Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
521
FWUS46 KSEW 272134
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
234 PM PDT WED AUG 27 2025
...HURRICANE RIDGE...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 OV OV OV OV OV BK SC SC FW SC SC SC SC SC SC
CLOUD COVER (%) 80 65 85 85 85 85 80 60 45 45 25 30 35 30 30 25 25
TEMPERATURE 66 62 60 58 57 57 59 62 62 59 56 56 56 55 63 65 65
MIN/MAX TEMP 55 63 54 66
WIND DIR S E S SE E S SE E W S S S S SW N N N
WIND (MPH) 1 2 3 3 3 3 1 1 1 1 4 4 4 4 2 2 2
WIND GUST (MPH)
PRECIP PROB (%) 20 20 10 30 40 30 20 20 20 20 0 0 0 0 0 0 0
PRECIP TYPE T T R R R R T T R
6 HOUR QPF 0.00 0.05 0.03 0.11 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) 11.6 11.3 11.4 11.8 11.5 11.6 11.5 11.6 11.3 11.0 10.6 10.3 10.3 10.3 9.9 10.1 10.2
...MOUNT BAKER SKI AREA...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 OV OV OV OV OV SC SC SC FW FW SC SC
CLOUD COVER (%) 75 90 95 90 95 85 95 90 90 75 50 35 35 25 25 30 40
TEMPERATURE 69 63 62 61 60 59 62 65 66 63 61 60 58 60 66 69 70
MIN/MAX TEMP 58 67 58 71
WIND DIR W W S SW S SE S S SE SE SE E E E SW W W
WIND (MPH) 4 2 3 2 2 2 2 3 2 2 5 5 5 4 2 4 4
WIND GUST (MPH)
PRECIP PROB (%) 30 40 20 20 40 40 10 30 20 20 10 10 5 5 10 10 10
PRECIP TYPE R R R R R R R T R
6 HOUR QPF 0.00 0.06 0.07 0.03 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 12.2 12.2 12.1 11.9 12.0 12.0 11.8 11.8 11.3 11.3 11.0 10.9 10.7 10.7 10.6 10.5
...STEVENS PASS...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 BK BK SC SC SC SC SC FW FW SC SC
CLOUD COVER (%) 85 85 95 95 85 65 50 60 35 30 35 30 35 20 15 25 30
TEMPERATURE 71 63 61 59 58 56 64 70 71 65 59 58 57 56 70 76 76
MIN/MAX TEMP 56 72 56 77
WIND DIR W W E E E SE SW W W N E E E E S W W
WIND (MPH) 4 2 2 2 2 2 2 2 3 2 2 2 2 3 3 3 4
WIND GUST (MPH)
PRECIP PROB (%) 50 40 50 50 40 30 30 40 10 10 5 5 5 5 5 5 5
PRECIP TYPE R R R R R R R T
6 HOUR QPF 0.01 0.08 0.02 0.04 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) 12.3 12.3 12.3 12.1 11.8 11.6 11.5 11.7 11.8 11.2 11.1 10.8 10.5 10.3 10.4 11.0 11.2
...SNOQUALMIE PASS (3000 FEET)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 BK SC BK SC SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 85 85 90 70 60 45 50 45 30 25 25 25 20 15 20 20 25
TEMPERATURE 72 64 61 59 57 57 68 74 74 67 59 57 55 56 71 78 79
MIN/MAX TEMP 56 75 55 80
WIND DIR NW N NE NE NE E S SW NW N E E E E SW W NW
WIND (MPH) 2 1 2 1 1 1 2 3 2 1 2 2 2 2 2 3 3
WIND GUST (MPH)
PRECIP PROB (%) 40 30 50 50 30 20 30 20 10 10 0 0 0 0 5 5 10
PRECIP TYPE R R R R R R R T
6 HOUR QPF 0.02 0.06 0.02 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) 12.2 12.3 12.0 11.7 11.4 11.2 11.2 11.4 11.3 11.0 11.1 10.5 10.3 10.1 9.9 10.8 11.2
...WHITE PASS...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 SC SC SC FW FW SC SC FW FW FW FW FW FW FW SC
CLOUD COVER (%) 90 65 45 35 25 20 10 35 25 20 15 15 15 10 15 15 30
TEMPERATURE 68 62 56 54 52 55 65 71 73 66 57 54 52 56 69 75 76
MIN/MAX TEMP 52 73 52 76
WIND DIR NW W E S W SW SW SW W W E E E SE S SW W
WIND (MPH) 4 2 1 1 2 2 3 4 4 2 2 2 2 3 3 4 4
WIND GUST (MPH)
PRECIP PROB (%) 30 20 20 10 10 10 5 20 5 5 0 0 0 0 0 0 10
PRECIP TYPE R R R T
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) 12.1 12.1 11.5 11.2 11.0 10.8 10.7 10.7 11.1 10.7 10.2 9.5 9.7 9.6 10.0 11.1 11.5
...PARADISE (MOUNT RAINIER - 5420 FEET) ...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 BK SC SC FW FW SC BK SC SC FW FW FW FW SC SC
CLOUD COVER (%) 90 75 50 35 30 15 10 35 50 25 30 15 15 15 15 30 35
TEMPERATURE 61 57 56 56 55 55 60 64 65 59 57 56 54 56 63 68 69
MIN/MAX TEMP 53 66 54 70
WIND DIR W N NW NW W W SW W W NW NE N N E SW W W
WIND (MPH) 3 2 2 2 2 2 2 3 4 2 3 3 4 3 2 3 4
WIND GUST (MPH)
PRECIP PROB (%) 30 20 20 10 10 10 5 20 5 5 0 0 0 0 5 5 10
PRECIP TYPE R R R T
6 HOUR QPF 0.01 0.00 0.00 0.01 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 12.0 11.6 11.2 11.1 10.9 10.8 10.5 10.8 10.8 10.2 9.9 9.8 9.6 9.8 10.9 11.3
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN