Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 202156
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
256 PM PDT Fri Apr 20 2018

ORZ050-211300-
Wallowa Mountains 8000 to 9000 feet-
256 PM PDT Fri Apr 20 2018

.TONIGHT...Partly cloudy in the evening, then mostly cloudy with
isolated snow showers after midnight. Light winds becoming west
around 10 mph after midnight. Lows 21 to 28.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. West winds around 10 mph. Highs 32 to 39.
.SATURDAY NIGHT...Clear in the evening then becoming partly cloudy.
Northwest winds around 10 mph. Lows 11 to 18.
.SUNDAY...Partly cloudy. North winds around 10 mph. Highs 34 to 41.
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. North winds 10 to 15 mph. Lows 12 to 19.
.MONDAY...Partly cloudy in the morning then becoming sunny. North
winds 10 to 15 mph. Highs 34 to 41.

$$

ORZ050-211300-
Salt Creek Area 5000 to 7000 feet-
256 PM PDT Fri Apr 20 2018

.TONIGHT...Partly cloudy in the evening then becoming mostly cloudy.
Light winds. Lows 28 to 35.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Light winds becoming north around 10 mph in the afternoon.
Highs 41 to 48.
.SATURDAY NIGHT...Clear. Northwest winds around 10 mph. Lows 17 to
24.
.SUNDAY...Sunny in the morning then becoming partly cloudy. Light
winds. Highs 42 to 49.
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. North winds around 10 mph. Lows 19 to 26.
.MONDAY...Partly cloudy in the morning then becoming sunny. North
winds around 10 mph. Highs 43 to 50.

$$

ORZ050-062-211300-
Clear Creek Area 6000 to 8000 feet-
256 PM PDT Fri Apr 20 2018

.TONIGHT...Partly cloudy in the evening then becoming mostly cloudy.
Light winds. Lows 26 to 33.
.SATURDAY...Mostly cloudy in the morning then clearing. Light winds.
Highs 37 to 44.
.SATURDAY NIGHT...Clear. Northwest winds around 10 mph. Lows 18 to
25.
.SUNDAY...Sunny in the morning then becoming partly cloudy. Light
winds. Highs 38 to 45.
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. North winds 10 to 15 mph. Lows 18 to 25.
.MONDAY...Sunny. North winds around 10 mph. Highs 39 to 46.

$$

ORZ050-062-211300-
Catherine Creek Area 6000 to 8000 feet-
256 PM PDT Fri Apr 20 2018

.TONIGHT...Partly cloudy in the evening then becoming mostly cloudy.
Light winds. Lows 26 to 33.
.SATURDAY...Mostly cloudy in the morning then clearing. Northwest
winds around 10 mph. Highs 41 to 47.
.SATURDAY NIGHT...Clear. Northwest winds around 10 mph in the
evening becoming light. Lows 20 to 26.
.SUNDAY...Partly cloudy. Light winds. Highs 41 to 48.
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. North winds around 10 mph. Lows 18 to 25.
.MONDAY...Sunny. North winds around 10 mph. Highs 42 to 49.

$$

ORZ050-062-211300-
Norway Area 7000 to 10000 feet-
256 PM PDT Fri Apr 20 2018

.TONIGHT...Partly cloudy in the evening then becoming mostly cloudy.
Light winds. Lows 25 to 32.
.SATURDAY...Mostly cloudy in the morning then clearing. West winds
around 10 mph in the morning becoming light. Highs 36 to 43.
.SATURDAY NIGHT...Clear. Northwest winds around 10 mph. Lows 17 to
24.
.SUNDAY...Sunny in the morning then becoming mostly cloudy.
Northwest winds around 10 mph in the morning becoming light. Highs
38 to 45.
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. North winds 10 to 15 mph. Lows 17 to 24.
.MONDAY...Sunny. North winds 10 to 15 mph. Highs 38 to 45.

$$

ORZ062-503-211300-
Anthony Lakes Area 7000 to 9000 feet-
256 PM PDT Fri Apr 20 2018

.TONIGHT...Partly cloudy in the evening then becoming mostly cloudy.
Light winds becoming west around 10 mph after midnight. Lows 22 to
29.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. West winds 10 to 15 mph. Highs 31 to 38.
.SATURDAY NIGHT...Clear. Northwest winds 10 to 15 mph. Lows 15 to
22.
.SUNDAY...Partly cloudy. Light winds becoming northwest around
10 mph in the afternoon. Highs 33 to 40.
.SUNDAY NIGHT...Partly cloudy. North winds 10 to 15 mph. Lows 18 to
25.
.MONDAY...Sunny. North winds 10 to 15 mph. Highs 36 to 43.

$$

ORZ502-211300-
Blue Mountains 4000 to 6000 feet-
256 PM PDT Fri Apr 20 2018

.TONIGHT...Partly cloudy in the evening, then cloudy with isolated
showers after midnight. Light winds becoming west around 10 mph
after midnight. Lows 27 to 34.
.SATURDAY...Mostly cloudy with slight chance of showers and snow
showers in the morning, then partly cloudy in the afternoon. West
winds 10 to 15 mph with gusts to 25 mph. Highs 43 to 49.
.SATURDAY NIGHT...Clear in the evening then becoming partly cloudy.
West winds 10 to 15 mph in the evening becoming light. Lows 17 to
24.
.SUNDAY...Partly cloudy. Light winds. Highs 42 to 49.
.SUNDAY NIGHT...Mostly cloudy in the evening then clearing. North
winds up to 10 mph. Lows 19 to 26.
.MONDAY...Sunny. North winds up to 10 mph. Highs 47 to 54.

$$

ORZ509-211300-
Broken Top-
256 PM PDT Fri Apr 20 2018

.TONIGHT...Mostly cloudy in the evening then becoming partly cloudy.
West winds 15 to 25 mph. Gusts up to 35 mph after midnight. Lows
18 to 25.
.SATURDAY...Partly cloudy with slight chance of snow showers in the
morning, then sunny in the afternoon. West winds 10 to 15 mph. Gusts
up to 30 mph in the morning. Highs 35 to 42.
.SATURDAY NIGHT...Clear. North winds around 10 mph in the evening
becoming light. Lows 13 to 20.
.SUNDAY...Partly cloudy. Light winds becoming north around 10 mph in
the afternoon. Highs 37 to 44.
.SUNDAY NIGHT...Clear. Northeast winds around 10 mph. Lows 13 to 20.
.MONDAY...Sunny. East winds around 10 mph. Highs 42 to 49.

$$

ORZ509-211300-
Tam McArthur Rim-
256 PM PDT Fri Apr 20 2018

.TONIGHT...Mostly cloudy in the evening then becoming partly cloudy.
West winds 15 to 25 mph. Lows 19 to 26.
.SATURDAY...Partly cloudy with slight chance of snow showers in the
morning, then sunny in the afternoon. West winds around 10 mph.
Gusts up to 30 mph in the morning. Highs 35 to 42.
.SATURDAY NIGHT...Clear. North winds around 10 mph in the evening
becoming light. Lows 13 to 20.
.SUNDAY...Partly cloudy. Light winds becoming north around 10 mph in
the afternoon. Highs 37 to 44.
.SUNDAY NIGHT...Clear. Northeast winds around 10 mph. Lows 13 to 20.
.MONDAY...Sunny. East winds around 10 mph. Highs 42 to 49.

$$

ORZ509-211300-
Newberry Crater-
256 PM PDT Fri Apr 20 2018

.TONIGHT...Mostly cloudy. West winds 10 to 15 mph. Gusts up to
25 mph after midnight. Lows 22 to 29.
.SATURDAY...Partly cloudy in the morning then clearing. Northwest
winds 10 to 15 mph. Gusts up to 25 mph in the morning. Highs 41 to
48.
.SATURDAY NIGHT...Clear. North winds around 10 mph in the evening
becoming light. Lows 17 to 24.
.SUNDAY...Partly cloudy in the morning then becoming mostly cloudy.
Light winds. Highs 40 to 47.
.SUNDAY NIGHT...Partly cloudy in the evening then becoming clear.
North winds 10 to 15 mph. Lows 17 to 24.
.MONDAY...Sunny. Light winds becoming east around 10 mph in the
afternoon. Highs 45 to 52.

$$


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