Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >
FWUS46 KPQR 061830
AVGPQR
Avalanche Weather Guidance
National Weather Service Portland OR
1129 AM PDT Sun Sep 6 2026
...Mount St. Helens...
Date Monday 09/07/26 Tuesday 09/08/26
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 OV BK BK SC SC BK BK SC SC SC SC FW FW FW CL FW CL
Cloud Cover (%) 85 60 65 35 45 55 55 40 35 25 25 15 20 10 5 10 5
Temperature 45 42 42 40 38 39 42 46 47 42 41 40 39 41 53 57 57
Min/Max Temp 38 47 39 58
Wind Dir NW NW NW NW NW NW NW NW NW N N N NE NE SW W W
Wind (mph) 2 3 4 5 6 5 4 5 4 4 8 9 10 9 1 2 1
Wind Gust (mph) 8 11 11
Precip Prob (%) 40 30 5 0 0 5 5 5 5 0 0 0 0 0 0 0 0
Precip Type R R
6 Hour QPF 0.10 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) 8.3 8.1 7.9 7.7 7.5 7.2 7.3 7.7 8.0 8.1 8.0 7.7 7.8 7.7 7.9 8.5 8.8
...Mount Hood...
Date Monday 09/07/26 Tuesday 09/08/26
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 OV OV OV OV OV BK SC FW CL FW FW FW FW FW CL CL CL
Cloud Cover (%) 80 85 70 75 70 55 35 15 5 5 5 10 10 10 5 5 5
Temperature 35 33 36 38 38 36 35 41 42 36 34 35 35 40 49 52 53
Min/Max Temp 33 43 33 54
Wind Dir N NW W NW W NW NW NW W W W SW S S SE N N
Wind (mph) 2 8 11 14 17 13 8 6 5 4 4 4 3 5 2 3 3
Wind Gust (mph) 9 19 26 27 21 17 17 14 9 11 9 12 10
Precip Prob (%) 40 30 30 10 5 5 0 0 0 0 0 0 0 0 0 0 0
Precip Type S S S
6 Hour QPF 0.04 0.05 0.00 0.00 0.00 0.00 0.00 0.00
6 Hour Snow 0.2 0.2 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.4 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.4 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) 8.2 8.3 8.2 8.0 7.5 7.3 7.5 7.8 8.0 7.9 7.9 7.9 7.9 7.9 8.2 8.7 8.8
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain
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