Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 242156
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
256 PM PDT Mon Apr 24 2017

ORZ050-251300-
Wallowa Mountains 8000 to 9000 feet-
256 PM PDT Mon Apr 24 2017

.TONIGHT...Widespread snow showers and slight chance of
thunderstorms in the evening, then widespread snow showers after
midnight. Snow accumulation of 1 to 3 inches. Northwest winds around
10 mph. Lows 18 to 25.
.TUESDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow showers. Northwest winds around 10 mph in the morning
becoming light. Highs 29 to 36.
.TUESDAY NIGHT...Snow likely in the evening, then snow after
midnight. Snow accumulation up to 1 inch. Southwest winds around
10 mph. Lows 22 to 29.
.WEDNESDAY...Snow showers. Snow accumulation of 2 to 3 inches.
Southwest winds around 10 mph shifting to the west 15 to 20 mph with
gusts to 35 mph in the afternoon. Highs 27 to 34.
.WEDNESDAY NIGHT...Snow showers likely. Snow accumulation around
1 inch. Northwest winds 15 to 25 mph with gusts to 35 mph. Lows
15 to 22.
.THURSDAY...Snow showers likely. Snow accumulation around 1 inch.
Northwest winds 10 to 15 mph. Gusts up to 30 mph in the morning.
Highs 23 to 30.

$$

ORZ050-251300-
Salt Creek Area 5000 to 7000 feet-
256 PM PDT Mon Apr 24 2017

.TONIGHT...Widespread showers, snow showers and slight chance of
thunderstorms in the evening, then widespread snow showers after
midnight. Snow accumulation up to 2 inches. Light winds becoming
northwest around 10 mph after midnight. Lows 22 to 29.
.TUESDAY...Cloudy with chance of snow showers in the morning, then
mostly cloudy with chance of showers and snow showers in the
afternoon. Northwest winds around 10 mph in the morning becoming
light. Highs 36 to 43.
.TUESDAY NIGHT...Rain likely. Southwest winds around 10 mph in the
evening becoming light. Lows 27 to 34.
.WEDNESDAY...Snow showers and showers. Snow accumulation up to
2 inches. South winds 10 to 15 mph. Highs 36 to 43.
.WEDNESDAY NIGHT...Snow showers likely in the evening, then chance
of snow showers after midnight. Snow accumulation up to 1 inch. West
winds 10 to 15 mph with gusts to 30 mph in the evening becoming
light. Lows 19 to 26.
.THURSDAY...Snow showers likely. Snow accumulation around 1 inch.
Light winds becoming northwest around 10 mph in the afternoon. Highs
30 to 37.

$$

ORZ050-062-251300-
Clear Creek Area 6000 to 8000 feet-
256 PM PDT Mon Apr 24 2017

.TONIGHT...Widespread snow showers and slight chance of
thunderstorms in the evening, then numerous snow showers after
midnight. Snow accumulation up to 2 inches. Northwest winds around
10 mph. Lows 20 to 27.
.TUESDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow showers. Northwest winds around 10 mph in the morning
becoming light. Highs 32 to 39.
.TUESDAY NIGHT...Snow likely. Snow accumulation up to 1 inch.
Southwest winds 10 to 15 mph. Lows 25 to 32.
.WEDNESDAY...Snow showers. Snow accumulation of 2 to 3 inches.
Southwest winds 10 to 15 mph. Highs 30 to 37.
.WEDNESDAY NIGHT...Snow showers likely in the evening, then chance
of snow showers after midnight. Snow accumulation up to 1 inch.
Northwest winds 10 to 20 mph. Gusts up to 35 mph in the evening.
Lows 17 to 24.
.THURSDAY...Snow showers likely. Snow accumulation around 1 inch.
Northwest winds 10 to 15 mph. Highs 27 to 34.

$$

ORZ050-062-251300-
Catherine Creek Area 6000 to 8000 feet-
256 PM PDT Mon Apr 24 2017

.TONIGHT...Widespread snow showers and slight chance of
thunderstorms in the evening, then widespread snow showers after
midnight. Snow accumulation of 1 to 2 inches. Northwest winds 10 to
15 mph. Lows 22 to 29.
.TUESDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow showers. Northwest winds around 10 mph in the morning
becoming light. Highs 35 to 42.
.TUESDAY NIGHT...Snow likely in the evening, then snow after
midnight. Snow accumulation up to 1 inch. Southwest winds around
10 mph. Lows 26 to 33.
.WEDNESDAY...Snow showers. Snow accumulation of 2 to 4 inches.
Southwest winds around 10 mph increasing to 15 to 20 mph with gusts
to 35 mph in the afternoon. Highs 32 to 39.
.WEDNESDAY NIGHT...Snow showers likely. Snow accumulation around
1 inch. Northwest winds 15 to 25 mph with gusts to 40 mph. Lows
19 to 26.
.THURSDAY...Snow showers likely. Snow accumulation around 1 inch.
Northwest winds 10 to 20 mph. Gusts up to 30 mph in the morning.
Highs 26 to 33.

$$

ORZ050-062-251300-
Norway Area 7000 to 10000 feet-
256 PM PDT Mon Apr 24 2017

.TONIGHT...Widespread snow showers and slight chance of
thunderstorms in the evening, then numerous snow showers after
midnight. Snow accumulation up to 2 inches. Northwest winds 10 to
15 mph. Lows 19 to 26.
.TUESDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow showers. Northwest winds around 10 mph in the morning
becoming light. Highs 30 to 37.
.TUESDAY NIGHT...Snow likely in the evening, then snow after
midnight. Snow accumulation up to 1 inch. West winds 10 to 15 mph.
Lows 24 to 31.
.WEDNESDAY...Snow showers. Snow accumulation of 2 to 3 inches.
Southwest winds around 10 mph increasing to 15 to 20 mph with gusts
to 30 mph in the afternoon. Highs 28 to 35.
.WEDNESDAY NIGHT...Snow showers likely. Snow accumulation around
1 inch. Northwest winds 15 to 25 mph with gusts to 40 mph. Lows
16 to 23.
.THURSDAY...Snow showers likely. Snow accumulation around 1 inch.
Northwest winds 10 to 15 mph. Gusts up to 30 mph in the morning.
Highs 25 to 32.

$$

ORZ062-503-251300-
Anthony Lakes Area 7000 to 9000 feet-
256 PM PDT Mon Apr 24 2017

.TONIGHT...Widespread snow showers and slight chance of
thunderstorms in the evening, then numerous snow showers after
midnight. Snow accumulation of 1 to 2 inches. West winds 15 to
20 mph. Lows 16 to 23.
.TUESDAY...Cloudy with chance of snow showers in the morning, then
mostly cloudy with slight chance of snow showers in the afternoon.
Northwest winds 10 to 15 mph in the morning becoming light. Highs
28 to 35.
.TUESDAY NIGHT...Snow likely in the evening, then snow after
midnight. Snow accumulation of 1 to 2 inches. West winds around
10 mph increasing to southwest 15 to 25 mph with gusts to 40 mph
after midnight. Lows 25 to 32.
.WEDNESDAY...Snow showers. Snow accumulation of 1 to 4 inches. West
winds 15 to 25 mph with gusts to 35 mph. Highs 26 to 33.
.WEDNESDAY NIGHT...Mostly cloudy with chance of snow showers. Snow
accumulation up to 1 inch. West winds 20 to 30 mph with gusts to
40 mph. Lows 13 to 20.
.THURSDAY...Snow showers likely. Snow accumulation around 1 inch.
Northwest winds 15 to 25 mph. Gusts up to 40 mph decreasing to
30 mph in the afternoon. Highs 28 to 35.

$$

ORZ502-251300-
Blue Mountains 4000 to 6000 feet-
256 PM PDT Mon Apr 24 2017

.TONIGHT...Widespread showers and slight chance of thunderstorms in
the evening, then widespread snow showers and showers after
midnight. Snow accumulation up to 2 inches. West winds 10 to 15 mph.
Lows 27 to 34.
.TUESDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow showers and showers. West winds around 10 mph. Highs 41 to
48.
.TUESDAY NIGHT...Rain likely in the evening, then rain after
midnight. Southwest winds 10 to 15 mph. Gusts up to 25 mph after
midnight. Lows 29 to 36.
.WEDNESDAY...Showers. Southwest winds 10 to 20 mph. Gusts up to
35 mph in the afternoon. Highs 37 to 44.
.WEDNESDAY NIGHT...Snow showers likely and chance of showers in the
evening, then snow showers likely after midnight. Snow accumulation
up to 2 inches. West winds 20 to 30 mph with gusts to 45 mph. Lows
25 to 32.
.THURSDAY...Snow showers likely. Snow accumulation up to 1 inch.
West winds 15 to 25 mph. Gusts up to 40 mph decreasing to 30 mph in
the afternoon. Highs 33 to 40.

$$

ORZ509-251300-
Broken Top-
256 PM PDT Mon Apr 24 2017

.TONIGHT...Widespread snow showers in the evening, then scattered
snow showers after midnight. Snow accumulation up to 3 inches. West
winds 20 to 30 mph decreasing to 10 to 15 mph after midnight. Lows
18 to 25.
.TUESDAY...Mostly cloudy with chance of snow showers in the morning,
then snow showers likely in the afternoon. Snow accumulation up to
1 inch. West winds 10 to 15 mph. Highs 27 to 34.
.TUESDAY NIGHT...Snow. Snow accumulation up to 2 inches. Southwest
winds 15 to 25 mph with gusts to 35 mph. Lows 25 to 32.
.WEDNESDAY...Snow showers in the morning, then snow showers likely
in the afternoon. Snow accumulation of 1 to 5 inches. West winds
20 to 30 mph with gusts to 45 mph. Highs 25 to 32.
.WEDNESDAY NIGHT...Mostly cloudy with chance of snow showers. West
winds 20 to 30 mph with gusts to 45 mph. Lows 13 to 20.
.THURSDAY...Snow showers likely. Snow accumulation around 1 inch.
West winds 15 to 25 mph with gusts to 35 mph. Highs 28 to 35.

$$

ORZ509-251300-
Tam McArthur Rim-
256 PM PDT Mon Apr 24 2017

.TONIGHT...Widespread snow showers in the evening, then scattered
snow showers after midnight. Snow accumulation up to 2 inches. West
winds 20 to 30 mph decreasing to 10 to 15 mph after midnight. Lows
18 to 25.
.TUESDAY...Mostly cloudy with slight chance of snow showers in the
morning, then snow showers likely in the afternoon. Snow
accumulation up to 1 inch. Southwest winds 10 to 15 mph. Highs 27 to
34.
.TUESDAY NIGHT...Snow. Snow accumulation of 1 to 2 inches. Southwest
winds 15 to 25 mph. Gusts up to 35 mph after midnight. Lows 26 to
33.
.WEDNESDAY...Snow showers in the morning, then snow showers likely
in the afternoon. Snow accumulation of 1 to 4 inches. West winds
20 to 30 mph with gusts to 45 mph. Highs 26 to 33.
.WEDNESDAY NIGHT...Mostly cloudy with chance of snow showers. West
winds 20 to 30 mph with gusts to 45 mph. Lows 14 to 21.
.THURSDAY...Snow showers likely. Snow accumulation around 1 inch.
West winds 15 to 25 mph with gusts to 35 mph. Highs 28 to 35.

$$

ORZ509-251300-
Newberry Crater-
256 PM PDT Mon Apr 24 2017

.TONIGHT...Numerous snow showers in the evening. Snow accumulation
up to 1 inch. West winds 20 to 30 mph. Lows 19 to 26.
.TUESDAY...Mostly cloudy in the morning, then cloudy with chance of
snow showers in the afternoon. West winds 10 to 15 mph. Highs 34 to
41.
.TUESDAY NIGHT...Snow likely in the evening, then snow and rain
likely after midnight. Snow accumulation up to 1 inch. Southwest
winds 10 to 20 mph. Gusts up to 30 mph after midnight. Lows 26 to
33.
.WEDNESDAY...Showers likely in the morning, then chance of snow
showers in the afternoon. Snow accumulation up to 2 inches.
Southwest winds 15 to 25 mph increasing to west 25 to 35 mph in the
afternoon. Gusts up to 45 mph. Highs 34 to 41.
.WEDNESDAY NIGHT...Mostly cloudy. Slight chance of snow showers in
the evening. West winds 25 to 35 mph with gusts to 45 mph decreasing
to 15 to 25 mph with gusts to 35 mph after midnight. Lows 17 to 24.
.THURSDAY...Cloudy with chance of snow showers. Snow accumulation up
to 1 inch. Northwest winds 10 to 20 mph with gusts to 30 mph. Highs
30 to 37.

$$


http://weather.gov/pendleton



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