Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
557
FWUS46 KSEW 011007
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
307 AM PDT MON SEP 1 2025
...HURRICANE RIDGE...
DATE MONDAY 09/01/25 TUESDAY 09/02/25
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 FW FW FW FW FW CL CL FW BK BK FW FW FW CL FW FW FW
CLOUD COVER (%) 15 10 15 15 20 5 0 10 65 55 10 5 5 5 5 15 25
TEMPERATURE 52 53 60 63 63 58 55 55 56 57 66 69 70 64 62 61 62
MAX/MIN TEMP 64 54 70 60
WIND DIR SE SE E N N SE S S S S N N N SW SW SW SW
WIND (MPH) 3 2 2 2 2 2 3 3 3 3 2 2 2 2 4 4 4
WIND GUST (MPH)
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
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 9.4 9.9 10.2 10.4 10.3 9.9 9.7 9.7 10.7 10.8 11.0 11.0 11.3 11.1 11.3 12.0 12.3
...MOUNT BAKER SKI AREA...
DATE MONDAY 09/01/25 TUESDAY 09/02/25
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 FW FW FW SC SC FW SC BK FW FW FW CL FW FW FW FW
CLOUD COVER (%) 30 15 15 20 30 45 15 25 55 10 10 5 5 10 5 10 10
TEMPERATURE 58 59 66 71 72 65 61 63 62 64 74 79 79 71 67 67 66
MAX/MIN TEMP 73 60 80 64
WIND DIR SE S SW W NW S SE S S E NE W W SW E E E
WIND (MPH) 3 2 2 4 5 2 3 4 5 5 2 3 4 2 6 6 6
WIND GUST (MPH)
PRECIP PROB (%) 5 5 0 5 10 5 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
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 11.9 11.9 11.9 12.0 12.0 11.7 11.2 11.3 11.7 11.8 11.8 11.9 12.5 12.5 12.1 12.0 12.0
...STEVENS PASS...
DATE MONDAY 09/01/25 TUESDAY 09/02/25
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 FW FW FW BK SC BK SC OV FW FW FW FW CL FW FW FW FW
CLOUD COVER (%) 20 20 25 60 45 55 30 70 20 10 5 5 5 10 15 15 15
TEMPERATURE 55 56 70 78 77 68 61 61 60 61 77 85 85 74 64 64 63
MAX/MIN TEMP 79 59 86 62
WIND DIR SW SW S SW W SW E S SE E E SE SW W N NE NE
WIND (MPH) 2 2 3 3 4 3 1 2 3 3 3 3 3 2 3 4 4
WIND GUST (MPH)
PRECIP PROB (%) 5 5 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
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 12.1 11.8 11.5 11.5 11.3 10.9 11.7 12.0 12.1 11.9 11.8 12.1 12.5 12.2 12.0 12.0 12.0
...SNOQUALMIE PASS (3000 FEET)...
DATE MONDAY 09/01/25 TUESDAY 09/02/25
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 FW FW SC BK BK SC OV FW FW CL CL CL FW FW SC FW
CLOUD COVER (%) 30 15 25 25 50 55 50 70 15 5 5 5 5 10 20 25 25
TEMPERATURE 53 54 67 74 74 65 58 57 57 59 77 84 85 73 65 63 63
MAX/MIN TEMP 75 57 86 61
WIND DIR N N W W NW N N NE NE E SE S W N E E NE
WIND (MPH) 1 1 2 3 3 1 1 1 1 2 2 2 3 1 2 2 2
WIND GUST (MPH)
PRECIP PROB (%) 5 5 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
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 12.1 11.6 11.3 11.2 11.3 11.0 11.7 11.9 11.8 11.7 11.6 11.9 12.1 12.0 12.0 12.2 12.1
...WHITE PASS...
DATE MONDAY 09/01/25 TUESDAY 09/02/25
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 BK SC SC SC BK SC BK SC SC FW FW CL FW FW SC SC SC
CLOUD COVER (%) 60 35 40 30 55 45 60 50 30 15 5 5 15 10 35 45 35
TEMPERATURE 53 55 69 75 75 66 58 58 56 61 76 82 82 72 63 61 61
MAX/MIN TEMP 77 56 83 61
WIND DIR W NW E W W NW NW N E E SE S W NW N N N
WIND (MPH) 2 2 2 3 4 2 2 2 2 3 5 4 4 2 2 2 3
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 0 0 0 0 0 0 0 0 0 5 5 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
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 11.8 11.4 11.2 11.1 11.0 11.6 11.7 11.7 11.6 11.5 11.3 11.4 12.0 12.0 12.4 12.3 12.3
...PARADISE (MOUNT RAINIER - 5420 FEET) ...
DATE MONDAY 09/01/25 TUESDAY 09/02/25
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 FW FW SC BK BK BK BK SC FW FW FW FW FW SC SC SC
CLOUD COVER (%) 40 25 15 30 55 60 55 50 35 15 5 10 20 20 30 45 35
TEMPERATURE 55 55 62 66 66 59 58 61 61 61 69 74 75 67 66 66 66
MAX/MIN TEMP 67 58 76 63
WIND DIR NW W SE S W NW NW NW N E SE S SW N NE NE NE
WIND (MPH) 2 1 2 3 4 2 2 3 4 4 2 3 4 2 4 4 5
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
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
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 11.8 11.5 11.2 11.1 11.0 11.4 11.7 11.7 11.6 11.5 11.2 11.4 11.9 12.0 12.3 12.4 12.4
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN