Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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000
FWUS46 KPDT 212156
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
256 PM PDT Sat Oct 21 2017

ORZ050-221300-
Wallowa Mountains 8000 to 9000 feet-
256 PM PDT Sat Oct 21 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...

.TONIGHT...Snow in the evening, then snow and rain after midnight.
Snow accumulation of 2 to 4 inches. Southwest winds 25 to 35 mph
with gusts to 55 mph. Lows 24 to 31.
.SUNDAY...Rain and snow. Snow accumulation up to 4 inches. Southwest
winds 30 to 40 mph with gusts to 60 mph becoming west 20 to 30 mph
with gusts to 45 mph in the afternoon. Highs 28 to 35.
.SUNDAY NIGHT...Mostly cloudy. Chance of snow showers and showers in
the evening. West winds 10 to 20 mph with gusts to 30 mph. Lows
19 to 26.
.MONDAY...Partly cloudy. Northwest winds around 10 mph. Highs 31 to
38.
.MONDAY NIGHT...Clear. Northwest winds around 10 mph in the evening
becoming light. Lows 29 to 36.
.TUESDAY...Sunny. Light winds. Highs 45 to 52.

$$

ORZ050-221300-
Salt Creek Area 5000 to 7000 feet-
256 PM PDT Sat Oct 21 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...

.TONIGHT...Snow and rain in the evening, then rain after midnight.
Snow accumulation up to 3 inches. South winds 10 to 15 mph with
gusts to 30 mph. Lows 26 to 33.
.SUNDAY...Rain. South winds 15 to 25 mph with gusts to 35 mph
shifting to the southwest 10 to 15 mph with gusts to 25 mph in the
afternoon. Highs 36 to 43.
.SUNDAY NIGHT...Mostly cloudy. Chance of showers in the evening.
Light winds. Lows 26 to 33.
.MONDAY...Partly cloudy. Light winds. Highs 38 to 45.
.MONDAY NIGHT...Clear. Light winds. Lows 30 to 37.
.TUESDAY...Sunny. Light winds. Highs 47 to 54.

$$

ORZ050-062-221300-
Clear Creek Area 6000 to 8000 feet-
256 PM PDT Sat Oct 21 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...

.TONIGHT...Snow in the evening, then rain after midnight. Snow
accumulation up to 5 inches. South winds 10 to 20 mph with gusts to
30 mph. Lows 24 to 31.
.SUNDAY...Rain. South winds 15 to 25 mph shifting to the southwest
10 to 15 mph in the afternoon. Gusts up to 35 mph. Highs 32 to 39.
.SUNDAY NIGHT...Mostly cloudy. Chance of showers in the evening.
Southwest winds around 10 mph in the evening becoming light. Lows
24 to 31.
.MONDAY...Partly cloudy. Light winds. Highs 36 to 43.
.MONDAY NIGHT...Clear. Light winds. Lows 29 to 36.
.TUESDAY...Sunny. Light winds. Highs 44 to 51.

$$

ORZ050-062-221300-
Catherine Creek Area 6000 to 8000 feet-
256 PM PDT Sat Oct 21 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...

.TONIGHT...Snow in the evening, then rain after midnight. Snow
accumulation up to 5 inches. South winds 10 to 20 mph with gusts to
35 mph. Lows 24 to 31.
.SUNDAY...Rain. Southwest winds 15 to 25 mph with gusts to 40 mph
decreasing to 10 to 15 mph with gusts to 30 mph in the afternoon.
Highs 33 to 40.
.SUNDAY NIGHT...Mostly cloudy. Chance of showers in the evening.
West winds 10 to 15 mph. Lows 24 to 31.
.MONDAY...Partly cloudy. Light winds. Highs 36 to 43.
.MONDAY NIGHT...Clear. Light winds. Lows 30 to 37.
.TUESDAY...Sunny. Light winds. Highs 46 to 53.

$$

ORZ050-062-221300-
Norway Area 7000 to 10000 feet-
256 PM PDT Sat Oct 21 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...

.TONIGHT...Snow in the evening, then snow and rain after midnight.
Snow accumulation of 3 to 5 inches. South winds 15 to 25 mph. Gusts
up to 45 mph decreasing to 35 mph after midnight. Lows 23 to 30.
.SUNDAY...Rain and snow. Snow accumulation up to 4 inches. Southwest
winds 15 to 25 mph. Gusts up to 40 mph decreasing to 30 mph in the
afternoon. Highs 29 to 36.
.SUNDAY NIGHT...Mostly cloudy. Chance of snow showers and showers in
the evening. West winds 10 to 15 mph. Lows 21 to 28.
.MONDAY...Partly cloudy. Light winds. Highs 33 to 40.
.MONDAY NIGHT...Clear. Light winds. Lows 29 to 36.
.TUESDAY...Sunny. Light winds. Highs 43 to 50.

$$

ORZ062-503-221300-
Anthony Lakes Area 7000 to 9000 feet-
256 PM PDT Sat Oct 21 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON...

.TONIGHT...Rain and snow in the evening, then rain after midnight.
Snow accumulation up to 3 inches. Southwest winds 20 to 30 mph.
Gusts up to 50 mph decreasing to 40 mph after midnight. Lows 21 to
28.
.SUNDAY...Rain. West winds 20 to 30 mph. Gusts up to 50 mph
decreasing to 35 mph in the afternoon. Highs 33 to 40.
.SUNDAY NIGHT...Mostly cloudy. Chance of showers and snow showers in
the evening. West winds 10 to 15 mph. Gusts up to 25 mph in the
evening. Lows 20 to 27.
.MONDAY...Partly cloudy in the morning then clearing. West winds
around 10 mph in the morning becoming light. Highs 39 to 46.
.MONDAY NIGHT...Clear. Light winds. Lows 29 to 36.
.TUESDAY...Sunny. Light winds. Highs 49 to 56.

$$

ORZ502-221300-
Blue Mountains 4000 to 6000 feet-
256 PM PDT Sat Oct 21 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...

.TONIGHT...Rain. South winds 10 to 15 mph shifting to the southwest
15 to 25 mph after midnight. Gusts up to 45 mph. Lows 28 to 35.
.SUNDAY...Rain in the morning, then rain likely in the afternoon.
Southwest winds 15 to 25 mph with gusts to 50 mph. Highs 39 to 46.
.SUNDAY NIGHT...Mostly cloudy. Slight chance of showers in the
evening. West winds 10 to 15 mph. Gusts up to 35 mph decreasing to
25 mph after midnight. Lows 29 to 36.
.MONDAY...Partly cloudy. Southwest winds up to 10 mph in the morning
becoming light. Highs 43 to 50.
.MONDAY NIGHT...Clear. Light winds. Lows 32 to 39.
.TUESDAY...Sunny. Light winds becoming south up to 10 mph in the
afternoon. Highs 52 to 59.

$$

ORZ509-221300-
Broken Top-
256 PM PDT Sat Oct 21 2017

.TONIGHT...Rain. Southwest winds 45 to 55 mph decreasing to 35 to
50 mph after midnight. Gusts up to 75 mph. Lows 30 to 37.
.SUNDAY...Rain. Southwest winds 25 to 35 mph with gusts to 60 mph
becoming west 15 to 25 mph with gusts to 40 mph in the afternoon.
Highs 37 to 44.
.SUNDAY NIGHT...Showers likely in the evening. West winds 10 to
15 mph. Gusts up to 30 mph in the evening. Lows 25 to 32.
.MONDAY...Partly cloudy in the morning then becoming sunny. Light
winds. Highs 49 to 56.
.MONDAY NIGHT...Clear. Light winds becoming southeast around 10 mph
after midnight. Lows 35 to 42.
.TUESDAY...Sunny. Southeast winds around 10 mph. Highs 55 to 62.

$$

ORZ509-221300-
Tam McArthur Rim-
256 PM PDT Sat Oct 21 2017

.TONIGHT...Rain. Southwest winds 45 to 55 mph with gusts to 75 mph
decreasing to 35 to 45 mph with gusts to 65 mph after midnight. Lows
30 to 37.
.SUNDAY...Rain. Southwest winds 25 to 35 mph with gusts to 50 mph
becoming west 15 to 25 mph with gusts to 35 mph in the afternoon.
Highs 37 to 44.
.SUNDAY NIGHT...Mostly cloudy. Chance of showers in the evening.
West winds 10 to 15 mph. Gusts up to 25 mph in the evening. Lows
25 to 32.
.MONDAY...Partly cloudy in the morning then becoming sunny. Light
winds. Highs 49 to 56.
.MONDAY NIGHT...Clear. Light winds. Lows 35 to 42.
.TUESDAY...Sunny. Southeast winds around 10 mph. Highs 55 to 62.

$$

ORZ509-221300-
Newberry Crater-
256 PM PDT Sat Oct 21 2017

.TONIGHT...Mostly cloudy with chance of rain. Southwest winds 30 to
45 mph. Gusts up to 65 mph decreasing to 55 mph after midnight. Lows
31 to 38.
.SUNDAY...Rain likely in the morning, then rain in the afternoon.
Southwest winds 20 to 30 mph. Gusts up to 50 mph decreasing to
35 mph in the afternoon. Highs 40 to 47.
.SUNDAY NIGHT...Mostly cloudy. Chance of showers in the evening.
West winds 10 to 15 mph. Gusts up to 25 mph in the evening. Lows
28 to 35.
.MONDAY...Sunny. Light winds. Highs 51 to 58.
.MONDAY NIGHT...Clear. Light winds becoming southeast around 10 mph
after midnight. Lows 35 to 42.
.TUESDAY...Sunny. Southeast winds 10 to 15 mph. Highs 56 to 63.

$$


http://weather.gov/pendleton



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