Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
059
FWUS46 KSEW 102134
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
234 PM PDT WED SEP 10 2025
...HURRICANE RIDGE...
DATE THURSDAY 09/11/25 FRIDAY 09/12/25
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 FW FW CL CL FW FW FW FW SC FW CL FW FW FW FW FW SC
CLOUD COVER (%) 5 15 0 5 15 10 10 5 25 10 0 10 15 10 10 20 45
TEMPERATURE 60 55 52 51 51 52 60 61 61 55 50 50 48 49 57 58 58
MIN/MAX TEMP 50 62 47 60
WIND DIR N N NE E NE N NW NW NW W W SW SW SW NW NW NW
WIND (MPH) 2 2 3 3 3 2 2 3 3 2 3 4 4 4 2 3 3
WIND GUST (MPH)
PRECIP PROB (%) 0 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) 9.5 9.6 9.7 9.7 9.7 9.6 9.6 9.6 9.5 9.4 9.4 9.4 9.2 9.0 8.9 9.5 9.6
...MOUNT BAKER SKI AREA...
DATE THURSDAY 09/11/25 FRIDAY 09/12/25
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 FW SC SC FW SC FW FW SC SC SC SC SC SC SC FW FW FW
CLOUD COVER (%) 20 40 30 25 30 20 20 35 40 50 40 45 40 35 20 20 25
TEMPERATURE 65 59 56 55 54 55 60 63 63 57 53 53 51 52 56 60 60
MIN/MAX TEMP 53 64 50 62
WIND DIR NW N NE NE E N NW W W W SW W N W W W W
WIND (MPH) 5 2 2 2 2 2 4 6 5 3 3 2 2 2 3 5 5
WIND GUST (MPH)
PRECIP PROB (%) 10 5 5 5 0 0 5 5 20 20 20 20 5 5 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) 10.3 10.5 10.6 10.6 10.4 10.2 10.2 10.2 10.1 10.0 9.9 9.9 9.9 9.8 9.8 10.1 9.9
...STEVENS PASS...
DATE THURSDAY 09/11/25 FRIDAY 09/12/25
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 SC SC BK SC BK SC FW FW SC SC BK BK BK SC FW FW FW
CLOUD COVER (%) 30 30 55 50 55 45 20 20 35 45 60 60 55 40 20 15 15
TEMPERATURE 68 60 54 53 52 52 60 67 66 58 53 52 51 50 58 66 64
MIN/MAX TEMP 51 67 50 67
WIND DIR W W W W W W W W W W W W W W W W W
WIND (MPH) 5 4 4 4 4 3 3 5 5 5 5 5 4 4 3 5 5
WIND GUST (MPH)
PRECIP PROB (%) 10 5 0 0 5 5 10 10 20 20 10 10 5 5 10 10 10
PRECIP TYPE R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.01 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) 10.8 10.8 10.6 10.5 10.5 10.5 10.5 10.5 10.5 10.5 10.6 10.6 10.7 10.5 10.4 10.6 10.5
...SNOQUALMIE PASS (3000 FEET)...
DATE THURSDAY 09/11/25 FRIDAY 09/12/25
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 FW SC SC SC BK SC SC FW SC SC BK BK BK SC FW FW FW
CLOUD COVER (%) 20 25 40 45 50 35 30 25 35 50 65 65 60 40 25 20 20
TEMPERATURE 68 59 54 53 52 51 60 65 66 58 53 52 51 50 58 64 64
MIN/MAX TEMP 50 67 49 66
WIND DIR NW NW N N N N NW NW NW NW NW NW NW NW NW W W
WIND (MPH) 4 2 2 1 2 2 3 4 4 3 2 2 2 2 3 4 4
WIND GUST (MPH)
PRECIP PROB (%) 10 5 5 5 5 5 10 10 20 20 10 10 10 10 10 10 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) 10.8 10.8 10.6 10.5 10.6 10.5 10.5 10.5 10.5 10.2 10.3 10.3 10.4 10.3 10.2 10.4 10.3
...WHITE PASS...
DATE THURSDAY 09/11/25 FRIDAY 09/12/25
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 SC FW FW FW FW FW CL SC SC SC BK SC SC SC FW FW FW
CLOUD COVER (%) 35 15 15 20 20 20 5 35 40 40 55 50 40 30 5 5 15
TEMPERATURE 66 58 51 48 47 49 61 65 65 57 51 49 47 48 60 65 65
MIN/MAX TEMP 47 67 46 67
WIND DIR W W NW NW NW NW W W W W W W W W W W W
WIND (MPH) 4 2 2 2 3 3 4 5 5 3 3 3 3 3 4 4 5
WIND GUST (MPH)
PRECIP PROB (%) 10 5 5 5 5 5 5 20 20 20 5 5 5 5 10 10 5
PRECIP TYPE R R R
6 HOUR QPF 0.00 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) 10.9 10.7 10.7 10.6 10.7 10.7 10.9 11.0 10.8 10.5 10.4 10.3 10.3 10.2 10.2 10.7 10.8
...PARADISE (MOUNT RAINIER - 5420 FEET) ...
DATE THURSDAY 09/11/25 FRIDAY 09/12/25
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 SC FW FW FW FW FW FW SC SC SC SC SC SC SC FW FW FW
CLOUD COVER (%) 25 15 10 15 20 20 10 35 40 40 25 35 30 30 20 20 20
TEMPERATURE 60 55 52 52 51 51 57 58 58 53 49 50 49 49 54 57 57
MIN/MAX TEMP 49 60 47 59
WIND DIR N N N NE N N W W W NW NW NW NW NW W W W
WIND (MPH) 4 2 3 3 3 2 2 5 5 3 3 2 2 2 3 5 5
WIND GUST (MPH)
PRECIP PROB (%) 10 5 5 5 5 5 10 20 20 20 5 5 10 10 10 10 10
PRECIP TYPE R R 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) 10.9 10.8 10.6 10.6 10.6 10.6 10.7 10.9 10.8 10.4 10.2 10.1 10.2 10.0 10.0 10.4 10.4
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN