Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 201156
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
356 AM PST Sat Jan 20 2018

ORZ050-210200-
Wallowa Mountains 8000 to 9000 feet-
356 AM PST Sat Jan 20 2018

.TODAY...Mostly cloudy with scattered snow showers. West winds
around 10 mph in the morning becoming light. Highs 13 to 20.
.TONIGHT...Mostly cloudy. Slight chance of snow showers in the
evening. Southwest winds 10 to 15 mph. Lows 6 to 13.
.SUNDAY...Mostly cloudy in the morning, then cloudy with chance of
snow in the afternoon. Snow accumulation up to 1 inch. Southwest
winds 10 to 20 mph with gusts to 30 mph. Highs 17 to 24.
.SUNDAY NIGHT...Snow in the evening, then snow showers likely after
midnight. Snow accumulation of 1 to 2 inches. Southwest winds 15 to
25 mph with gusts to 40 mph decreasing to 10 to 15 mph after
midnight. Lows 12 to 19.
.MONDAY...Mostly cloudy with chance of snow showers. West winds
around 10 mph. Highs 16 to 23.
.MONDAY NIGHT...Mostly cloudy. Slight chance of snow showers in the
evening, then chance of snow showers after midnight. Southwest winds
around 10 mph. Lows 8 to 15.

$$

ORZ050-210200-
Salt Creek Area 5000 to 7000 feet-
356 AM PST Sat Jan 20 2018

.TODAY...Mostly cloudy. Isolated snow showers in the morning, then
scattered snow showers in the afternoon. Light winds. Highs 22 to
29.
.TONIGHT...Mostly cloudy. Slight chance of snow showers in the
evening. Light winds becoming south around 10 mph after midnight.
Lows 11 to 18.
.SUNDAY...Mostly cloudy in the morning, then cloudy with chance of
snow in the afternoon. Snow accumulation up to 1 inch. South winds
10 to 15 mph. Highs 22 to 29.
.SUNDAY NIGHT...Snow in the evening, then snow showers likely after
midnight. Snow accumulation of 1 to 2 inches. South winds 15 to
20 mph with gusts to 30 mph decreasing to around 10 mph after
midnight. Lows 17 to 24.
.MONDAY...Mostly cloudy with chance of snow showers. Light winds.
Highs 24 to 31.
.MONDAY NIGHT...Mostly cloudy with slight chance of snow showers.
Light winds becoming south around 10 mph after midnight. Lows 13 to
20.

$$

ORZ050-062-210200-
Clear Creek Area 6000 to 8000 feet-
356 AM PST Sat Jan 20 2018

.TODAY...Mostly cloudy with scattered snow showers. Light winds.
Highs 17 to 24.
.TONIGHT...Mostly cloudy. Slight chance of snow showers in the
evening. Light winds becoming south around 10 mph after midnight.
Lows 9 to 16.
.SUNDAY...Mostly cloudy in the morning, then snow likely in the
afternoon. Snow accumulation up to 1 inch. South winds 10 to 15 mph.
Highs 17 to 24.
.SUNDAY NIGHT...Snow in the evening, then snow showers after
midnight. Snow accumulation of 1 to 4 inches. South winds 15 to
20 mph with gusts to 30 mph shifting to the southwest around 10 mph
after midnight. Lows 14 to 21.
.MONDAY...Mostly cloudy with chance of snow showers. Southwest winds
around 10 mph. Highs 19 to 26.
.MONDAY NIGHT...Cloudy with chance of snow showers. Light winds
becoming south around 10 mph after midnight. Lows 11 to 18.

$$

ORZ050-062-210200-
Catherine Creek Area 6000 to 8000 feet-
356 AM PST Sat Jan 20 2018

.TODAY...Cloudy with scattered snow showers. West winds around
10 mph in the morning becoming light. Highs 16 to 23.
.TONIGHT...Mostly cloudy. Slight chance of snow showers in the
evening. South winds around 10 mph. Lows 10 to 17.
.SUNDAY...Mostly cloudy in the morning, then snow likely in the
afternoon. Snow accumulation up to 1 inch. South winds 10 to 20 mph
with gusts to 30 mph. Highs 18 to 25.
.SUNDAY NIGHT...Snow in the evening, then snow showers after
midnight. Snow accumulation of 1 to 2 inches. South winds 15 to
20 mph with gusts to 35 mph shifting to the southwest around 10 mph
after midnight. Lows 14 to 21.
.MONDAY...Mostly cloudy with chance of snow showers. West winds
around 10 mph. Highs 21 to 28.
.MONDAY NIGHT...Mostly cloudy with chance of snow showers. Light
winds. Lows 13 to 20.

$$

ORZ050-062-210200-
Norway Area 7000 to 10000 feet-
356 AM PST Sat Jan 20 2018

.TODAY...Mostly cloudy with scattered snow showers. West winds
around 10 mph. Highs 15 to 22.
.TONIGHT...Mostly cloudy. Slight chance of snow showers in the
evening. Southwest winds around 10 mph. Lows 7 to 14.
.SUNDAY...Mostly cloudy in the morning, then snow likely in the
afternoon. Snow accumulation up to 1 inch. South winds 10 to 15 mph
with gusts to 30 mph. Highs 17 to 24.
.SUNDAY NIGHT...Snow in the evening, then snow showers after
midnight. Snow accumulation of 3 to 4 inches. Southwest winds 10 to
20 mph. Gusts up to 35 mph in the evening. Lows 12 to 19.
.MONDAY...Mostly cloudy with chance of snow showers. West winds
around 10 mph. Highs 18 to 25.
.MONDAY NIGHT...Cloudy with chance of snow showers. Light winds
becoming southwest around 10 mph after midnight. Lows 11 to 18.

$$

ORZ062-503-210200-
Anthony Lakes Area 7000 to 9000 feet-
356 AM PST Sat Jan 20 2018

.TODAY...Cloudy with scattered snow showers. Snow accumulation up to
1 inch. West winds around 10 mph. Highs 15 to 22.
.TONIGHT...Mostly cloudy. Chance of snow showers in the evening.
Southwest winds around 10 mph. Gusts up to 25 mph after midnight.
Lows 9 to 16.
.SUNDAY...Mostly cloudy in the morning, then snow in the afternoon.
Snow accumulation up to 1 inch. South winds 10 to 20 mph with gusts
to 30 mph. Highs 19 to 26.
.SUNDAY NIGHT...Snow in the evening, then snow showers likely after
midnight. Snow accumulation around 1 inch. Southwest winds 10 to
20 mph. Gusts up to 30 mph in the evening. Lows 11 to 18.
.MONDAY...Mostly cloudy with chance of snow showers. West winds
around 10 mph. Highs 17 to 24.
.MONDAY NIGHT...Mostly cloudy with slight chance of snow showers.
Light winds. Lows 10 to 17.

$$

ORZ502-210200-
Blue Mountains 4000 to 6000 feet-
356 AM PST Sat Jan 20 2018

.TODAY...Cloudy with scattered snow showers. Snow accumulation up to
1 inch. Southwest winds 10 to 15 mph. Highs 24 to 31.
.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 16 to 23.
.SUNDAY...Mostly cloudy in the morning, then snow likely in the
afternoon. Snow accumulation up to 1 inch. South winds 10 to 20 mph
with gusts to 35 mph. Highs 24 to 31.
.SUNDAY NIGHT...Snow in the evening, then snow showers likely after
midnight. Snow accumulation up to 2 inches. South winds 15 to 20 mph
with gusts to 35 mph shifting to the southwest around 10 mph with
gusts to 25 mph after midnight. Lows 19 to 26.
.MONDAY...Cloudy in the morning then becoming mostly cloudy. 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, then chance of snow showers after midnight. Southwest winds
around 10 mph. Lows 17 to 24.

$$

ORZ509-210200-
Broken Top-
356 AM PST Sat Jan 20 2018

.TODAY...Numerous snow showers in the morning, then mostly cloudy
with scattered snow showers in the afternoon. Snow accumulation up
to 1 inch. Southwest winds 15 to 20 mph with gusts to 30 mph. Highs
18 to 25.
.TONIGHT...Mostly 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 40 mph. Lows 13 to 20.
.SUNDAY...Snow likely in the morning, then snow in the afternoon.
Snow accumulation of 1 to 3 inches. Southwest winds 20 to 30 mph
with gusts to 45 mph. Highs 23 to 30.
.SUNDAY NIGHT...Snow in the evening, then chance of snow showers
after midnight. Snow accumulation up to 2 inches. Southwest winds
20 to 30 mph with gusts to 40 mph decreasing to 15 to 20 mph with
gusts to 30 mph after midnight. Lows 14 to 21.
.MONDAY...Mostly cloudy in the morning then becoming cloudy. Chance
of snow showers. Southwest winds 10 to 15 mph. Gusts up to 30 mph in
the morning. Highs 20 to 27.
.MONDAY NIGHT...Cloudy with slight chance of snow showers. Southwest
winds around 10 mph. Lows 13 to 20.

$$

ORZ509-210200-
Tam McArthur Rim-
356 AM PST Sat Jan 20 2018

.TODAY...Cloudy in the morning then becoming mostly cloudy.
Scattered snow showers. Snow accumulation up to 1 inch. Southwest
winds 10 to 20 mph with gusts to 30 mph. Highs 19 to 26.
.TONIGHT...Mostly cloudy. Slight chance of snow showers in the
evening, then slight chance of snow after midnight. Southwest winds
15 to 25 mph with gusts to 40 mph. Lows 14 to 21.
.SUNDAY...Snow likely in the morning, then snow in the afternoon.
Snow accumulation of 1 to 3 inches. Southwest winds 20 to 30 mph
with gusts to 40 mph. Highs 23 to 30.
.SUNDAY NIGHT...Snow likely in the evening, then chance of snow
showers after midnight. Snow accumulation up to 2 inches. Southwest
winds 15 to 25 mph with gusts to 35 mph. Lows 14 to 21.
.MONDAY...Mostly cloudy in the morning then becoming cloudy. Chance
of snow showers. Southwest winds 10 to 15 mph. Highs 20 to 27.
.MONDAY NIGHT...Cloudy with slight chance of snow showers. Southwest
winds around 10 mph. Lows 13 to 20.

$$

ORZ509-210200-
Newberry Crater-
356 AM PST Sat Jan 20 2018

.TODAY...Cloudy with scattered snow showers in the morning, then
mostly cloudy in the afternoon. West winds 10 to 15 mph. Highs 21 to
28.
.TONIGHT...Mostly cloudy. Southwest winds 10 to 15 mph shifting to
the south 15 to 25 mph after midnight. Gusts up to 35 mph. Lows
15 to 22.
.SUNDAY...Chance of snow in the morning, then snow likely in the
afternoon. Snow accumulation up to 1 inch. Southwest winds 20 to
30 mph with gusts to 45 mph. Highs 24 to 31.
.SUNDAY NIGHT...Snow likely in the evening, then snow showers likely
after midnight. Snow accumulation up to 1 inch. Southwest winds
15 to 25 mph with gusts to 40 mph decreasing to 10 to 15 mph with
gusts to 30 mph after midnight. Lows 15 to 22.
.MONDAY...Mostly cloudy. Chance of snow showers in the morning, then
slight chance of snow showers in the afternoon. Southwest winds
10 to 15 mph. Highs 24 to 31.
.MONDAY NIGHT...Mostly cloudy. Southwest winds around 10 mph. Lows
15 to 22.

$$


http://weather.gov/pendleton



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