Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
643
FWUS46 KSEW 291012
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
312 AM PDT FRI AUG 29 2025
...HURRICANE RIDGE...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 SC SC SC FW FW FW FW SC BK BK SC FW FW SC
CLOUD COVER (%) 10 20 25 25 30 30 10 15 15 20 35 55 50 30 20 20 30
TEMPERATURE 57 57 64 65 65 60 55 54 53 55 62 63 63 58 55 55 54
MAX/MIN TEMP 66 53 64 52
WIND DIR SE E W N NW SW S S S SW N N N NW W SW SW
WIND (MPH) 4 3 1 2 2 2 4 4 4 4 2 2 2 2 3 3 3
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 0 0 0 0 0 0 0 5 5 10 10 10
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) 10.0 9.9 9.9 10.0 9.9 9.3 9.0 9.1 9.2 9.2 9.6 10.2 10.9 10.9 10.8 10.8 10.9
...MOUNT BAKER SKI AREA...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 SC SC SC SC SC FW FW SC SC BK SC SC SC
CLOUD COVER (%) 30 10 15 25 25 45 40 45 40 15 20 30 40 55 45 40 40
TEMPERATURE 59 60 68 70 70 65 60 58 56 57 65 69 70 65 62 61 61
MAX/MIN TEMP 71 54 71 58
WIND DIR S S S SW SW S S S S NE W W W NW NE E E
WIND (MPH) 5 4 2 4 4 2 4 4 4 3 2 4 4 2 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 5 5 5 10 5 0 0 0 0 0 0 0 5 5 10 10 10
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) 10.9 10.6 10.5 10.4 10.0 9.4 9.5 9.3 9.1 9.1 9.2 9.6 10.8 11.0 11.1 11.4 11.5
...STEVENS PASS...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 SC BK BK BK BK FW SC FW SC SC SC BK BK BK SC
CLOUD COVER (%) 35 25 35 55 60 65 50 25 45 20 30 40 40 55 55 60 45
TEMPERATURE 57 58 70 77 76 67 60 56 54 55 70 77 77 67 61 60 58
MAX/MIN TEMP 77 54 79 57
WIND DIR SE SE SW W W W S SW W W W W W NW N N NE
WIND (MPH) 2 2 2 3 4 2 2 2 2 3 2 3 4 3 3 3 3
WIND GUST (MPH)
PRECIP PROB (%) 5 5 5 5 0 0 0 0 0 0 0 0 5 5 10 10 10
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) 10.7 10.4 10.3 10.5 10.4 9.9 9.7 9.5 9.5 9.4 10.0 10.7 11.5 11.7 11.5 11.6 11.7
...SNOQUALMIE PASS (3000 FEET)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 BK BK BK BK BK FW SC SC FW SC SC SC BK SC BK BK
CLOUD COVER (%) 55 50 55 60 65 60 25 30 25 10 25 30 45 50 45 55 50
TEMPERATURE 58 58 71 78 77 68 60 56 55 56 71 77 77 67 60 58 57
MAX/MIN TEMP 78 54 78 55
WIND DIR E E S W NW N N NE NE NE W W NW NW N N NE
WIND (MPH) 2 1 2 3 3 1 1 1 1 1 2 3 3 1 2 1 1
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 0 0 0 0 0 0 0 10 10 20 20 10
PRECIP TYPE R R
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) 10.5 9.7 10.1 10.2 10.2 9.7 9.5 9.5 9.5 9.5 10.3 10.7 11.5 11.7 11.6 11.6 11.7
...WHITE PASS...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 OV BK BK SC FW FW SC FW FW SC SC BK BK SC SC SC
CLOUD COVER (%) 65 70 55 55 40 25 5 30 20 15 30 35 50 50 50 40 45
TEMPERATURE 54 57 70 75 75 67 56 54 52 57 71 75 76 66 58 56 55
MAX/MIN TEMP 76 52 77 55
WIND DIR S S SW W W W W W W NW SW SW W NW NW N NE
WIND (MPH) 2 3 3 5 5 2 2 2 2 2 3 4 4 2 2 2 2
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 10 10 10 10 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) 9.4 9.5 10.4 10.6 10.5 10.2 10.2 10.0 10.6 10.8 11.1 11.3 11.9 11.7 11.9 11.8 11.7
...PARADISE (MOUNT RAINIER - 5420 FEET) ...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 BK BK OV BK SC FW SC FW SC SC BK BK BK BK SC SC
CLOUD COVER (%) 65 65 70 75 55 35 10 50 20 25 40 60 65 60 60 50 50
TEMPERATURE 56 57 63 66 67 61 57 56 55 56 64 66 67 61 59 59 59
MAX/MIN TEMP 68 54 68 55
WIND DIR NW W W W W NW NW W NW NW SW W W N N NE NE
WIND (MPH) 4 3 2 4 4 2 2 3 2 2 2 4 4 2 2 2 3
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 10 10 20 20 10
PRECIP TYPE R R
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 9.6 9.8 10.1 10.1 9.6 9.6 9.5 10.0 10.5 10.8 11.0 11.6 11.5 11.9 11.7 11.7
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN