 10
Wind Gust (mph) 23 18 18 18 18 16 17 17 16 16 17 18 18 16 17 18 18
Precip Prob (%) 0 5 10 40 60 70 90 60 80 80 70 70 90 90 80 80 70
Precip Type S R R R R R R R R R R R R R
6 Hour QPF 0.00 0.08 0.25 0.27 0.16 0.15 0.24 0.14
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) 6.3 6.1 5.7 6.4 9.3 9.9 9.6 9.7 9.6 9.4 8.8 7.4 7.5 8.3 8.2 8.1 8.3
...Mount Hood...
Date Tuesday 03/17/26 Wednesday 03/18/26
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 FW FW FW FW BK BK BK BK BK SC SC BK BK BK BK BK
Cloud Cover (%) 25 10 10 15 25 55 50 55 70 55 45 45 60 60 55 55 65
Temperature 43 37 36 35 34 35 38 42 42 40 37 36 34 35 42 46 45
Min/Max Temp 33 43 33 48
Wind Dir SW SW W W W W W W SW W SW SW SW W W W W
Wind (mph) 21 20 23 20 20 18 16 17 17 14 18 20 21 18 17 18 19
Wind Gust (mph) 34 29 31 29 29 27 25 27 26 24 26 29 31 27 27 29 31
Precip Prob (%) 0 0 5 10 10 30 30 20 30 30 20 20 40 40 30 30 30
Precip Type S S S S S S S S S S S S
6 Hour QPF 0.00 0.00 0.00 0.00 0.02 0.01 0.04 0.02
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0
12 Hour Snow 0.0 0.0 0.0 0.1
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.1
6 Hour Ice 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Snow Level (kft) 7.0 6.7 6.4 6.0 7.1 10.0 9.4 9.5 9.5 8.3 6.8 6.1 5.8 6.3 6.9 8.0 8.0
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain
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