Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 202156
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
256 PM PDT Wed Sep 20 2017

ORZ050-211300-
Wallowa Mountains 8000 to 9000 feet-
256 PM PDT Wed Sep 20 2017

.TONIGHT...Numerous snow showers and isolated thunderstorms in the
evening, then scattered snow showers after midnight. Snow
accumulation up to 1 inch. West winds 10 to 15 mph. Lows 15 to 22.
.THURSDAY...Scattered snow showers in the morning, then snow showers
in the afternoon. Snow accumulation around 1 inch. Light winds
becoming north around 10 mph in the afternoon. Highs 23 to 30.
.THURSDAY NIGHT...Numerous snow showers in the evening, then
scattered snow showers after midnight. Snow accumulation up to
1 inch. North winds around 10 mph. Lows 16 to 23.
.FRIDAY...Cloudy in the morning then becoming mostly cloudy.
Scattered snow showers. North winds around 10 mph. Highs 25 to 32.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers in the
evening. North winds around 10 mph in the evening becoming light.
Lows 16 to 23.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Light winds becoming north around 10 mph in the afternoon.
Highs 33 to 40.

$$

ORZ050-211300-
Salt Creek Area 5000 to 7000 feet-
256 PM PDT Wed Sep 20 2017

.TONIGHT...Numerous showers, snow showers and isolated thunderstorms
in the evening, then scattered showers and snow showers after
midnight. Snow accumulation up to 1 inch. Light winds. Lows 23 to
30.
.THURSDAY...Scattered snow showers and showers in the morning, then
snow showers and showers likely in the afternoon. Snow accumulation
up to 1 inch. Light winds becoming north around 10 mph in the
afternoon. Highs 34 to 41.
.THURSDAY NIGHT...Cloudy with scattered showers and snow showers.
Snow accumulation up to 1 inch. North winds around 10 mph. Lows
23 to 30.
.FRIDAY...Cloudy with scattered showers and snow showers in the
morning, then mostly cloudy with slight chance of showers and snow
showers in the afternoon. North winds around 10 mph. Highs 36 to 43.
.FRIDAY NIGHT...Mostly cloudy. Slight chance of showers and snow
showers in the evening. North winds around 10 mph in the evening
becoming light. Lows 22 to 29.
.SATURDAY...Mostly cloudy in the morning then clearing. Light winds
becoming north around 10 mph in the afternoon. Highs 42 to 49.

$$

ORZ050-062-211300-
Clear Creek Area 6000 to 8000 feet-
256 PM PDT Wed Sep 20 2017

.TONIGHT...Numerous snow showers, showers and isolated thunderstorms
in the evening, then scattered snow showers after midnight. Snow
accumulation up to 1 inch. West winds around 10 mph in the evening
becoming light. Lows 20 to 27.
.THURSDAY...Numerous snow showers. Snow accumulation up to 1 inch.
Light winds. Highs 30 to 37.
.THURSDAY NIGHT...Numerous snow showers and showers in the evening,
then scattered snow showers and showers after midnight. Snow
accumulation up to 1 inch. North winds around 10 mph. Lows 20 to 27.
.FRIDAY...Cloudy with scattered snow showers in the morning, then
mostly cloudy with chance of snow showers and showers in the
afternoon. North winds around 10 mph. Highs 32 to 39.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers and showers in
the evening, then slight chance of showers and snow showers after
midnight. North winds around 10 mph. Lows 20 to 27.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. North winds around 10 mph. Highs 38 to 45.

$$

ORZ050-062-211300-
Catherine Creek Area 6000 to 8000 feet-
256 PM PDT Wed Sep 20 2017

.TONIGHT...Numerous snow showers and isolated thunderstorms in the
evening, then scattered snow showers after midnight. Snow
accumulation around 1 inch. West winds around 10 mph in the evening
becoming light. Lows 20 to 27.
.THURSDAY...Scattered snow showers in the morning, then snow showers
likely in the afternoon. Snow accumulation up to 1 inch. Light winds
becoming northwest around 10 mph in the afternoon. Highs 29 to 36.
.THURSDAY NIGHT...Cloudy. Scattered snow showers in the evening,
then scattered snow showers and showers after midnight. Snow
accumulation up to 1 inch. North winds around 10 mph. Lows 21 to 28.
.FRIDAY...Cloudy with scattered snow showers in the morning, then
mostly cloudy with chance of snow showers and showers in the
afternoon. North winds around 10 mph. Highs 31 to 38.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers and slight
chance of showers in the evening. North winds around 10 mph in the
evening becoming light. Lows 22 to 29.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Light winds becoming north around 10 mph in the afternoon.
Highs 39 to 46.

$$

ORZ050-062-211300-
Norway Area 7000 to 10000 feet-
256 PM PDT Wed Sep 20 2017

.TONIGHT...Numerous snow showers and isolated thunderstorms in the
evening, then scattered snow showers after midnight. Snow
accumulation up to 1 inch. West winds 10 to 15 mph. Lows 17 to 24.
.THURSDAY...Numerous snow showers. Snow accumulation up to 1 inch.
Light winds. Highs 26 to 33.
.THURSDAY NIGHT...Numerous snow showers in the evening, then
scattered snow showers after midnight. Snow accumulation up to
1 inch. North winds around 10 mph. Lows 18 to 25.
.FRIDAY...Cloudy in the morning then becoming mostly cloudy.
Scattered snow showers. North winds around 10 mph. Highs 28 to 35.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers in the
evening, then slight chance of snow showers after midnight. North
winds around 10 mph. Lows 18 to 25.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. North winds around 10 mph. Highs 35 to 42.

$$

ORZ062-503-211300-
Anthony Lakes Area 7000 to 9000 feet-
256 PM PDT Wed Sep 20 2017

.TONIGHT...Numerous snow showers and isolated thunderstorms in the
evening, then numerous snow showers after midnight. Snow
accumulation up to 1 inch. West winds 10 to 15 mph. Gusts up to
25 mph in the evening. Lows 17 to 24.
.THURSDAY...Cloudy with scattered snow showers. Northwest winds
around 10 mph. Highs 28 to 35.
.THURSDAY NIGHT...Cloudy with scattered snow showers. Little or no
snow accumulation. North winds around 10 mph. Lows 17 to 24.
.FRIDAY...Cloudy in the morning then becoming mostly cloudy.
Scattered snow showers. North winds around 10 mph. Highs 28 to 35.
.FRIDAY NIGHT...Mostly cloudy with chance of snow showers in the
evening, then partly cloudy after midnight. North winds around
10 mph. Lows 20 to 27.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. North winds around 10 mph. Highs 37 to 44.

$$

ORZ502-211300-
Blue Mountains 4000 to 6000 feet-
256 PM PDT Wed Sep 20 2017

.TONIGHT...Numerous showers, snow showers and isolated thunderstorms
in the evening, then scattered showers and snow showers after
midnight. Snow accumulation up to 1 inch. West winds 10 to 15 mph.
Gusts up to 25 mph in the evening. Lows 24 to 31.
.THURSDAY...Cloudy with scattered showers and snow showers. Snow
accumulation up to 1 inch. West winds around 10 mph. Highs 37 to 44.
.THURSDAY NIGHT...Cloudy. Scattered showers and snow showers in the
evening, then isolated showers and snow showers after midnight.
Northwest winds around 10 mph in the evening becoming light. Lows
24 to 31.
.FRIDAY...Cloudy with isolated showers and snow showers in the
morning, then mostly cloudy with chance of showers and snow showers
in the afternoon. Light winds becoming northwest around 10 mph in
the afternoon. Highs 40 to 47.
.FRIDAY NIGHT...Mostly cloudy. Slight chance of showers and snow
showers in the evening. Light winds. Lows 27 to 34.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Light winds becoming northwest around 10 mph in the
afternoon. Highs 46 to 53.

$$

ORZ509-211300-
Broken Top-
256 PM PDT Wed Sep 20 2017

.TONIGHT...Numerous snow showers and isolated thunderstorms in the
evening, then numerous snow showers after midnight. Snow
accumulation up to 1 inch. West winds 15 to 25 mph decreasing to
10 to 15 mph after midnight. Lows 19 to 26.
.THURSDAY...Mostly cloudy in the morning then becoming cloudy.
Scattered snow showers. Snow accumulation up to 1 inch. Northwest
winds around 10 mph. Highs 30 to 37.
.THURSDAY NIGHT...Cloudy. Scattered snow showers in the evening,
then isolated snow showers and showers after midnight. Snow
accumulation up to 1 inch. Northwest winds around 10 mph in the
evening becoming light. Lows 19 to 26.
.FRIDAY...Cloudy in the morning then becoming mostly cloudy.
Isolated snow showers. Light winds. Highs 33 to 40.
.FRIDAY NIGHT...Mostly cloudy with slight chance of snow showers in
the evening, then clear after midnight. Northeast winds around
10 mph in the evening becoming light. Lows 21 to 28.
.SATURDAY...Sunny. Light winds. Highs 44 to 51.

$$

ORZ509-211300-
Tam McArthur Rim-
256 PM PDT Wed Sep 20 2017

.TONIGHT...Numerous snow showers and isolated thunderstorms in the
evening, then numerous snow showers after midnight. Snow
accumulation up to 1 inch. West winds 10 to 20 mph. Gusts up to
30 mph in the evening. Lows 19 to 26.
.THURSDAY...Mostly cloudy with isolated snow showers in the morning,
then cloudy with chance of snow showers in the afternoon. Northwest
winds around 10 mph. Highs 30 to 37.
.THURSDAY NIGHT...Cloudy. Scattered snow showers in the evening,
then isolated snow showers and showers after midnight. Northwest
winds around 10 mph in the evening becoming light. Lows 19 to 26.
.FRIDAY...Cloudy in the morning then becoming mostly cloudy.
Isolated snow showers. Light winds. Highs 33 to 40.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing.
Northeast winds around 10 mph in the evening becoming light. Lows
22 to 29.
.SATURDAY...Sunny. Light winds. Highs 44 to 51.

$$

ORZ509-211300-
Newberry Crater-
256 PM PDT Wed Sep 20 2017

.TONIGHT...Numerous snow showers and isolated thunderstorms in the
evening, then isolated snow showers after midnight. Snow
accumulation up to 1 inch. West winds 10 to 15 mph. Gusts up to
30 mph in the evening. Lows 19 to 26.
.THURSDAY...Mostly cloudy. Chance of snow showers in the afternoon.
Northwest winds around 10 mph. Highs 32 to 39.
.THURSDAY NIGHT...Cloudy. Scattered snow showers and showers in the
evening, then isolated showers and snow showers after midnight.
North winds around 10 mph in the evening becoming light. Lows 21 to
28.
.FRIDAY...Cloudy with isolated snow showers in the morning, then
mostly cloudy with slight chance of showers and snow showers in the
afternoon. Light winds becoming north around 10 mph in the
afternoon. Highs 35 to 42.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. North
winds around 10 mph in the evening becoming light. Lows 24 to 31.
.SATURDAY...Sunny. Light winds. Highs 45 to 52.

$$


http://weather.gov/pendleton



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