Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 201056
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
356 AM PDT Fri Oct 20 2017

ORZ050-210100-
Wallowa Mountains 8000 to 9000 feet-
356 AM PDT Fri Oct 20 2017

.TODAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 2 to 3 inches. West winds 15 to 25 mph. Highs
19 to 26.
.TONIGHT...Snow likely in the evening, then slight chance of snow
after midnight. Snow accumulation up to 2 inches. West winds 10 to
15 mph with gusts to 30 mph. Lows 12 to 19.
.SATURDAY...Snow likely in the morning, then snow in the afternoon.
Snow accumulation of 2 to 6 inches. Southwest winds 10 to 15 mph
with gusts to 25 mph increasing to 15 to 25 mph with gusts to 35 mph
in the afternoon. Highs 28 to 34.
.SATURDAY NIGHT...Snow in the evening, then snow and rain after
midnight. Snow accumulation up to 5 inches. Southwest winds 25 to
35 mph with gusts to 55 mph. Lows 23 to 30.
.SUNDAY...Rain and snow. Snow accumulation up to 4 inches. West
winds 30 to 40 mph with gusts to 55 mph decreasing to 15 to 25 mph
with gusts to 40 mph in the afternoon. Highs 28 to 35.
.SUNDAY NIGHT...Cloudy with chance of showers and snow showers. Snow
accumulation up to 1 inch. West winds 10 to 15 mph. Gusts up to
35 mph in the evening. Lows 23 to 30.

$$

ORZ050-210100-
Salt Creek Area 5000 to 7000 feet-
356 AM PDT Fri Oct 20 2017

.TODAY...Snow and rain in the morning, then snow showers and showers
likely in the afternoon. Snow accumulation of 1 to 2 inches. West
winds around 10 mph. Highs 30 to 37.
.TONIGHT...Mostly cloudy. Chance of snow and rain in the evening,
then slight chance of snow after midnight. Snow accumulation up to
1 inch. Light winds. Lows 20 to 27.
.SATURDAY...Snow likely in the morning, then snow in the afternoon.
Snow accumulation of 1 to 5 inches. South winds around 10 mph
increasing to 15 to 20 mph with gusts to 30 mph in the afternoon.
Highs 27 to 34.
.SATURDAY NIGHT...Rain and snow in the evening, then rain likely
after midnight. Snow accumulation up to 4 inches. South winds 10 to
20 mph with gusts to 30 mph. Lows 27 to 34.
.SUNDAY...Rain likely. South winds 10 to 20 mph with gusts to
30 mph. Highs 35 to 42.
.SUNDAY NIGHT...Cloudy with chance of showers. South winds around
10 mph with gusts to 30 mph in the evening becoming light. Lows
28 to 35.

$$

ORZ050-062-210100-
Clear Creek Area 6000 to 8000 feet-
356 AM PDT Fri Oct 20 2017

.TODAY...Snow in the morning, then snow showers likely in the
afternoon. Snow accumulation up to 2 inches. West winds 10 to
15 mph. Highs 27 to 34.
.TONIGHT...Mostly cloudy. Chance of snow in the evening, then slight
chance of snow after midnight. Snow accumulation up to 1 inch. West
winds up to 10 mph. Lows 18 to 25.
.SATURDAY...Snow likely in the morning, then snow in the afternoon.
Snow accumulation of 1 to 5 inches. South winds 10 to 15 mph. Gusts
up to 30 mph in the afternoon. Highs 25 to 32.
.SATURDAY NIGHT...Snow in the evening, then rain and snow after
midnight. Snow accumulation up to 5 inches. Southwest winds 10 to
20 mph with gusts to 30 mph. Lows 24 to 31.
.SUNDAY...Rain likely. Southwest winds 10 to 15 mph with gusts to
30 mph. Highs 33 to 40.
.SUNDAY NIGHT...Cloudy with chance of showers. South winds around
10 mph shifting to the west after midnight. Lows 26 to 33.

$$

ORZ050-062-210100-
Catherine Creek Area 6000 to 8000 feet-
356 AM PDT Fri Oct 20 2017

.TODAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 1 to 3 inches. West winds 10 to 15 mph. Gusts
up to 25 mph in the afternoon. Highs 26 to 33.
.TONIGHT...Snow likely in the evening, then slight chance of snow
after midnight. Snow accumulation up to 2 inches. West winds 10 to
15 mph. Lows 17 to 24.
.SATURDAY...Snow. Snow accumulation of 1 to 6 inches. South winds
10 to 20 mph. Gusts up to 30 mph in the afternoon. Highs 26 to 33.
.SATURDAY NIGHT...Snow in the evening, then rain after midnight.
Snow accumulation up to 5 inches. South winds 15 to 20 mph with
gusts to 35 mph. Lows 24 to 31.
.SUNDAY...Rain likely. Southwest winds 10 to 20 mph with gusts to
30 mph. Highs 33 to 40.
.SUNDAY NIGHT...Cloudy with chance of showers. West winds around
10 mph. Gusts up to 30 mph in the evening. Lows 26 to 33.

$$

ORZ050-062-210100-
Norway Area 7000 to 10000 feet-
356 AM PDT Fri Oct 20 2017

.TODAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 1 to 2 inches. West winds 10 to 15 mph with
gusts to 25 mph. Highs 23 to 30.
.TONIGHT...Snow likely in the evening, then slight chance of snow
after midnight. Snow accumulation up to 1 inch. West winds 10 to
15 mph. Gusts up to 25 mph after midnight. Lows 14 to 21.
.SATURDAY...Snow. Snow accumulation of 2 to 6 inches. Southwest
winds around 10 mph increasing to south 15 to 25 mph in the
afternoon. Highs 24 to 31.
.SATURDAY NIGHT...Snow in the evening, then snow and rain after
midnight. Snow accumulation up to 5 inches. Southwest winds 15 to
20 mph with gusts to 40 mph. Lows 22 to 29.
.SUNDAY...Rain likely and snow. Snow accumulation up to 3 inches.
Southwest winds 15 to 25 mph decreasing to 10 to 15 mph in the
afternoon. Highs 30 to 37.
.SUNDAY NIGHT...Cloudy with chance of showers and snow showers. Snow
accumulation up to 1 inch. Southwest winds 10 to 15 mph with gusts
to 30 mph shifting to the west after midnight. Lows 24 to 31.

$$

ORZ062-503-210100-
Anthony Lakes Area 7000 to 9000 feet-
356 AM PDT Fri Oct 20 2017

.TODAY...Snow likely 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 22 to 29.
.TONIGHT...Mostly cloudy. Chance of snow in the evening. West winds
15 to 25 mph decreasing to 10 to 15 mph after midnight. Lows 13 to
20.
.SATURDAY...Snow. Snow accumulation of 2 to 5 inches. Southwest
winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon.
Highs 28 to 35.
.SATURDAY NIGHT...Snow and rain. Snow accumulation up to 5 inches.
Southwest winds 20 to 30 mph with gusts to 45 mph. Lows 25 to 32.
.SUNDAY...Rain. Southwest winds 20 to 30 mph. Gusts up to 45 mph
decreasing to 35 mph in the afternoon. Highs 33 to 40.
.SUNDAY NIGHT...Cloudy with chance of showers and snow showers. West
winds 10 to 15 mph. Gusts up to 30 mph after midnight. Lows 24 to
31.

$$

ORZ502-210100-
Blue Mountains 4000 to 6000 feet-
356 AM PDT Fri Oct 20 2017

.TODAY...Rain and snow likely in the morning, then showers and snow
showers likely in the afternoon. Snow accumulation up to 3 inches.
West winds 10 to 15 mph with gusts to 30 mph. Highs 36 to 42.
.TONIGHT...Mostly cloudy. Chance of rain and snow in the evening,
then slight chance of snow after midnight. West winds 10 to 15 mph
with gusts to 35 mph. Lows 24 to 31.
.SATURDAY...Snow likely in the morning, then snow and rain in the
afternoon. Snow accumulation up to 6 inches. South winds 10 to
15 mph. Gusts up to 30 mph in the afternoon. Highs 31 to 38.
.SATURDAY NIGHT...Rain. Southwest winds 15 to 25 mph. Gusts up to
40 mph increasing to 50 mph after midnight. Lows 31 to 38.
.SUNDAY...Rain. Southwest winds 15 to 25 mph with gusts to 45 mph.
Highs 39 to 46.
.SUNDAY NIGHT...Cloudy with chance of showers. West winds 15 to
25 mph with gusts to 45 mph shifting to the southwest 10 to 15 mph
with gusts to 35 mph after midnight. Lows 31 to 38.

$$

ORZ509-210100-
Broken Top-
356 AM PDT Fri Oct 20 2017

.TODAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 2 to 4 inches. West winds 20 to 30 mph with
gusts to 40 mph. Highs 22 to 29.
.TONIGHT...Snow likely in the evening, then snow after midnight.
Snow accumulation of 1 to 3 inches. Southwest winds 10 to 20 mph.
Gusts up to 30 mph in the evening. Lows 16 to 23.
.SATURDAY...Snow in the morning, then rain in the afternoon. Snow
accumulation up to 9 inches. Southwest winds 15 to 25 mph with gusts
to 40 mph increasing to 25 to 35 mph with gusts to 50 mph in the
afternoon. Highs 32 to 39.
.SATURDAY NIGHT...Rain likely in the evening, then rain after
midnight. Southwest winds 35 to 45 mph with gusts to 60 mph. Lows
28 to 35.
.SUNDAY...Rain. Southwest winds 25 to 35 mph with gusts to 50 mph
decreasing to 15 to 25 mph with gusts to 40 mph in the afternoon.
Highs 37 to 44.
.SUNDAY NIGHT...Cloudy with chance of showers. West winds 20 to
30 mph with gusts to 45 mph decreasing to 15 to 20 mph with gusts to
35 mph after midnight. Lows 27 to 34.

$$

ORZ509-210100-
Tam McArthur Rim-
356 AM PDT Fri Oct 20 2017

.TODAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 2 to 4 inches. West winds 15 to 25 mph with
gusts to 35 mph. Highs 22 to 29.
.TONIGHT...Chance of snow in the evening, then snow after midnight.
Snow accumulation of 1 to 3 inches. Southwest winds 10 to 20 mph.
Gusts up to 30 mph in the evening. Lows 17 to 24.
.SATURDAY...Snow in the morning, then rain in the afternoon. Snow
accumulation up to 8 inches. Southwest winds 15 to 25 mph with gusts
to 35 mph increasing to 25 to 35 mph with gusts to 45 mph in the
afternoon. Highs 33 to 40.
.SATURDAY NIGHT...Rain likely. Southwest winds 30 to 40 mph with
gusts to 60 mph. Lows 29 to 36.
.SUNDAY...Rain. Southwest winds 20 to 30 mph. Gusts up to 45 mph
decreasing to 35 mph in the afternoon. Highs 37 to 44.
.SUNDAY NIGHT...Cloudy with chance of showers. West winds 20 to
30 mph with gusts to 45 mph decreasing to 10 to 15 mph with gusts to
30 mph after midnight. Lows 27 to 34.

$$

ORZ509-210100-
Newberry Crater-
356 AM PDT Fri Oct 20 2017

.TODAY...Snow likely in the morning, then chance of snow showers in
the afternoon. Snow accumulation around 1 inch. West winds 15 to
25 mph with gusts to 35 mph. Highs 26 to 33.
.TONIGHT...Chance of snow in the evening, then snow likely after
midnight. Snow accumulation up to 2 inches. Southwest winds 10 to
20 mph with gusts to 30 mph. Lows 18 to 25.
.SATURDAY...Snow in the morning, then rain in the afternoon. Snow
accumulation up to 4 inches. Southwest winds 20 to 35 mph with gusts
to 50 mph. Highs 35 to 42.
.SATURDAY NIGHT...Cloudy with chance of rain. Southwest winds 25 to
35 mph with gusts to 50 mph. Lows 30 to 37.
.SUNDAY...Rain likely. Southwest winds 20 to 30 mph with gusts to
40 mph. Highs 40 to 47.
.SUNDAY NIGHT...Cloudy. Chance of showers in the evening, then
slight chance of showers after midnight. Southwest winds 15 to
25 mph with gusts to 40 mph shifting to the west 10 to 15 mph with
gusts to 30 mph after midnight. Lows 29 to 36.

$$


http://weather.gov/pendleton


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