Avalanche Weather Guidance
Issued by NWS Portland, OR
Issued by NWS Portland, OR
398
FWUS46 KPQR 181830
AVGPQR
Avalanche Weather Guidance
National Weather Service Portland OR
1130 AM PDT Tue Aug 18 2026
...Mount St. Helens...
Date Wednesday 08/19/26 Thursday 08/20/26
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 SC FW FW FW FW FW SC SC SC SC SC SC FW FW FW FW FW
Cloud Cover (%) 45 25 20 15 20 20 40 35 30 35 30 30 25 10 10 10 10
Temperature 60 55 51 50 49 51 57 61 61 57 54 54 53 56 63 66 65
Min/Max Temp 48 62 52 67
Wind Dir NW NW NW NW NW NW NW NW NW N N N N NW W W W
Wind (mph) 8 5 4 4 4 3 3 4 3 3 4 5 6 4 3 4 4
Wind Gust (mph) 13
Precip Prob (%) 0 0 0 0 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 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) 9.5 9.5 9.8 9.9 10.1 10.5 10.6 10.4 10.3 10.2 10.5 10.5 10.7 10.7 10.7 10.9 11.0
...Mount Hood...
Date Wednesday 08/19/26 Thursday 08/20/26
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 CL FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 0 5 10 15 10 10 15 35 15 25 20 15 15 10 10 10 10
Temperature 58 52 51 50 49 52 58 61 61 54 55 54 53 57 63 66 64
Min/Max Temp 48 63 52 67
Wind Dir W W W W SW W W W W W SW SW SW W W W W
Wind (mph) 13 12 9 8 8 9 4 5 5 6 6 6 6 6 3 4 6
Wind Gust (mph) 24 20 16 13 13 11 16 16 9 14 13
Precip Prob (%) 0 0 0 0 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 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) 10.1 10.2 10.2 10.1 10.0 9.9 10.0 10.2 10.8 11.6 11.7 11.5 11.6 11.6 11.8 11.7 12.1
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain