Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 251056
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
356 AM PDT Thu May 25 2017

ORZ050-260100-
Wallowa Mountains 8000 to 9000 feet-
356 AM PDT Thu May 25 2017

.TODAY...Mostly cloudy with isolated snow showers in the morning,
then cloudy with scattered snow showers and isolated thunderstorms
in the afternoon. Snow accumulation up to 1 inch. North winds around
10 mph. Highs 34 to 41.
.TONIGHT...Cloudy. Chance of snow showers, showers and slight chance
of thunderstorms in the evening, then slight chance of snow showers
after midnight. Northeast winds around 10 mph. Lows 26 to 33.
.FRIDAY...Mostly cloudy. Slight chance of snow showers and showers
in the morning, then chance of showers, snow showers and slight
chance of thunderstorms in the afternoon. North winds 10 to 15 mph.
Highs 39 to 46.
.FRIDAY NIGHT...Mostly cloudy with slight chance of thunderstorms in
the evening, then clear after midnight. North winds around 10 mph in
the evening becoming light. Lows 30 to 37.
.SATURDAY...Sunny. Light winds. Highs 47 to 54.
.SATURDAY NIGHT...Clear. Light winds. Lows 31 to 38.

$$

ORZ050-260100-
Salt Creek Area 5000 to 7000 feet-
356 AM PDT Thu May 25 2017

.TODAY...Mostly cloudy with isolated showers and snow showers in the
morning, then cloudy with scattered showers and isolated
thunderstorms in the afternoon. North winds around 10 mph. Highs
45 to 52.
.TONIGHT...Cloudy. Chance of showers and slight chance of
thunderstorms in the evening, then slight chance of showers after
midnight. North winds around 10 mph. Lows 33 to 40.
.FRIDAY...Mostly cloudy. Slight chance of showers in the morning,
then slight chance of thunderstorms in the afternoon. North winds
around 10 mph. Highs 51 to 58.
.FRIDAY NIGHT...Mostly cloudy with slight chance of thunderstorms in
the evening, then clear after midnight. North winds around 10 mph in
the evening becoming light. Lows 35 to 42.
.SATURDAY...Sunny. Light winds. Highs 59 to 66.
.SATURDAY NIGHT...Clear. Light winds. Lows 36 to 43.

$$

ORZ050-062-260100-
Clear Creek Area 6000 to 8000 feet-
356 AM PDT Thu May 25 2017

.TODAY...Mostly cloudy with isolated snow showers in the morning,
then cloudy with scattered showers, snow showers and isolated
thunderstorms in the afternoon. Snow accumulation up to 1 inch.
North winds around 10 mph. Highs 38 to 45.
.TONIGHT...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. Lows 29 to
36.
.FRIDAY...Mostly cloudy with slight chance of showers and snow
showers in the morning, then partly cloudy with chance of showers
and slight chance of thunderstorms in the afternoon. North winds
around 10 mph. Highs 45 to 52.
.FRIDAY NIGHT...Partly cloudy with slight chance of thunderstorms in
the evening, then clear after midnight. North winds around 10 mph in
the evening becoming light. Lows 30 to 37.
.SATURDAY...Sunny. North winds around 10 mph in the morning becoming
light. Highs 50 to 57.
.SATURDAY NIGHT...Clear. Light winds. Lows 32 to 39.

$$

ORZ050-062-260100-
Catherine Creek Area 6000 to 8000 feet-
356 AM PDT Thu May 25 2017

.TODAY...Mostly cloudy with isolated snow showers in the morning,
then cloudy with scattered showers, snow showers and isolated
thunderstorms in the afternoon. Snow accumulation up to 1 inch.
North winds around 10 mph. Highs 40 to 47.
.TONIGHT...Mostly cloudy. Chance of showers and slight chance of
thunderstorms in the evening. North winds around 10 mph. Lows 31 to
38.
.FRIDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms in the afternoon. North winds 10 to 15 mph. Highs
47 to 54.
.FRIDAY NIGHT...Mostly cloudy with slight chance of thunderstorms in
the evening, then clear after midnight. North winds around 10 mph in
the evening becoming light. Lows 32 to 39.
.SATURDAY...Sunny. Light winds. Highs 52 to 59.
.SATURDAY NIGHT...Clear. Light winds. Lows 37 to 44.

$$

ORZ050-062-260100-
Norway Area 7000 to 10000 feet-
356 AM PDT Thu May 25 2017

.TODAY...Mostly cloudy with isolated snow showers in the morning,
then cloudy with scattered snow showers, showers and isolated
thunderstorms in the afternoon. Snow accumulation up to 1 inch.
North winds around 10 mph. Highs 36 to 43.
.TONIGHT...Cloudy. Chance of snow showers, showers and slight chance
of thunderstorms in the evening, then slight chance of snow showers
and showers after midnight. Little or no snow accumulation. North
winds around 10 mph. Lows 28 to 35.
.FRIDAY...Mostly cloudy with slight chance of snow showers and
showers in the morning, then partly cloudy with chance of showers,
snow showers and slight chance of thunderstorms in the afternoon.
North winds around 10 mph. Highs 43 to 50.
.FRIDAY NIGHT...Partly cloudy with slight chance of thunderstorms
and snow showers in the evening, then clear after midnight. 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 48 to 55.
.SATURDAY NIGHT...Clear. Light winds. Lows 32 to 39.

$$

ORZ062-503-260100-
Anthony Lakes Area 7000 to 9000 feet-
356 AM PDT Thu May 25 2017

.TODAY...Mostly cloudy with isolated snow showers in the morning,
then cloudy with scattered snow showers, showers and isolated
thunderstorms in the afternoon. Snow accumulation up to 1 inch.
North winds around 10 mph. Highs 34 to 41.
.TONIGHT...Mostly cloudy. Chance of showers, snow showers and slight
chance of thunderstorms in the evening. North winds around 10 mph.
Lows 27 to 34.
.FRIDAY...Partly cloudy. Slight chance of thunderstorms and snow
showers in the afternoon. 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 46 to 53.
.SATURDAY NIGHT...Clear. Light winds. Lows 32 to 39.

$$

ORZ502-260100-
Blue Mountains 4000 to 6000 feet-
356 AM PDT Thu May 25 2017

.TODAY...Mostly cloudy with isolated showers in the morning, then
cloudy with scattered showers and isolated thunderstorms in the
afternoon. Light winds becoming northwest around 10 mph in the
afternoon. Highs 46 to 53.
.TONIGHT...Mostly cloudy. Chance of showers and slight chance of
thunderstorms in the evening. Northeast winds around 10 mph in the
evening becoming light. Lows 33 to 40.
.FRIDAY...Partly cloudy in the morning, then mostly cloudy with
slight chance of thunderstorms in the afternoon. Light winds
becoming north around 10 mph in the afternoon. Highs 58 to 64.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming clear.
Light winds. Lows 36 to 43.
.SATURDAY...Sunny. Light winds. Highs 64 to 70.
.SATURDAY NIGHT...Clear. Light winds. Lows 39 to 46.

$$

ORZ509-260100-
Broken Top-
356 AM PDT Thu May 25 2017

.TODAY...Partly cloudy. Light winds becoming northeast around 10 mph
in the afternoon. Highs 42 to 49.
.TONIGHT...Partly cloudy with slight chance of thunderstorms in the
evening, then clear after midnight. Northeast winds 10 to 15 mph.
Lows 27 to 34.
.FRIDAY...Sunny. Light winds becoming northeast around 10 mph in the
afternoon. Highs 49 to 56.
.FRIDAY NIGHT...Clear. Light winds. Lows 34 to 41.
.SATURDAY...Sunny. Light winds. Highs 55 to 62.
.SATURDAY NIGHT...Clear. North winds around 10 mph in the evening
becoming light. Lows 39 to 46.

$$

ORZ509-260100-
Tam McArthur Rim-
356 AM PDT Thu May 25 2017

.TODAY...Partly cloudy. Light winds becoming northeast around 10 mph
in the afternoon. Highs 41 to 48.
.TONIGHT...Partly cloudy in the evening then clearing. Northeast
winds 10 to 15 mph. Lows 28 to 35.
.FRIDAY...Sunny. Light winds becoming northeast around 10 mph in the
afternoon. Highs 49 to 56.
.FRIDAY NIGHT...Clear. Light winds. Lows 34 to 41.
.SATURDAY...Sunny. Light winds. Highs 55 to 62.
.SATURDAY NIGHT...Clear. North winds around 10 mph in the evening
becoming light. Lows 39 to 46.

$$

ORZ509-260100-
Newberry Crater-
356 AM PDT Thu May 25 2017

.TODAY...Sunny in the morning then becoming partly cloudy. Light
winds becoming north around 10 mph in the afternoon. Highs 46 to 53.
.TONIGHT...Partly cloudy in the evening then clearing. North winds
10 to 15 mph. Lows 30 to 37.
.FRIDAY...Sunny. Light winds becoming northeast around 10 mph in the
afternoon. Highs 52 to 59.
.FRIDAY NIGHT...Clear. North winds around 10 mph in the evening
becoming light. Lows 36 to 43.
.SATURDAY...Sunny. Light winds. Highs 59 to 66.
.SATURDAY NIGHT...Clear. North winds around 10 mph in the evening
becoming light. Lows 41 to 48.

$$


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