Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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000
FWUS46 KPDT 192156
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
256 PM PDT Thu Oct 19 2017

ORZ050-201300-
Wallowa Mountains 8000 to 9000 feet-
256 PM PDT Thu Oct 19 2017

.TONIGHT...Widespread rain and snow. Snow accumulation up to
5 inches. South winds 25 to 35 mph with gusts to 45 mph becoming
west 10 to 15 mph with gusts to 35 mph after midnight. Lows 17 to
24.
.FRIDAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 1 to 2 inches. West winds 10 to 15 mph with
gusts to 25 mph. Highs 20 to 27.
.FRIDAY NIGHT...Snow likely in the evening, then chance of snow
after midnight. Snow accumulation up to 1 inch. West winds 10 to
20 mph with gusts to 30 mph. Lows 12 to 19.
.SATURDAY...Snow. Snow accumulation of 2 to 5 inches. Southwest
winds 10 to 20 mph. Gusts up to 30 mph in the afternoon. Highs 28 to
34.
.SATURDAY NIGHT...Snow. Snow accumulation of 2 to 4 inches.
Southwest winds 20 to 30 mph with gusts to 55 mph. Lows 22 to 29.
.SUNDAY...Rain and snow. Snow accumulation up to 3 inches. Southwest
winds 25 to 35 mph with gusts to 45 mph decreasing to 15 to 25 mph
with gusts to 35 mph in the afternoon. Highs 28 to 35.

$$

ORZ050-201300-
Salt Creek Area 5000 to 7000 feet-
256 PM PDT Thu Oct 19 2017

.TONIGHT...Rain likely in the evening, then widespread rain after
midnight. South winds 15 to 20 mph in the evening becoming light.
Gusts up to 30 mph. Lows 27 to 34.
.FRIDAY...Snow in the morning, then snow showers likely in the
afternoon. Snow accumulation of 1 to 2 inches. West winds up to
10 mph in the morning becoming light. Highs 30 to 37.
.FRIDAY NIGHT...Mostly cloudy with chance of snow. Snow accumulation
up to 1 inch. Light winds. Lows 20 to 27.
.SATURDAY...Snow likely in the morning, then snow in the afternoon.
Snow accumulation of 1 to 4 inches. South winds 10 to 15 mph. Highs
27 to 34.
.SATURDAY NIGHT...Rain and snow in the evening, then rain likely
after midnight. Snow accumulation up to 3 inches. South winds 10 to
15 mph. Lows 27 to 34.
.SUNDAY...Rain likely. South winds 10 to 20 mph with gusts to
30 mph. Highs 36 to 43.

$$

ORZ050-062-201300-
Clear Creek Area 6000 to 8000 feet-
256 PM PDT Thu Oct 19 2017

.TONIGHT...Chance of rain in the evening, then rain and snow after
midnight. Snow accumulation up to 3 inches. South winds 15 to 25 mph
becoming west around 10 mph after midnight. Gusts up to 35 mph. Lows
24 to 31.
.FRIDAY...Snow showers. Snow accumulation of 1 to 2 inches. West
winds around 10 mph. Highs 27 to 34.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers in the
evening, then chance of snow after midnight. Snow accumulation up to
1 inch. West winds up to 10 mph. Lows 17 to 24.
.SATURDAY...Snow likely in the morning, then snow in the afternoon.
Snow accumulation of 1 to 5 inches. Light winds becoming south 10 to
15 mph in the afternoon. Highs 25 to 32.
.SATURDAY NIGHT...Snow. Snow accumulation of 2 to 4 inches.
Southwest winds 10 to 20 mph with gusts to 30 mph. Lows 24 to 31.
.SUNDAY...Rain likely. South winds 10 to 20 mph with gusts to
30 mph. Highs 34 to 41.

$$

ORZ050-062-201300-
Catherine Creek Area 6000 to 8000 feet-
256 PM PDT Thu Oct 19 2017

.TONIGHT...Widespread rain. South winds 20 to 30 mph with gusts to
40 mph becoming west 10 to 15 mph with gusts to 30 mph after
midnight. Lows 23 to 30.
.FRIDAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 1 to 2 inches. West winds 10 to 15 mph. Highs
27 to 34.
.FRIDAY NIGHT...Snow likely in the evening, then chance of snow
after midnight. Snow accumulation up to 1 inch. West winds 10 to
15 mph. Gusts up to 25 mph in the evening. Lows 17 to 24.
.SATURDAY...Snow. Snow accumulation of 1 to 5 inches. South winds
10 to 15 mph. Gusts up to 25 mph in the afternoon. Highs 26 to 33.
.SATURDAY NIGHT...Snow in the evening, then snow and rain after
midnight. Snow accumulation up to 4 inches. Southwest winds 10 to
20 mph with gusts to 35 mph. Lows 25 to 32.
.SUNDAY...Rain likely in the morning, then rain in the afternoon.
Southwest winds 10 to 20 mph with gusts to 30 mph. Highs 33 to 40.

$$

ORZ050-062-201300-
Norway Area 7000 to 10000 feet-
256 PM PDT Thu Oct 19 2017

.TONIGHT...Chance of rain and snow in the evening, then snow and
widespread rain after midnight. Snow accumulation up to 3 inches.
South winds 20 to 30 mph with gusts to 45 mph becoming west around
10 mph with gusts to 35 mph after midnight. Lows 21 to 28.
.FRIDAY...Snow showers. Snow accumulation of 1 to 2 inches. West
winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Highs 24 to
31.
.FRIDAY NIGHT...Snow showers likely in the evening, then slight
chance of snow after midnight. Snow accumulation up to 1 inch. West
winds 10 to 15 mph. Gusts up to 25 mph in the evening. Lows 15 to
22.
.SATURDAY...Snow likely in the morning, then snow in the afternoon.
Snow accumulation of 1 to 6 inches. South winds 10 to 15 mph. Gusts
up to 25 mph in the afternoon. Highs 24 to 31.
.SATURDAY NIGHT...Snow. Snow accumulation of 2 to 4 inches.
Southwest winds 15 to 25 mph with gusts to 40 mph. Lows 22 to 29.
.SUNDAY...Rain and snow likely. Snow accumulation up to 3 inches.
Southwest winds 15 to 25 mph with gusts to 35 mph. Highs 31 to 38.

$$

ORZ062-503-201300-
Anthony Lakes Area 7000 to 9000 feet-
256 PM PDT Thu Oct 19 2017

.TONIGHT...Rain likely and snow in the evening, then snow after
midnight. Snow accumulation up to 3 inches. Southwest winds 15 to
25 mph with gusts to 35 mph. Lows 18 to 25.
.FRIDAY...Snow showers likely. Snow accumulation of 1 to 2 inches.
West winds 15 to 25 mph. Highs 22 to 29.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers in the
evening, then chance of snow after midnight. Snow accumulation up to
1 inch. West winds 15 to 25 mph decreasing to 10 to 15 mph after
midnight. Lows 15 to 22.
.SATURDAY...Snow. Snow accumulation of 2 to 5 inches. Southwest
winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Highs 27 to
34.
.SATURDAY NIGHT...Snow and rain. Snow accumulation up to 3 inches.
Southwest winds 20 to 30 mph with gusts to 45 mph. Lows 25 to 32.
.SUNDAY...Rain in the morning, then rain likely in the afternoon.
Southwest winds 20 to 30 mph with gusts to 40 mph. Highs 33 to 40.

$$

ORZ502-201300-
Blue Mountains 4000 to 6000 feet-
256 PM PDT Thu Oct 19 2017

.TONIGHT...Widespread rain. West winds up to 10 mph. Gusts up to
25 mph after midnight. Lows 28 to 35.
.FRIDAY...Snow with rain likely in the morning, then showers and
snow showers likely in the afternoon. Snow accumulation up to
2 inches. West winds 10 to 15 mph with gusts to 30 mph. Highs 36 to
42.
.FRIDAY NIGHT...Mostly cloudy. Chance of rain and snow in the
evening, then chance of snow after midnight. Snow accumulation up to
1 inch. West winds around 10 mph with gusts to 30 mph. Lows 24 to
31.
.SATURDAY...Snow in the morning, then snow and rain in the
afternoon. Snow accumulation up to 5 inches. South winds up to
10 mph in the morning becoming light. Highs 31 to 38.
.SATURDAY NIGHT...Rain. Southwest winds 20 to 30 mph with gusts to
50 mph. Lows 31 to 38.
.SUNDAY...Rain. Southwest winds 15 to 25 mph with gusts to 45 mph.
Highs 40 to 47.

$$

ORZ509-201300-
Broken Top-
256 PM PDT Thu Oct 19 2017

.TONIGHT...Widespread snow and rain in the evening, then widespread
snow after midnight. Snow accumulation up to 5 inches. Southwest
winds 20 to 30 mph with gusts to 45 mph. Lows 17 to 24.
.FRIDAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 2 to 4 inches. West winds 20 to 30 mph with
gusts to 40 mph. Highs 21 to 28.
.FRIDAY NIGHT...Snow. Snow accumulation of 1 to 3 inches. Southwest
winds 15 to 25 mph. Gusts up to 35 mph in the evening. Lows 16 to
23.
.SATURDAY...Snow in the morning, then rain in the afternoon. Snow
accumulation up to 7 inches. Southwest winds 15 to 25 mph with gusts
to 35 mph increasing to 30 to 40 mph with gusts to 55 mph in the
afternoon. Highs 32 to 39.
.SATURDAY NIGHT...Rain likely in the evening, then chance of rain
after midnight. Southwest winds 35 to 50 mph with gusts to 70 mph.
Lows 28 to 35.
.SUNDAY...Rain likely. Southwest winds 20 to 35 mph with gusts to
50 mph. Highs 37 to 44.

$$

ORZ509-201300-
Tam McArthur Rim-
256 PM PDT Thu Oct 19 2017

.TONIGHT...Widespread rain and snow in the evening, then widespread
snow after midnight. Snow accumulation up to 5 inches. Southwest
winds 20 to 30 mph with gusts to 40 mph. Lows 18 to 25.
.FRIDAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 2 to 3 inches. West winds 15 to 25 mph with
gusts to 35 mph. Highs 22 to 29.
.FRIDAY NIGHT...Snow. Snow accumulation of 1 to 3 inches. West winds
15 to 25 mph shifting to the southwest 10 to 15 mph after midnight.
Lows 17 to 24.
.SATURDAY...Snow in the morning, then rain in the afternoon. Snow
accumulation up to 6 inches. Southwest winds 10 to 20 mph with gusts
to 30 mph increasing to 25 to 35 mph with gusts to 50 mph in the
afternoon. Highs 32 to 39.
.SATURDAY NIGHT...Rain likely in the evening, then chance of rain
after midnight. Southwest winds 35 to 50 mph with gusts to 70 mph.
Lows 29 to 36.
.SUNDAY...Rain likely. Southwest winds 20 to 30 mph with gusts to
45 mph. Highs 38 to 45.

$$

ORZ509-201300-
Newberry Crater-
256 PM PDT Thu Oct 19 2017

.TONIGHT...Widespread rain in the evening, then snow likely after
midnight. Snow accumulation up to 1 inch. Southwest winds 20 to
30 mph with gusts to 40 mph. Lows 21 to 28.
.FRIDAY...Snow likely in the morning, then snow showers likely in
the afternoon. Snow accumulation around 1 inch. West winds 15 to
25 mph with gusts to 40 mph. Highs 26 to 33.
.FRIDAY NIGHT...Chance of snow in the evening, then snow likely
after midnight. Snow accumulation up to 2 inches. Southwest winds
15 to 25 mph. Lows 18 to 25.
.SATURDAY...Snow in the morning, then rain in the afternoon. Snow
accumulation up to 3 inches. Southwest winds 15 to 25 mph with gusts
to 35 mph increasing to 30 to 40 mph with gusts to 55 mph in the
afternoon. Highs 35 to 42.
.SATURDAY NIGHT...Cloudy with chance of rain. Southwest winds 30 to
40 mph with gusts to 60 mph. Lows 30 to 37.
.SUNDAY...Mostly cloudy with chance of rain. Southwest winds 20 to
30 mph with gusts to 40 mph. Highs 41 to 48.

$$


http://weather.gov/pendleton



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