Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
899
FWUS46 KSEW 171423
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
723 AM PDT SUN AUG 17 2025
...HURRICANE RIDGE...
DATE SUNDAY 08/17/25 MONDAY 08/18/25
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 BK OV OV OV OV OV OV BK SC OV OV OV BK BK BK
CLOUD COVER (%) 30 60 75 70 90 75 85 80 55 45 75 80 75 55 60 60
TEMPERATURE 45 51 51 50 47 46 46 45 47 52 53 51 49 47 46 46
MAX/MIN TEMP 53 44 55 46
WIND DIR S W N NW SW S S S SW N N NW W SW SW SW
WIND (MPH) 3 1 2 2 2 2 2 3 2 1 2 2 2 3 4 3
WIND GUST (MPH)
PRECIP PROB (%) 20 10 20 10 5 5 5 5 5 20 20 10 10 5 5 10
PRECIP TYPE R R 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) 7.2 7.7 8.1 8.0 7.6 7.4 7.2 6.9 7.1 7.6 8.4 8.6 8.7 8.8 8.8 9.0
...MOUNT BAKER SKI AREA...
DATE SUNDAY 08/17/25 MONDAY 08/18/25
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 OV BK BK BK OV OV OV OV OV BK BK OV OV OV BK BK
CLOUD COVER (%) 70 65 60 55 75 95 80 90 80 60 60 80 85 70 65 65
TEMPERATURE 48 50 53 54 51 49 49 48 49 52 55 56 52 50 50 49
MAX/MIN TEMP 56 48 58 49
WIND DIR S S S SW SW S S S S SW SW SW W SW S SW
WIND (MPH) 5 4 5 4 2 3 3 3 4 5 6 5 4 5 4 3
WIND GUST (MPH)
PRECIP PROB (%) 20 20 20 5 5 5 5 5 5 10 10 5 5 5 5 5
PRECIP TYPE R T R
6 HOUR QPF 0.01 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) 7.9 8.0 8.1 8.2 7.8 7.6 7.6 7.7 7.8 8.0 8.0 8.1 7.9 8.1 8.8 9.0
...STEVENS PASS...
DATE SUNDAY 08/17/25 MONDAY 08/18/25
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 OV SC BK BK BK OV OV OV OV SC SC SC SC BK BK BK
CLOUD COVER (%) 70 35 60 55 65 80 95 95 75 45 45 40 40 55 55 55
TEMPERATURE 48 54 62 62 55 51 50 49 49 57 64 63 56 51 49 48
MAX/MIN TEMP 64 48 65 47
WIND DIR W W W W W SW W SW W W W W W W W W
WIND (MPH) 3 4 5 5 4 2 2 2 3 4 5 5 5 5 4 3
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 5 5 5 5 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) 7.7 8.1 8.5 8.6 8.5 8.3 8.0 7.8 7.6 7.5 8.2 8.8 8.5 9.4 9.4 9.5
...SNOQUALMIE PASS (3000 FEET)...
DATE SUNDAY 08/17/25 MONDAY 08/18/25
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 BK BK OV OV OV OV BK SC SC SC SC BK BK SC
CLOUD COVER (%) 50 30 55 60 70 85 90 85 65 40 40 40 45 50 55 50
TEMPERATURE 49 56 62 64 57 53 51 50 49 58 64 64 57 52 50 48
MAX/MIN TEMP 65 49 66 47
WIND DIR W W W NW NW NW NW N W W W W W W NW NW
WIND (MPH) 2 3 4 4 2 1 1 1 1 3 4 4 2 3 2 1
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 5 5 5 5 5 5 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) 7.7 8.0 8.5 8.6 8.4 8.0 7.7 7.6 7.4 7.5 8.1 8.5 8.5 9.1 9.5 9.6
...WHITE PASS...
DATE SUNDAY 08/17/25 MONDAY 08/18/25
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 SC SC BK OV BK OV BK BK SC FW FW FW SC SC SC
CLOUD COVER (%) 45 40 40 70 70 65 80 65 55 35 20 20 25 30 35 35
TEMPERATURE 47 54 61 62 55 49 47 45 48 56 61 62 55 49 46 44
MAX/MIN TEMP 63 45 64 44
WIND DIR W W W W W W W W W W W W W W W W
WIND (MPH) 4 4 5 5 2 2 2 2 3 5 5 5 3 4 3 2
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 5 5 5 5 5 5 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) 7.7 8.2 8.6 8.5 7.9 7.7 7.8 7.8 7.8 7.8 8.2 8.6 8.6 9.6 9.7 9.6
...PARADISE (MOUNT RAINIER - 5420 FEET) ...
DATE SUNDAY 08/17/25 MONDAY 08/18/25
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 BK BK BK OV OV BK BK SC SC SC SC SC SC SC SC
CLOUD COVER (%) 30 55 60 60 70 70 70 70 50 45 45 40 35 40 40 40
TEMPERATURE 44 48 52 54 49 47 46 45 46 49 53 53 48 46 46 45
MAX/MIN TEMP 55 44 55 43
WIND DIR W SW W W W W W W W SW W W W NW NW N
WIND (MPH) 2 3 5 5 2 2 2 2 3 5 5 6 4 3 3 2
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 5 0 5 5 5 5 5 5 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) 7.7 8.1 8.4 8.4 8.0 7.8 7.6 7.6 7.5 7.6 8.1 8.5 8.5 9.8 9.6 9.6
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN