Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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000
FWUS46 KPDT 242156
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
256 PM PDT Wed May 24 2017

ORZ050-251300-
Wallowa Mountains 8000 to 9000 feet-
256 PM PDT Wed May 24 2017

.TONIGHT...Partly cloudy in the evening, then mostly cloudy with
slight chance of snow showers after midnight. Northwest winds 10 to
15 mph. Lows 22 to 29.
.THURSDAY...Mostly cloudy. Slight chance of snow showers in the
morning, then chance of snow showers and slight chance of
thunderstorms in the afternoon. Snow accumulation up to 1 inch.
Light winds becoming northeast around 10 mph in the afternoon. Highs
33 to 40.
.THURSDAY NIGHT...Cloudy. Chance of snow showers and slight chance
of thunderstorms in the evening, then slight chance of snow showers
after midnight. North winds around 10 mph in the evening becoming
light. Lows 24 to 31.
.FRIDAY...Mostly cloudy with slight chance of snow showers in the
morning, then partly cloudy with slight chance of thunderstorms and
snow showers in the afternoon. North winds 10 to 15 mph. Highs 38 to
45.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. North
winds around 10 mph in the evening becoming light. Lows 26 to 33.
.SATURDAY...Sunny. Light winds. Highs 45 to 52.

$$

ORZ050-251300-
Salt Creek Area 5000 to 7000 feet-
256 PM PDT Wed May 24 2017

.TONIGHT...Partly cloudy in the evening then becoming mostly cloudy.
Northwest winds around 10 mph. Lows 29 to 36.
.THURSDAY...Mostly cloudy. Slight chance of showers and snow showers
in the morning, then chance of showers and slight chance of
thunderstorms in the afternoon. Light winds becoming north around
10 mph in the afternoon. Highs 42 to 49.
.THURSDAY NIGHT...Cloudy. Chance of showers and slight chance of
thunderstorms in the evening, then slight chance of showers after
midnight. North winds around 10 mph in the evening becoming light.
Lows 30 to 37.
.FRIDAY...Mostly cloudy with slight chance of showers in the
morning, then partly cloudy with slight chance of thunderstorms in
the afternoon. North winds around 10 mph. Highs 50 to 57.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. North
winds around 10 mph in the evening becoming light. Lows 32 to 39.
.SATURDAY...Sunny. Light winds. Highs 58 to 65.

$$

ORZ050-062-251300-
Clear Creek Area 6000 to 8000 feet-
256 PM PDT Wed May 24 2017

.TONIGHT...Partly cloudy in the evening, then mostly cloudy with
slight chance of snow showers after midnight. Northwest winds 10 to
15 mph. Lows 26 to 33.
.THURSDAY...Mostly cloudy. Slight chance of snow showers in the
morning, then chance of showers, snow showers and slight chance of
thunderstorms in the afternoon. Snow accumulation up to 1 inch.
Light winds becoming north around 10 mph in the afternoon. Highs
39 to 46.
.THURSDAY NIGHT...Cloudy. Chance of showers, snow showers and slight
chance of thunderstorms in the evening, then slight chance of
showers and snow showers after midnight. North winds around 10 mph
in the evening becoming light. Lows 27 to 34.
.FRIDAY...Mostly cloudy with slight chance of showers and snow
showers in the morning, then partly cloudy with slight chance of
thunderstorms in the afternoon. North winds around 10 mph. Highs
44 to 51.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. North
winds around 10 mph in the evening becoming light. Lows 30 to 37.
.SATURDAY...Sunny. Northeast winds around 10 mph in the morning
becoming light. Highs 52 to 59.

$$

ORZ050-062-251300-
Catherine Creek Area 6000 to 8000 feet-
256 PM PDT Wed May 24 2017

.TONIGHT...Partly cloudy in the evening then becoming mostly cloudy.
Northwest winds 10 to 15 mph. Lows 26 to 33.
.THURSDAY...Mostly cloudy. Slight chance of snow showers in the
morning, then chance of showers, snow showers and slight chance of
thunderstorms in the afternoon. Snow accumulation up to 1 inch.
Light winds becoming north around 10 mph in the afternoon. Highs
39 to 46.
.THURSDAY NIGHT...Mostly cloudy. Chance of showers and slight chance
of thunderstorms in the evening. North winds around 10 mph in the
evening becoming light. Lows 27 to 34.
.FRIDAY...Mostly cloudy in the morning, then partly cloudy with
slight chance of thunderstorms in the afternoon. North winds around
10 mph. Highs 44 to 51.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. North
winds around 10 mph in the evening becoming light. Lows 31 to 38.
.SATURDAY...Sunny. Light winds. Highs 52 to 59.

$$

ORZ050-062-251300-
Norway Area 7000 to 10000 feet-
256 PM PDT Wed May 24 2017

.TONIGHT...Partly cloudy in the evening, then mostly cloudy with
slight chance of snow showers after midnight. Northwest winds 10 to
15 mph. Gusts up to 25 mph in the evening. Lows 24 to 31.
.THURSDAY...Mostly cloudy. Slight chance of snow showers in the
morning, then chance of snow showers and slight chance of
thunderstorms in the afternoon. Snow accumulation up to 1 inch.
Light winds becoming north around 10 mph in the afternoon. Highs
36 to 43.
.THURSDAY NIGHT...Cloudy. Chance of snow showers, showers and slight
chance of thunderstorms in the evening, then slight chance of snow
showers after midnight. Snow accumulation up to 1 inch. North winds
around 10 mph in the evening becoming light. Lows 26 to 33.
.FRIDAY...Mostly cloudy with slight chance of snow showers in the
morning, then partly cloudy with slight chance of thunderstorms and
snow showers in the afternoon. North winds around 10 mph. Highs
41 to 48.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. North
winds around 10 mph in the evening becoming light. Lows 29 to 36.
.SATURDAY...Sunny. Northeast winds around 10 mph in the morning
becoming light. Highs 47 to 54.

$$

ORZ062-503-251300-
Anthony Lakes Area 7000 to 9000 feet-
256 PM PDT Wed May 24 2017

.TONIGHT...Partly cloudy in the evening then becoming mostly cloudy.
Northwest winds 10 to 20 mph. Lows 23 to 30.
.THURSDAY...Mostly cloudy. Slight chance of snow showers in the
morning, then chance of snow showers and slight chance of
thunderstorms in the afternoon. Snow accumulation up to 1 inch.
Light winds becoming north around 10 mph in the afternoon. Highs
37 to 44.
.THURSDAY NIGHT...Mostly cloudy. Chance of showers, snow showers and
slight chance of thunderstorms in the evening. North winds around
10 mph in the evening becoming light. Lows 24 to 31.
.FRIDAY...Partly cloudy. North winds 10 to 15 mph. Highs 41 to 48.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. North
winds around 10 mph in the evening becoming light. Lows 28 to 35.
.SATURDAY...Sunny. Light winds. Highs 50 to 57.

$$

ORZ502-251300-
Blue Mountains 4000 to 6000 feet-
256 PM PDT Wed May 24 2017

.TONIGHT...Partly cloudy in the evening then becoming mostly cloudy.
West winds 10 to 15 mph. Lows 30 to 37.
.THURSDAY...Mostly cloudy. Slight chance of showers in the morning,
then chance of showers and slight chance of thunderstorms in the
afternoon. Light winds becoming north around 10 mph in the
afternoon. Highs 45 to 52.
.THURSDAY NIGHT...Mostly cloudy. Chance of showers and slight chance
of thunderstorms in the evening. Light winds. Lows 30 to 37.
.FRIDAY...Partly cloudy. Slight chance of thunderstorms in the
afternoon. Light winds becoming northwest around 10 mph in the
afternoon. Highs 52 to 59.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. Light
winds. Lows 35 to 42.
.SATURDAY...Sunny. Light winds. Highs 65 to 71.

$$

ORZ509-251300-
Broken Top-
256 PM PDT Wed May 24 2017

.TONIGHT...Clear. Northwest winds 10 to 15 mph. Gusts up to 25 mph
in the evening. Lows 26 to 33.
.THURSDAY...Sunny. Light winds becoming north around 10 mph in the
afternoon. Highs 46 to 53.
.THURSDAY NIGHT...Clear. Northeast winds around 10 mph. Lows 27 to
34.
.FRIDAY...Sunny. Light winds becoming east around 10 mph in the
afternoon. Highs 52 to 59.
.FRIDAY NIGHT...Clear. Light winds. Lows 34 to 41.
.SATURDAY...Sunny. Light winds. Highs 60 to 67.

$$

ORZ509-251300-
Tam McArthur Rim-
256 PM PDT Wed May 24 2017

.TONIGHT...Clear. Northwest winds 10 to 15 mph. Gusts up to 25 mph
in the evening. Lows 26 to 33.
.THURSDAY...Sunny. Light winds becoming north around 10 mph in the
afternoon. Highs 46 to 53.
.THURSDAY NIGHT...Clear. Northeast winds around 10 mph. Lows 27 to
34.
.FRIDAY...Sunny. Light winds becoming east around 10 mph in the
afternoon. Highs 52 to 59.
.FRIDAY NIGHT...Clear. Light winds. Lows 34 to 41.
.SATURDAY...Sunny. Light winds. Highs 60 to 67.

$$

ORZ509-251300-
Newberry Crater-
256 PM PDT Wed May 24 2017

.TONIGHT...Clear. Northwest winds 15 to 20 mph decreasing to around
10 mph after midnight. Lows 25 to 32.
.THURSDAY...Sunny. Light winds becoming north around 10 mph in the
afternoon. Highs 49 to 56.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming clear.
North winds 10 to 15 mph shifting to the northeast after midnight.
Lows 28 to 35.
.FRIDAY...Sunny. Light winds becoming northeast around 10 mph in the
afternoon. Highs 54 to 61.
.FRIDAY NIGHT...Clear. Northeast winds around 10 mph in the evening
becoming light. Lows 35 to 42.
.SATURDAY...Sunny. Light winds. Highs 61 to 68.

$$


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