Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 202256
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
256 PM PST Sat Jan 20 2018

ORZ050-211400-
Wallowa Mountains 8000 to 9000 feet-
256 PM PST Sat Jan 20 2018

.TONIGHT...Mostly cloudy. Slight chance of snow showers in the
evening. Southwest winds 10 to 15 mph. Gusts up to 25 mph after
midnight. Lows 5 to 12.
.SUNDAY...Snow likely in the afternoon. Snow accumulation up to
1 inch. South winds 10 to 15 mph with gusts to 30 mph shifting to
the southwest 15 to 25 mph with gusts to 40 mph in the afternoon.
Highs 16 to 23.
.SUNDAY NIGHT...Snow in the evening, then snow likely after
midnight. Snow accumulation of 1 to 2 inches. Southwest winds 20 to
30 mph with gusts to 40 mph becoming west 10 to 15 mph after
midnight. Lows 11 to 18.
.MONDAY...Cloudy with chance of snow showers. West winds around
10 mph. Highs 16 to 23.
.MONDAY NIGHT...Cloudy. Chance of snow showers in the evening.
Southwest winds around 10 mph. Lows 8 to 15.
.TUESDAY...Cloudy with chance of snow. Southwest winds 10 to 15 mph.
Highs 17 to 24.

$$

ORZ050-211400-
Salt Creek Area 5000 to 7000 feet-
256 PM PST Sat Jan 20 2018

.TONIGHT...Mostly cloudy. Slight chance of snow showers in the
evening. South winds around 10 mph. Lows 9 to 16.
.SUNDAY...Cloudy. Chance of snow in the afternoon. Little or no snow
accumulation. South winds 10 to 20 mph with gusts to 30 mph. Highs
21 to 28.
.SUNDAY NIGHT...Snow in the evening, then snow likely after
midnight. Snow accumulation of 1 to 2 inches. South winds 15 to
20 mph with gusts to 30 mph shifting to the southwest around 10 mph
after midnight. Lows 16 to 23.
.MONDAY...Cloudy. Slight chance of snow showers in the morning, then
chance of snow showers in the afternoon. Light winds. Highs 24 to
31.
.MONDAY NIGHT...Cloudy. Chance of snow showers in the evening. Light
winds. Lows 13 to 20.
.TUESDAY...Cloudy. Slight chance of snow in the morning, then chance
of snow in the afternoon. South winds 10 to 15 mph. Highs 23 to 30.

$$

ORZ050-062-211400-
Clear Creek Area 6000 to 8000 feet-
256 PM PST Sat Jan 20 2018

.TONIGHT...Mostly cloudy. Slight chance of snow showers in the
evening. South winds around 10 mph. Lows 8 to 15.
.SUNDAY...Snow likely in the afternoon. Snow accumulation up to
1 inch. South winds 10 to 20 mph with gusts to 30 mph. Highs 17 to
24.
.SUNDAY NIGHT...Snow. Snow accumulation of 1 to 3 inches. Southwest
winds 15 to 20 mph with gusts to 30 mph decreasing to around 10 mph
after midnight. Lows 14 to 21.
.MONDAY...Cloudy with chance of snow showers. West winds around
10 mph. Highs 20 to 27.
.MONDAY NIGHT...Cloudy. Slight chance of snow showers in the
evening. Light winds. Lows 11 to 18.
.TUESDAY...Cloudy with chance of snow. South winds 10 to 15 mph.
Highs 20 to 27.

$$

ORZ050-062-211400-
Catherine Creek Area 6000 to 8000 feet-
256 PM PST Sat Jan 20 2018

.TONIGHT...Mostly cloudy. Slight chance of snow showers in the
evening. Southwest winds around 10 mph. Lows 9 to 16.
.SUNDAY...Snow likely in the afternoon. Snow accumulation up to
1 inch. South winds 15 to 25 mph with gusts to 35 mph. Highs 18 to
25.
.SUNDAY NIGHT...Snow. Snow accumulation of 1 to 2 inches. South
winds 15 to 25 mph with gusts to 35 mph becoming southwest around
10 mph after midnight. Lows 13 to 20.
.MONDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow showers. West winds around 10 mph. Highs 21 to 28.
.MONDAY NIGHT...Cloudy. Slight chance of snow showers in the
evening. Light winds. Lows 12 to 19.
.TUESDAY...Cloudy with chance of snow. South winds 10 to 15 mph.
Gusts up to 25 mph in the afternoon. Highs 21 to 28.

$$

ORZ050-062-211400-
Norway Area 7000 to 10000 feet-
256 PM PST Sat Jan 20 2018

.TONIGHT...Mostly cloudy. Slight chance of snow showers in the
evening. Southwest winds around 10 mph. Lows 5 to 12.
.SUNDAY...Snow in the afternoon. Snow accumulation up to 1 inch.
South winds 10 to 15 mph increasing to 15 to 25 mph in the
afternoon. Gusts up to 35 mph. Highs 16 to 23.
.SUNDAY NIGHT...Snow. Snow accumulation of 2 to 4 inches. Southwest
winds 15 to 25 mph with gusts to 35 mph decreasing to 10 to 15 mph
after midnight. Lows 11 to 18.
.MONDAY...Cloudy with chance of snow showers. West winds around
10 mph. Highs 17 to 24.
.MONDAY NIGHT...Cloudy. Slight chance of snow showers in the
evening. Light winds becoming southwest around 10 mph after
midnight. Lows 9 to 16.
.TUESDAY...Cloudy with chance of snow. South winds 10 to 15 mph.
Highs 18 to 25.

$$

ORZ062-503-211400-
Anthony Lakes Area 7000 to 9000 feet-
256 PM PST Sat Jan 20 2018

.TONIGHT...Mostly cloudy. Chance of snow showers in the evening.
Southwest winds around 10 mph. Gusts up to 25 mph after midnight.
Lows 8 to 15.
.SUNDAY...Snow in the afternoon. Snow accumulation up to 1 inch.
Southwest winds 10 to 20 mph with gusts to 35 mph. Highs 18 to 25.
.SUNDAY NIGHT...Snow in the evening, then snow likely after
midnight. Snow accumulation of 1 to 2 inches. West winds 10 to
20 mph. Gusts up to 30 mph in the evening. Lows 11 to 18.
.MONDAY...Cloudy. Slight chance of snow showers in the morning, then
chance of snow showers in the afternoon. Northwest winds 10 to
15 mph. Highs 17 to 24.
.MONDAY NIGHT...Cloudy. Slight chance of snow showers in the
evening. Light winds becoming southwest around 10 mph after
midnight. Lows 9 to 16.
.TUESDAY...Cloudy. Slight chance of snow in the morning, then chance
of snow in the afternoon. South winds 10 to 15 mph. Gusts up to
25 mph in the afternoon. Highs 20 to 27.

$$

ORZ502-211400-
Blue Mountains 4000 to 6000 feet-
256 PM PST Sat Jan 20 2018

.TONIGHT...Mostly cloudy. Slight chance of snow showers in the
evening. South winds 10 to 15 mph. Gusts up to 30 mph after
midnight. Lows 15 to 22.
.SUNDAY...Snow in the afternoon. Snow accumulation up to 1 inch.
South winds 15 to 25 mph with gusts to 35 mph. Highs 25 to 32.
.SUNDAY NIGHT...Snow in the evening, then snow likely after
midnight. Snow accumulation of 1 to 2 inches. Southwest winds 10 to
20 mph. Gusts up to 35 mph decreasing to 25 mph after midnight. Lows
19 to 26.
.MONDAY...Cloudy with chance of snow showers. West winds 10 to
15 mph. Highs 27 to 34.
.MONDAY NIGHT...Cloudy. Slight chance of snow showers in the
evening. Southwest winds around 10 mph. Lows 17 to 24.
.TUESDAY...Cloudy. Slight chance of snow in the morning, then chance
of snow in the afternoon. South winds 10 to 20 mph. Highs 27 to 34.

$$

ORZ509-211400-
Broken Top-
256 PM PST Sat Jan 20 2018

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 10 PM PST SUNDAY...

.TONIGHT...Cloudy. Slight chance of snow showers in the evening,
then slight chance of snow after midnight. Southwest winds 20 to
30 mph with gusts to 45 mph. Lows 13 to 20.
.SUNDAY...Snow. Snow accumulation of 1 to 4 inches. Southwest winds
20 to 35 mph with gusts to 50 mph. Highs 23 to 30.
.SUNDAY NIGHT...Snow in the evening, then snow likely after
midnight. Snow accumulation of 1 to 2 inches. West winds 20 to
30 mph with gusts to 40 mph decreasing to 15 to 20 mph with gusts to
30 mph after midnight. Lows 13 to 20.
.MONDAY...Cloudy with chance of snow showers. Little or no snow
accumulation. West winds 10 to 15 mph. Gusts up to 25 mph in the
morning. Highs 21 to 28.
.MONDAY NIGHT...Cloudy. Chance of snow showers in the evening, then
slight chance of snow showers after midnight. Southwest winds around
10 mph. Lows 13 to 20.
.TUESDAY...Chance of snow in the morning, then snow likely in the
afternoon. Snow accumulation around 1 inch. South winds 10 to
20 mph. Highs 23 to 30.

$$

ORZ509-211400-
Tam McArthur Rim-
256 PM PST Sat Jan 20 2018

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 10 PM PST SUNDAY...

.TONIGHT...Cloudy. Slight chance of snow showers in the evening,
then slight chance of snow after midnight. Southwest winds 20 to
30 mph with gusts to 45 mph. Lows 14 to 21.
.SUNDAY...Snow. Snow accumulation of 1 to 3 inches. Southwest winds
20 to 30 mph with gusts to 50 mph. Highs 23 to 30.
.SUNDAY NIGHT...Snow in the evening, then snow likely after
midnight. Snow accumulation of 1 to 2 inches. West winds 15 to
25 mph. Gusts up to 40 mph decreasing to 30 mph after midnight. Lows
13 to 20.
.MONDAY...Cloudy with chance of snow showers. Little or no snow
accumulation. West winds 10 to 15 mph. Highs 21 to 28.
.MONDAY NIGHT...Cloudy. Chance of snow showers in the evening, then
slight chance of snow showers after midnight. Southwest winds around
10 mph. Lows 13 to 20.
.TUESDAY...Chance of snow in the morning, then snow likely in the
afternoon. Snow accumulation around 1 inch. South winds 10 to
20 mph. Highs 24 to 31.

$$

ORZ509-211400-
Newberry Crater-
256 PM PST Sat Jan 20 2018

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 10 PM PST SUNDAY...

.TONIGHT...Mostly cloudy. Southwest winds 10 to 15 mph increasing to
south 20 to 30 mph after midnight. Gusts up to 40 mph. Lows 13 to
20.
.SUNDAY...Chance of snow in the morning, then snow likely in the
afternoon. Snow accumulation up to 1 inch. Southwest winds 20 to
35 mph with gusts to 50 mph. Highs 24 to 31.
.SUNDAY NIGHT...Snow likely. Snow accumulation up to 1 inch. West
winds 20 to 30 mph with gusts to 40 mph decreasing to 10 to 15 mph
with gusts to 25 mph after midnight. Lows 14 to 21.
.MONDAY...Mostly cloudy in the morning then becoming cloudy. West
winds 10 to 15 mph. Highs 23 to 30.
.MONDAY NIGHT...Mostly cloudy. Southwest winds around 10 mph. Lows
14 to 21.
.TUESDAY...Cloudy with chance of snow. Snow accumulation up to
1 inch. South winds 10 to 20 mph. Gusts up to 30 mph in the
afternoon. Highs 25 to 32.

$$


http://weather.gov/pendleton



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