Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 151156
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
356 AM PST Fri Dec 15 2017

ORZ050-160200-
Wallowa Mountains 8000 to 9000 feet-
356 AM PST Fri Dec 15 2017

.TODAY...Snow likely in the afternoon. Little or no snow
accumulation. West winds 10 to 15 mph. Highs 28 to 35.
.TONIGHT...Snow likely in the evening, then chance of snow after
midnight. Snow accumulation up to 1 inch. Northwest winds 10 to
15 mph. Lows 11 to 18.
.SATURDAY...Mostly cloudy. Chance of snow in the morning, then
slight chance of snow showers in the afternoon. Northwest winds
10 to 15 mph. Highs 15 to 22.
.SATURDAY NIGHT...Mostly cloudy. Northwest winds around 10 mph. Lows
10 to 17.
.SUNDAY...Mostly cloudy with slight chance of snow. West winds 10 to
15 mph. Highs 24 to 31.
.SUNDAY NIGHT...Mostly cloudy with chance of snow. Southwest winds
around 10 mph. Lows 18 to 25.

$$

ORZ050-160200-
Salt Creek Area 5000 to 7000 feet-
356 AM PST Fri Dec 15 2017

.TODAY...Snow likely in the afternoon. No snow accumulation. Light
winds becoming south around 10 mph in the afternoon. Highs 28 to 35.
.TONIGHT...Snow likely in the evening, then chance of snow after
midnight. Snow accumulation up to 1 inch. Light winds becoming
northwest around 10 mph after midnight. Lows 17 to 24.
.SATURDAY...Mostly cloudy. Slight chance of snow in the morning,
then slight chance of snow showers in the afternoon. Northwest winds
around 10 mph. Highs 22 to 29.
.SATURDAY NIGHT...Mostly cloudy. Light winds. Lows 13 to 20.
.SUNDAY...Mostly cloudy with slight chance of snow. Light winds.
Highs 25 to 32.
.SUNDAY NIGHT...Mostly cloudy with chance of snow. South winds
around 10 mph. Lows 19 to 26.

$$

ORZ050-062-160200-
Clear Creek Area 6000 to 8000 feet-
356 AM PST Fri Dec 15 2017

.TODAY...Snow likely in the afternoon. Little or no snow
accumulation. Light winds becoming southwest around 10 mph in the
afternoon. Highs 28 to 35.
.TONIGHT...Snow likely in the evening, then chance of snow after
midnight. Snow accumulation up to 1 inch. Northwest winds up to
10 mph. Lows 14 to 21.
.SATURDAY...Mostly cloudy. Slight chance of snow in the morning,
then slight chance of snow showers in the afternoon. Northwest winds
around 10 mph. Highs 20 to 27.
.SATURDAY NIGHT...Mostly cloudy. North winds around 10 mph in the
evening becoming light. Lows 11 to 18.
.SUNDAY...Mostly cloudy with slight chance of snow. Light winds
becoming southwest around 10 mph in the afternoon. Highs 24 to 31.
.SUNDAY NIGHT...Mostly cloudy with chance of snow. Light winds
becoming southwest around 10 mph after midnight. Lows 18 to 25.

$$

ORZ050-062-160200-
Catherine Creek Area 6000 to 8000 feet-
356 AM PST Fri Dec 15 2017

.TODAY...Mostly cloudy. Slight chance of snow in the morning, then
chance of snow in the afternoon. Little or no snow accumulation.
Light winds becoming west around 10 mph in the afternoon. Highs
28 to 35.
.TONIGHT...Snow in the evening, then chance of snow after midnight.
Snow accumulation up to 1 inch. Northwest winds 10 to 15 mph. Lows
16 to 23.
.SATURDAY...Mostly cloudy. Chance of snow in the morning, then
slight chance of snow showers in the afternoon. Northwest winds
10 to 15 mph. Highs 20 to 27.
.SATURDAY NIGHT...Mostly cloudy. North winds around 10 mph in the
evening becoming light. Lows 14 to 21.
.SUNDAY...Mostly cloudy with slight chance of snow. Northwest winds
around 10 mph shifting to the southwest in the afternoon. Highs
26 to 33.
.SUNDAY NIGHT...Mostly cloudy with chance of snow. Light winds. Lows
22 to 29.

$$

ORZ050-062-160200-
Norway Area 7000 to 10000 feet-
356 AM PST Fri Dec 15 2017

.TODAY...Slight chance of snow in the morning, then snow likely in
the afternoon. Little or no snow accumulation. West winds around
10 mph. Highs 28 to 35.
.TONIGHT...Snow likely in the evening, then chance of snow after
midnight. Snow accumulation up to 1 inch. Northwest winds 10 to
15 mph. Lows 12 to 19.
.SATURDAY...Mostly cloudy. Slight chance of snow in the morning,
then slight chance of snow showers in the afternoon. Northwest winds
10 to 15 mph. Highs 17 to 24.
.SATURDAY NIGHT...Mostly cloudy. North winds around 10 mph. Lows
11 to 18.
.SUNDAY...Mostly cloudy with slight chance of snow. Northwest winds
around 10 mph shifting to the west in the afternoon. Highs 24 to 31.
.SUNDAY NIGHT...Mostly cloudy with chance of snow. Southwest winds
around 10 mph. Lows 18 to 25.

$$

ORZ062-503-160200-
Anthony Lakes Area 7000 to 9000 feet-
356 AM PST Fri Dec 15 2017

.TODAY...Mostly cloudy with chance of snow. Snow accumulation up to
1 inch. West winds 10 to 15 mph. Gusts up to 25 mph in the
afternoon. Highs 32 to 39.
.TONIGHT...Mostly cloudy with chance of snow. Snow accumulation up
to 1 inch. Northwest winds 15 to 20 mph with gusts to 30 mph. Lows
13 to 20.
.SATURDAY...Mostly cloudy. Slight chance of snow in the morning,
then slight chance of snow showers in the afternoon. Northwest winds
10 to 20 mph. Highs 17 to 24.
.SATURDAY NIGHT...Mostly cloudy. Northwest winds around 10 mph. Lows
13 to 20.
.SUNDAY...Mostly cloudy with slight chance of snow. Northwest winds
10 to 15 mph. Highs 25 to 32.
.SUNDAY NIGHT...Mostly cloudy with chance of snow. West winds around
10 mph. Lows 21 to 28.

$$

ORZ502-160200-
Blue Mountains 4000 to 6000 feet-
356 AM PST Fri Dec 15 2017

.TODAY...Mostly cloudy with chance of light freezing rain in the
morning, then snow, rain and light freezing rain in the afternoon.
No snow accumulation. Light winds becoming west around 10 mph in the
afternoon. Highs 32 to 38.
.TONIGHT...Snow and light freezing rain in the evening, then chance
of snow and light freezing rain likely after midnight. Snow
accumulation up to 2 inches. West winds 10 to 15 mph. Lows 17 to 24.
.SATURDAY...Cloudy with chance of snow in the morning, then mostly
cloudy with slight chance of snow showers in the afternoon. West
winds around 10 mph in the morning becoming light. Highs 23 to 30.
.SATURDAY NIGHT...Mostly cloudy. Light winds becoming southwest
around 10 mph after midnight. Lows 15 to 22.
.SUNDAY...Mostly cloudy with slight chance of snow. Southwest winds
10 to 15 mph. Highs 29 to 36.
.SUNDAY NIGHT...Cloudy with chance of snow and rain. Southwest winds
10 to 15 mph. Lows 23 to 30.

$$

ORZ509-160200-
Broken Top-
356 AM PST Fri Dec 15 2017

.TODAY...Mostly cloudy in the morning then becoming cloudy. Chance
of rain and snow. Snow accumulation up to 1 inch. West winds 10 to
20 mph. Highs 32 to 39.
.TONIGHT...Mostly cloudy. Chance of snow in the evening, then slight
chance of snow after midnight. Northwest winds 15 to 20 mph. Lows
13 to 20.
.SATURDAY...Cloudy. Slight chance of snow in the morning. Northwest
winds 10 to 15 mph. Gusts up to 25 mph in the morning. Highs 21 to
28.
.SATURDAY NIGHT...Mostly cloudy. Northwest winds around 10 mph. Lows
16 to 23.
.SUNDAY...Mostly cloudy. West winds around 10 mph. Highs 30 to 37.
.SUNDAY NIGHT...Mostly cloudy. West winds 10 to 15 mph. Lows 20 to
27.

$$

ORZ509-160200-
Tam McArthur Rim-
356 AM PST Fri Dec 15 2017

.TODAY...Mostly cloudy in the morning then becoming cloudy. Chance
of rain and snow. No snow accumulation. West winds 10 to 20 mph.
Gusts up to 25 mph in the afternoon. Highs 32 to 39.
.TONIGHT...Mostly cloudy. Chance of snow in the evening, then slight
chance of snow after midnight. Northwest winds 10 to 20 mph. Lows
14 to 21.
.SATURDAY...Cloudy. Slight chance of snow in the morning. Northwest
winds 10 to 15 mph. Highs 21 to 28.
.SATURDAY NIGHT...Mostly cloudy. Northwest winds around 10 mph. Lows
16 to 23.
.SUNDAY...Mostly cloudy. West winds around 10 mph. Highs 30 to 37.
.SUNDAY NIGHT...Mostly cloudy. West winds 10 to 15 mph. Lows 21 to
28.

$$

ORZ509-160200-
Newberry Crater-
356 AM PST Fri Dec 15 2017

.TODAY...Mostly cloudy with chance of rain and snow. West winds
10 to 15 mph. Gusts up to 25 mph in the afternoon. Highs 36 to 43.
.TONIGHT...Mostly cloudy with chance of snow in the evening, then
partly cloudy after midnight. Northwest winds 10 to 20 mph. Lows
16 to 23.
.SATURDAY...Mostly cloudy. Northwest winds 10 to 15 mph. Gusts up to
25 mph in the morning. Highs 24 to 31.
.SATURDAY NIGHT...Mostly cloudy. Northwest winds around 10 mph. Lows
18 to 25.
.SUNDAY...Mostly cloudy. West winds around 10 mph. Highs 32 to 39.
.SUNDAY NIGHT...Mostly cloudy. West winds 10 to 15 mph. Lows 21 to
28.

$$


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