A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >
FWUS46 KPQR 291201
AVGPQR
FWUS46 KPQR 291201
AVGPQR
Avalanche Weather Guidance
National Weather Service Portland OR
401 AM PST Mon Dec 29 2025
...Mount St. Helens...
Date Monday 12/29/25 Tuesday 12/30/25
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 SC SC BK BK OV SC SC FW FW SC FW FW FW FW FW SC
Cloud Cover (%) 50 45 55 55 70 30 30 20 25 30 20 25 10 15 25 30
Temperature 29 32 34 33 31 31 32 33 32 35 37 35 30 29 30 29
Max/Min Temp 35 31 37 26
Wind Dir NE NE NE NE NE E E E E E E E E E E E
Wind (mph) 18 16 11 10 17 19 20 21 21 20 14 13 18 19 19 17
Wind Gust (mph) 27 26 18 17 25 28 31 32 33 32 24 19 26 27 27 25
Precip Prob (%) 5 5 5 5 0 5 5 5 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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 MM MM
High End Snow 0.0 MM MM
6 Hour Ice 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Snow Level (kft) 4.0 4.7 5.4 5.8 6.1 6.2 6.6 6.8 6.9 7.3 7.4 7.0 6.8 6.5 6.6 6.3
...Mount Hood...
Date Monday 12/29/25 Tuesday 12/30/25
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 BK SC BK BK BK SC SC SC FW FW FW FW FW FW FW SC
Cloud Cover (%) 55 45 55 55 65 40 40 35 15 15 10 10 10 10 15 30
Temperature 25 29 30 27 28 28 28 28 29 33 33 30 25 25 26 25
Max/Min Temp 32 25 34 19
Wind Dir NE N N NE NE N N E E E E E E E NE SW
Wind (mph) 21 19 17 17 19 19 20 24 25 21 18 17 17 16 16 16
Wind Gust (mph) 33 31 27 25 29 29 32 34 34 32 28 25 25 24 23 21
Precip Prob (%) 5 5 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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 MM MM
High End Snow 0.0 MM MM
6 Hour Ice 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Snow Level (kft) 3.5 3.9 5.0 6.2 6.5 6.5 6.4 6.7 6.9 7.1 7.4 7.3 6.9 6.9 6.9 6.6
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain
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