Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
845
FWUS46 KSEW 180934
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
234 AM PDT MON AUG 18 2025
...HURRICANE RIDGE...
DATE MONDAY 08/18/25 TUESDAY 08/19/25
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 FW SC OV OV BK OV OV BK BK OV OV OV BK SC SC
CLOUD COVER (%) 85 65 25 50 70 80 65 75 70 65 60 80 85 85 55 45 35
TEMPERATURE 45 46 53 53 54 50 47 47 46 48 54 55 54 50 49 47 46
MAX/MIN TEMP 55 46 57 46
WIND DIR S S SW SW SW S S S S SW N N NW NW SW SW SW
WIND (MPH) 3 2 1 1 2 3 4 4 4 3 1 2 2 2 2 3 4
WIND GUST (MPH)
PRECIP PROB (%) 5 0 5 20 10 10 5 5 10 10 20 20 10 10 5 5 5
PRECIP TYPE 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) 7.4 7.5 8.3 8.7 8.8 8.9 9.4 9.6 9.7 9.8 9.8 9.8 9.9 9.7 9.5 9.0 8.5
...MOUNT BAKER SKI AREA...
DATE MONDAY 08/18/25 TUESDAY 08/19/25
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 SC SC OV OV OV OV OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 80 65 45 35 70 80 80 90 90 90 90 75 80 90 75 70 60
TEMPERATURE 48 50 53 57 58 54 51 51 50 50 54 57 57 52 52 50 48
MAX/MIN TEMP 59 49 59 48
WIND DIR S S S S S SW S S S S SW W W W W W W
WIND (MPH) 3 4 5 6 5 4 4 3 3 2 3 5 5 3 3 2 2
WIND GUST (MPH)
PRECIP PROB (%) 5 5 20 10 5 5 5 5 5 5 5 5 20 20 20 20 10
PRECIP TYPE R 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) 8.0 8.1 8.3 8.4 8.3 8.1 8.3 8.9 9.6 9.8 9.9 9.9 10.0 9.8 9.7 9.4 9.0
...STEVENS PASS...
DATE MONDAY 08/18/25 TUESDAY 08/19/25
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 SC SC SC SC BK OV OV BK SC SC SC BK BK OV BK
CLOUD COVER (%) 90 55 35 45 35 45 55 75 70 55 40 40 40 55 65 70 55
TEMPERATURE 49 50 58 65 65 59 52 49 48 49 59 66 65 57 52 50 48
MAX/MIN TEMP 66 48 67 48
WIND DIR SW SW W W W W W W SW W W W W W W W W
WIND (MPH) 2 3 4 5 5 5 4 4 3 3 3 5 5 5 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 5 5 0 0 0 0 0 0 5 5 5 5 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) 7.9 8.1 8.5 8.8 9.0 8.9 8.8 9.0 9.5 9.8 9.9 10.1 10.7 10.5 10.4 10.2 9.9
...SNOQUALMIE PASS (3000 FEET)...
DATE MONDAY 08/18/25 TUESDAY 08/19/25
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 SC SC SC SC BK BK BK SC SC SC SC SC BK BK SC
CLOUD COVER (%) 85 60 35 50 35 45 60 65 65 40 30 35 40 50 55 60 45
TEMPERATURE 49 49 59 65 67 60 53 50 49 50 61 67 67 59 53 51 49
MAX/MIN TEMP 67 49 69 49
WIND DIR N W W W W NW N N N W W W W NW NW NW NW
WIND (MPH) 1 1 3 4 4 3 2 1 1 1 3 4 5 3 2 1 2
WIND GUST (MPH)
PRECIP PROB (%) 5 5 0 0 5 5 5 5 0 0 0 0 5 5 5 5 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) 8.0 8.0 8.3 8.7 9.0 8.9 8.7 9.0 9.5 9.9 9.8 10.4 10.7 10.4 10.5 10.3 9.9
...WHITE PASS...
DATE MONDAY 08/18/25 TUESDAY 08/19/25
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 SC SC FW FW SC BK BK SC FW FW FW SC SC SC SC
CLOUD COVER (%) 75 35 30 30 20 25 45 60 60 45 25 20 25 30 35 45 40
TEMPERATURE 46 48 57 63 64 58 49 46 45 48 60 66 66 58 51 48 46
MAX/MIN TEMP 65 44 68 46
WIND DIR W W W W W W W W W W W W W W W W W
WIND (MPH) 2 3 5 5 5 3 3 2 2 2 4 5 5 4 3 3 3
WIND GUST (MPH)
PRECIP PROB (%) 5 5 0 5 0 5 0 0 0 0 0 0 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) 8.6 8.3 8.6 8.7 8.5 8.4 8.8 9.1 9.2 10.0 9.8 10.5 10.7 10.5 10.6 10.6 10.3
...PARADISE (MOUNT RAINIER - 5420 FEET) ...
DATE MONDAY 08/18/25 TUESDAY 08/19/25
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 SC SC SC SC SC BK SC BK SC SC SC SC SC SC SC
CLOUD COVER (%) 75 40 40 50 35 30 30 55 50 55 35 35 40 45 50 45 35
TEMPERATURE 46 45 50 53 56 50 47 46 45 46 53 57 57 50 48 47 45
MAX/MIN TEMP 56 44 59 45
WIND DIR W W W W W W W W W W W W W NW NW NW NW
WIND (MPH) 2 2 4 5 6 4 2 2 2 1 3 5 8 4 3 2 2
WIND GUST (MPH)
PRECIP PROB (%) 0 5 5 5 5 5 0 0 0 0 0 0 5 5 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) 8.1 8.0 8.2 8.5 8.6 8.6 8.7 8.9 9.7 9.8 9.9 10.6 10.7 10.4 10.6 10.5 10.1
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN