Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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735
FWUS46 KPDT 172156
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
256 PM PDT Tue Oct 17 2017

ORZ050-181300-
Wallowa Mountains 8000 to 9000 feet-
256 PM PDT Tue Oct 17 2017

.TONIGHT...Mostly cloudy. Isolated showers and snow showers in the
evening. West winds 10 to 15 mph. Gusts up to 25 mph in the evening.
Lows 27 to 34.
.WEDNESDAY...Mostly cloudy. Slight chance of rain and snow in the
afternoon. Southwest winds 10 to 20 mph with gusts to 30 mph. Highs
40 to 47.
.WEDNESDAY NIGHT...Mostly cloudy in the evening then clearing.
Southwest winds 15 to 25 mph. Lows 29 to 36.
.THURSDAY...Partly cloudy. Slight chance of snow in the afternoon.
South winds 15 to 25 mph with gusts to 35 mph. Highs 41 to 48.
.THURSDAY NIGHT...Snow showers and showers in the evening, then snow
showers after midnight. Snow accumulation around 2 inches. West
winds 10 to 15 mph with gusts to 25 mph shifting to the southwest
15 to 25 mph with gusts to 35 mph after midnight. Lows 21 to 28.
.FRIDAY...Snow showers. Snow accumulation around 1 inch. West winds
15 to 25 mph. Gusts up to 35 mph in the morning. Highs 19 to 26.

$$

ORZ050-181300-
Salt Creek Area 5000 to 7000 feet-
256 PM PDT Tue Oct 17 2017

.TONIGHT...Mostly cloudy. Isolated showers in the evening. Southwest
winds up to 10 mph. Lows 29 to 36.
.WEDNESDAY...Mostly cloudy. South winds around 10 mph increasing to
15 to 20 mph in the afternoon. Highs 46 to 53.
.WEDNESDAY NIGHT...Mostly cloudy in the evening then clearing. South
winds 10 to 15 mph. Lows 31 to 38.
.THURSDAY...Partly cloudy. South winds 10 to 20 mph. Highs 48 to 55.
.THURSDAY NIGHT...Showers in the evening, then showers and snow
showers after midnight. No snow accumulation. Southwest winds 10 to
15 mph. Gusts up to 25 mph after midnight. Lows 27 to 34.
.FRIDAY...Snow showers and showers. Snow accumulation up to 1 inch.
West winds around 10 mph. Highs 30 to 37.

$$

ORZ050-062-181300-
Clear Creek Area 6000 to 8000 feet-
256 PM PDT Tue Oct 17 2017

.TONIGHT...Mostly cloudy. Isolated showers in the evening. Southwest
winds 10 to 15 mph. Lows 28 to 35.
.WEDNESDAY...Mostly cloudy. South winds 10 to 15 mph. Gusts up to
25 mph in the afternoon. Highs 43 to 50.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing. South
winds 10 to 15 mph. Lows 30 to 37.
.THURSDAY...Partly cloudy. Slight chance of rain in the afternoon.
South winds 10 to 20 mph. Highs 45 to 52.
.THURSDAY NIGHT...Showers in the evening, then showers and snow
showers after midnight. Snow accumulation up to 2 inches. Southwest
winds 10 to 20 mph. Gusts up to 30 mph after midnight. Lows 24 to
31.
.FRIDAY...Snow showers. Snow accumulation around 1 inch. West winds
10 to 15 mph. Gusts up to 25 mph in the morning. Highs 31 to 37.

$$

ORZ050-062-181300-
Catherine Creek Area 6000 to 8000 feet-
256 PM PDT Tue Oct 17 2017

.TONIGHT...Mostly cloudy. Isolated showers in the evening. West
winds 10 to 15 mph. Lows 31 to 38.
.WEDNESDAY...Mostly cloudy. South winds 10 to 15 mph. Highs 46 to
53.
.WEDNESDAY NIGHT...Mostly cloudy in the evening then clearing. South
winds 10 to 15 mph. Gusts up to 25 mph after midnight. Lows 33 to
40.
.THURSDAY...Partly cloudy. Slight chance of rain in the afternoon.
South winds 10 to 20 mph with gusts to 30 mph. Highs 45 to 52.
.THURSDAY NIGHT...Showers in the evening, then snow showers after
midnight. Snow accumulation up to 2 inches. West winds 10 to 20 mph.
Gusts up to 30 mph after midnight. Lows 25 to 32.
.FRIDAY...Snow showers. Snow accumulation of 1 to 2 inches. West
winds 10 to 15 mph. Gusts up to 30 mph in the morning. Highs 26 to
33.

$$

ORZ050-062-181300-
Norway Area 7000 to 10000 feet-
256 PM PDT Tue Oct 17 2017

.TONIGHT...Mostly cloudy. Isolated showers and snow showers in the
evening. West winds 10 to 15 mph. Gusts up to 25 mph in the evening.
Lows 28 to 35.
.WEDNESDAY...Mostly cloudy. Southwest winds 10 to 15 mph. Gusts up
to 25 mph in the afternoon. Highs 42 to 49.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing. South
winds 15 to 20 mph with gusts to 30 mph. Lows 30 to 37.
.THURSDAY...Partly cloudy. Slight chance of rain and snow in the
afternoon. South winds 15 to 25 mph. Highs 44 to 51.
.THURSDAY NIGHT...Snow showers and showers. Snow accumulation up to
2 inches. West winds 10 to 15 mph shifting to the southwest 15 to
25 mph after midnight. Lows 24 to 31.
.FRIDAY...Snow showers. Snow accumulation of 1 to 2 inches. West
winds 10 to 15 mph with gusts to 25 mph. Highs 22 to 29.

$$

ORZ062-503-181300-
Anthony Lakes Area 7000 to 9000 feet-
256 PM PDT Tue Oct 17 2017

.TONIGHT...Partly cloudy with isolated showers in the evening, then
mostly cloudy after midnight. West winds 10 to 20 mph. Gusts up to
30 mph in the evening. Lows 28 to 35.
.WEDNESDAY...Mostly cloudy. Southwest winds 10 to 15 mph. Gusts up
to 25 mph in the morning. Highs 43 to 50.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Southwest winds 10 to 20 mph. Lows 31 to 38.
.THURSDAY...Partly cloudy in the morning, then mostly cloudy with
chance of rain and snow in the afternoon. South winds 10 to 20 mph.
Highs 41 to 48.
.THURSDAY NIGHT...Snow showers and showers in the evening, then snow
showers after midnight. Snow accumulation of 1 to 2 inches.
Southwest winds 15 to 25 mph with gusts to 35 mph. Lows 22 to 29.
.FRIDAY...Snow showers in the morning, then snow showers likely in
the afternoon. Snow accumulation around 1 inch. West winds 15 to
25 mph with gusts to 35 mph. Highs 23 to 30.

$$

ORZ502-181300-
Blue Mountains 4000 to 6000 feet-
256 PM PDT Tue Oct 17 2017

.TONIGHT...Cloudy. Scattered showers in the evening. Southwest winds
10 to 15 mph. Gusts up to 35 mph in the evening. Lows 31 to 38.
.WEDNESDAY...Mostly cloudy in the morning, then cloudy with chance
of rain in the afternoon. Southwest winds 10 to 15 mph. Highs 54 to
60.
.WEDNESDAY NIGHT...Mostly cloudy with slight chance of rain in the
evening, then partly cloudy after midnight. Southwest winds 10 to
15 mph with gusts to 25 mph. Lows 34 to 41.
.THURSDAY...Partly cloudy in the morning, then mostly cloudy with
chance of rain in the afternoon. South winds 10 to 15 mph with gusts
to 25 mph shifting to the southwest in the afternoon. Highs 50 to
56.
.THURSDAY NIGHT...Showers in the evening, then snow showers with
showers likely after midnight. Snow accumulation up to 2 inches.
Southwest winds 10 to 20 mph. Gusts up to 25 mph increasing to
35 mph after midnight. Lows 27 to 34.
.FRIDAY...Showers and snow showers likely. Snow accumulation up to
1 inch. West winds 15 to 25 mph with gusts to 40 mph. Highs 36 to
42.

$$

ORZ509-181300-
Broken Top-
256 PM PDT Tue Oct 17 2017

.TONIGHT...Mostly cloudy. Isolated showers in the evening. Southwest
winds 15 to 20 mph with gusts to 30 mph. Lows 29 to 36.
.WEDNESDAY...Mostly cloudy. Southwest winds 15 to 20 mph with gusts
to 30 mph. Highs 45 to 52.
.WEDNESDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Southwest winds 20 to 30 mph. Gusts up to 40 mph after
midnight. Lows 28 to 35.
.THURSDAY...Rain likely in the morning, then rain in the afternoon.
Southwest winds 20 to 30 mph with gusts to 45 mph. Highs 35 to 42.
.THURSDAY NIGHT...Snow showers. Snow accumulation of 2 to 3 inches.
Southwest winds 20 to 30 mph. Gusts up to 45 mph after midnight.
Lows 18 to 25.
.FRIDAY...Snow showers likely. Snow accumulation of 1 to 2 inches.
West winds 20 to 30 mph. Highs 23 to 30.

$$

ORZ509-181300-
Tam McArthur Rim-
256 PM PDT Tue Oct 17 2017

.TONIGHT...Mostly cloudy. Isolated showers in the evening. Southwest
winds 10 to 20 mph with gusts to 30 mph. Lows 30 to 37.
.WEDNESDAY...Mostly cloudy. Southwest winds 10 to 20 mph with gusts
to 30 mph. Highs 45 to 52.
.WEDNESDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Southwest winds 15 to 25 mph with gusts to 35 mph. Lows
28 to 35.
.THURSDAY...Rain likely in the morning, then rain in the afternoon.
Southwest winds 20 to 30 mph with gusts to 40 mph. Highs 35 to 42.
.THURSDAY NIGHT...Snow showers. Snow accumulation of 2 to 3 inches.
West winds 10 to 20 mph with gusts to 30 mph increasing to southwest
20 to 30 mph with gusts to 40 mph after midnight. Lows 19 to 26.
.FRIDAY...Snow showers likely. Snow accumulation of 1 to 2 inches.
West winds 15 to 25 mph with gusts to 35 mph. Highs 24 to 31.

$$

ORZ509-181300-
Newberry Crater-
256 PM PDT Tue Oct 17 2017

.TONIGHT...Clear in the evening then becoming partly cloudy.
Southwest winds 10 to 20 mph. Lows 30 to 37.
.WEDNESDAY...Partly cloudy. Southwest winds 15 to 20 mph with gusts
to 30 mph. Highs 53 to 60.
.WEDNESDAY NIGHT...Partly cloudy. Southwest winds 15 to 25 mph with
gusts to 35 mph. Lows 30 to 37.
.THURSDAY...Slight chance of rain in the morning, then rain in the
afternoon. Southwest winds 20 to 30 mph. Gusts up to 35 mph
increasing to 45 mph in the afternoon. Highs 42 to 49.
.THURSDAY NIGHT...Showers and snow showers in the evening, then snow
showers after midnight. Snow accumulation up to 2 inches. Southwest
winds 20 to 30 mph with gusts to 40 mph. Lows 22 to 29.
.FRIDAY...Mostly cloudy with chance of snow showers. West winds
20 to 30 mph with gusts to 40 mph. Highs 29 to 36.

$$


http://weather.gov/pendleton



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