Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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000
FWUS46 KPDT 181056
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
356 AM PDT Wed Oct 18 2017

ORZ050-190100-
Wallowa Mountains 8000 to 9000 feet-
356 AM PDT Wed Oct 18 2017

.TODAY...Mostly cloudy in the morning, then cloudy with slight
chance of rain and snow in the afternoon. Southwest winds 10 to
20 mph. Highs 39 to 46.
.TONIGHT...Partly cloudy in the evening then clearing. Southwest
winds 15 to 25 mph with gusts to 35 mph. Lows 30 to 37.
.THURSDAY...Partly cloudy. South winds 15 to 25 mph with gusts to
35 mph. Highs 42 to 49.
.THURSDAY NIGHT...Snow and rain in the evening, then snow after
midnight. Snow accumulation around 2 inches. Southwest winds 15 to
25 mph with gusts to 35 mph. Lows 20 to 27.
.FRIDAY...Snow showers likely in the morning, then snow showers in
the afternoon. Snow accumulation around 1 inch. West winds 15 to
20 mph with gusts to 30 mph. Highs 22 to 29.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers in the
evening. Snow accumulation up to 1 inch. West winds 10 to 15 mph.
Gusts up to 25 mph in the evening. Lows 16 to 23.

$$

ORZ050-190100-
Salt Creek Area 5000 to 7000 feet-
356 AM PDT Wed Oct 18 2017

.TODAY...Mostly cloudy. South winds 10 to 15 mph. Gusts up to 25 mph
in the afternoon. Highs 46 to 53.
.TONIGHT...Partly cloudy in the evening then clearing. South winds
10 to 15 mph. Lows 31 to 38.
.THURSDAY...Sunny in the morning then becoming partly cloudy. South
winds 10 to 20 mph. Highs 48 to 55.
.THURSDAY NIGHT...Rain likely in the evening, then rain after
midnight. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the
evening. Lows 27 to 34.
.FRIDAY...Snow showers likely and chance of showers in the morning,
then snow showers likely in the afternoon. Snow accumulation up to
1 inch. West winds around 10 mph. Highs 32 to 39.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers in the
evening. Southwest winds around 10 mph in the evening becoming
light. Lows 20 to 27.

$$

ORZ050-062-190100-
Clear Creek Area 6000 to 8000 feet-
356 AM PDT Wed Oct 18 2017

.TODAY...Mostly cloudy. South winds 10 to 15 mph. Highs 42 to 49.
.TONIGHT...Partly cloudy in the evening then clearing. South winds
10 to 15 mph. Lows 30 to 37.
.THURSDAY...Sunny in the morning then becoming partly cloudy. South
winds 10 to 20 mph. Gusts up to 30 mph in the afternoon. Highs 44 to
51.
.THURSDAY NIGHT...Rain in the evening, then rain and snow after
midnight. Snow accumulation up to 2 inches. Southwest winds 10 to
20 mph with gusts to 30 mph. Lows 23 to 30.
.FRIDAY...Snow showers. Snow accumulation up to 1 inch. West winds
10 to 15 mph. Highs 27 to 34.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers in the
evening. Little or no snow accumulation. Southwest winds 10 to
15 mph. Lows 18 to 25.

$$

ORZ050-062-190100-
Catherine Creek Area 6000 to 8000 feet-
356 AM PDT Wed Oct 18 2017

.TODAY...Mostly cloudy. South winds 10 to 15 mph. Highs 44 to 51.
.TONIGHT...Partly cloudy in the evening then clearing. South winds
10 to 15 mph with gusts to 25 mph. Lows 33 to 40.
.THURSDAY...Partly cloudy in the morning then becoming mostly
cloudy. South winds 10 to 20 mph. Gusts up to 30 mph in the
afternoon. Highs 47 to 54.
.THURSDAY NIGHT...Rain in the evening, then snow and rain after
midnight. Snow accumulation up to 2 inches. West winds 10 to 20 mph.
Gusts up to 30 mph in the evening. Lows 25 to 32.
.FRIDAY...Snow showers likely in the morning, then snow showers in
the afternoon. Snow accumulation around 1 inch. West winds 10 to
15 mph. Gusts up to 25 mph in the afternoon. Highs 28 to 35.
.FRIDAY NIGHT...Snow showers likely in the evening. Snow
accumulation up to 1 inch. West winds 10 to 15 mph. Gusts up to
25 mph in the evening. Lows 21 to 28.

$$

ORZ050-062-190100-
Norway Area 7000 to 10000 feet-
356 AM PDT Wed Oct 18 2017

.TODAY...Mostly cloudy. Southwest winds 10 to 15 mph. Gusts up to
25 mph in the afternoon. Highs 40 to 47.
.TONIGHT...Partly cloudy in the evening then clearing. South winds
15 to 20 mph with gusts to 30 mph. Lows 30 to 37.
.THURSDAY...Sunny in the morning then becoming mostly cloudy. South
winds 15 to 25 mph. Gusts up to 35 mph in the afternoon. Highs 43 to
50.
.THURSDAY NIGHT...Rain and snow. Snow accumulation up to 2 inches.
Southwest winds 15 to 25 mph with gusts to 35 mph. Lows 22 to 29.
.FRIDAY...Snow showers. Snow accumulation around 1 inch. West winds
10 to 15 mph with gusts to 25 mph. Highs 25 to 32.
.FRIDAY NIGHT...Snow showers likely in the evening. Snow
accumulation up to 1 inch. West winds 10 to 15 mph. Gusts up to
25 mph in the evening. Lows 17 to 24.

$$

ORZ062-503-190100-
Anthony Lakes Area 7000 to 9000 feet-
356 AM PDT Wed Oct 18 2017

.TODAY...Mostly cloudy. Southwest winds 10 to 15 mph. Gusts up to
25 mph in the morning. Highs 44 to 51.
.TONIGHT...Partly cloudy in the evening then clearing. Southwest
winds 10 to 20 mph. Lows 30 to 37.
.THURSDAY...Partly cloudy in the morning, then mostly cloudy with
slight chance of rain and snow in the afternoon. South winds 10 to
20 mph with gusts to 30 mph. Highs 41 to 48.
.THURSDAY NIGHT...Snow and rain in the evening, then snow after
midnight. Snow accumulation of 1 to 2 inches. Southwest winds 10 to
20 mph with gusts to 30 mph. Lows 19 to 26.
.FRIDAY...Snow showers likely in the morning, then snow showers in
the afternoon. Snow accumulation up to 1 inch. West winds 15 to
25 mph. Highs 22 to 29.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers in the
evening. Little or no snow accumulation. West winds 10 to 20 mph.
Gusts up to 30 mph in the evening. Lows 16 to 23.

$$

ORZ502-190100-
Blue Mountains 4000 to 6000 feet-
356 AM PDT Wed Oct 18 2017

.TODAY...Cloudy with chance of rain. Southwest winds 10 to 15 mph.
Gusts up to 25 mph in the afternoon. Highs 54 to 60.
.TONIGHT...Mostly cloudy in the evening then clearing. Southwest
winds 10 to 15 mph with gusts to 25 mph. Lows 34 to 41.
.THURSDAY...Mostly cloudy. Chance of rain in the afternoon.
Southwest winds 10 to 15 mph. Gusts up to 25 mph in the morning.
Highs 55 to 61.
.THURSDAY NIGHT...Rain in the evening, then rain and snow after
midnight. Snow accumulation up to 2 inches. Southwest winds 10 to
15 mph with gusts to 30 mph. Lows 28 to 35.
.FRIDAY...Chance of snow showers and showers in the morning, then
snow showers and showers likely in the afternoon. Snow accumulation
up to 1 inch. West winds 10 to 15 mph increasing to 15 to 25 mph in
the afternoon. Gusts up to 35 mph. Highs 33 to 40.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers and showers in
the evening. West winds 15 to 25 mph with gusts to 35 mph shifting
to the southwest 10 to 15 mph with gusts to 25 mph after midnight.
Lows 24 to 31.

$$

ORZ509-190100-
Broken Top-
356 AM PDT Wed Oct 18 2017

.TODAY...Mostly cloudy. Southwest winds 15 to 20 mph with gusts to
30 mph. Highs 44 to 51.
.TONIGHT...Partly cloudy. Southwest winds 20 to 30 mph. Gusts up to
35 mph increasing to 45 mph after midnight. Lows 28 to 35.
.THURSDAY...Rain. Southwest winds 20 to 30 mph with gusts to 45 mph.
Highs 34 to 41.
.THURSDAY NIGHT...Snow in the evening, then snow showers after
midnight. Snow accumulation of 2 to 4 inches. Southwest winds 20 to
30 mph with gusts to 40 mph. Lows 18 to 25.
.FRIDAY...Snow showers. Snow accumulation of 1 to 2 inches.
Southwest winds 15 to 25 mph with gusts to 40 mph. Highs 21 to 28.
.FRIDAY NIGHT...Chance of snow showers in the evening, then snow
after midnight. Snow accumulation up to 2 inches. Southwest winds
10 to 20 mph with gusts to 30 mph. Lows 18 to 25.

$$

ORZ509-190100-
Tam McArthur Rim-
356 AM PDT Wed Oct 18 2017

.TODAY...Mostly cloudy. Southwest winds 10 to 20 mph with gusts to
30 mph. Highs 45 to 52.
.TONIGHT...Partly cloudy. Southwest winds 20 to 30 mph. Gusts up to
40 mph after midnight. Lows 29 to 36.
.THURSDAY...Rain likely in the morning, then rain in the afternoon.
Southwest winds 20 to 30 mph. Gusts up to 45 mph decreasing to
35 mph in the afternoon. Highs 35 to 42.
.THURSDAY NIGHT...Snow in the evening, then snow showers after
midnight. Snow accumulation of 2 to 4 inches. Southwest winds 15 to
25 mph with gusts to 40 mph. Lows 19 to 26.
.FRIDAY...Snow showers. Snow accumulation of 1 to 2 inches.
Southwest winds 15 to 25 mph with gusts to 35 mph. Highs 22 to 29.
.FRIDAY NIGHT...Chance of snow showers in the evening, then snow
after midnight. Snow accumulation up to 2 inches. Southwest winds
10 to 20 mph with gusts to 30 mph. Lows 18 to 25.

$$

ORZ509-190100-
Newberry Crater-
356 AM PDT Wed Oct 18 2017

.TODAY...Partly cloudy in the morning then clearing. Southwest winds
15 to 20 mph with gusts to 30 mph. Highs 51 to 58.
.TONIGHT...Clear. Southwest winds 15 to 25 mph with gusts to 35 mph.
Lows 30 to 37.
.THURSDAY...Mostly cloudy with slight chance of rain in the morning,
then rain in the afternoon. Southwest winds 20 to 30 mph with gusts
to 45 mph. Highs 41 to 48.
.THURSDAY NIGHT...Rain and snow in the evening, then snow showers
likely after midnight. Snow accumulation up to 3 inches. Southwest
winds 20 to 30 mph with gusts to 40 mph. Lows 22 to 29.
.FRIDAY...Cloudy with chance of snow showers. Snow accumulation up
to 1 inch. West winds 15 to 25 mph with gusts to 40 mph. Highs 28 to
35.
.FRIDAY NIGHT...Mostly cloudy. Slight chance of snow showers in the
evening, then chance of snow after midnight. Southwest winds 10 to
20 mph with gusts to 30 mph. Lows 21 to 28.

$$


http://weather.gov/pendleton



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