Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 202256
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
256 PM PST Tue Feb 20 2018

ORZ050-211400-
Wallowa Mountains 8000 to 9000 feet-
256 PM PST Tue Feb 20 2018

.TONIGHT...Cloudy with chance of snow. Snow accumulation up to
1 inch. West winds around 10 mph. Lows 1 below to 8 below zero.
.WEDNESDAY...Mostly cloudy. Chance of snow in the morning, then
chance of snow showers in the afternoon. Snow accumulation up to
1 inch. Light winds. Highs 3 to 10.
.WEDNESDAY NIGHT...Mostly cloudy with chance of snow. Light winds.
Lows 5 below to 2 above zero.
.THURSDAY...Cloudy with chance of snow showers. Light winds becoming
north around 10 mph in the afternoon. Highs 3 to 10.
.THURSDAY NIGHT...Mostly cloudy. Slight chance of snow showers in
the evening. North winds around 10 mph. Lows 1 below to 8 below
zero.
.FRIDAY...Partly cloudy. Light winds. Highs 8 to 15.

$$

ORZ050-211400-
Salt Creek Area 5000 to 7000 feet-
256 PM PST Tue Feb 20 2018

.TONIGHT...Cloudy. Slight chance of snow in the evening, then chance
of snow after midnight. South winds around 10 mph in the evening
becoming light. Lows 1 below to 6 above zero.
.WEDNESDAY...Cloudy with chance of snow in the morning, then mostly
cloudy with chance of snow showers in the afternoon. Little or no
snow accumulation. Light winds. Highs 13 to 20.
.WEDNESDAY NIGHT...Mostly cloudy with chance of snow. Light winds.
Lows 3 to 10.
.THURSDAY...Cloudy with chance of snow showers. Light winds becoming
north around 10 mph in the afternoon. Highs 12 to 19.
.THURSDAY NIGHT...Mostly cloudy. Slight chance of snow showers in
the evening. North winds around 10 mph in the evening becoming
light. Lows 2 below to 5 above zero.
.FRIDAY...Partly cloudy. Light winds. Highs 15 to 22.

$$

ORZ050-062-211400-
Clear Creek Area 6000 to 8000 feet-
256 PM PST Tue Feb 20 2018

.TONIGHT...Cloudy with chance of snow. Snow accumulation up to
1 inch. Light winds. Lows 5 below to 2 above zero.
.WEDNESDAY...Snow likely in the morning, then mostly cloudy with
chance of snow showers in the afternoon. Snow accumulation up to
1 inch. Light winds. Highs 8 to 15.
.WEDNESDAY NIGHT...Mostly cloudy. Slight chance of snow in the
evening, then chance of snow after midnight. East winds around
10 mph. Lows zero to 7 above zero.
.THURSDAY...Cloudy with chance of snow showers. Light winds becoming
north around 10 mph in the afternoon. Highs 10 to 17.
.THURSDAY NIGHT...Mostly cloudy. Slight chance of snow showers in
the evening. North winds around 10 mph. Lows 4 below to 3 above
zero.
.FRIDAY...Partly cloudy. North winds around 10 mph in the morning
becoming light. Highs 12 to 19.

$$

ORZ050-062-211400-
Catherine Creek Area 6000 to 8000 feet-
256 PM PST Tue Feb 20 2018

.TONIGHT...Chance of snow in the evening, then snow likely after
midnight. Snow accumulation around 1 inch. South winds around 10 mph
in the evening becoming light. Lows 1 below to 6 above zero.
.WEDNESDAY...Snow likely in the morning, then mostly cloudy with
slight chance of snow showers in the afternoon. Snow accumulation up
to 1 inch. Light winds. Highs 14 to 20.
.WEDNESDAY NIGHT...Mostly cloudy. Slight chance of snow in the
evening, then chance of snow after midnight. Light winds. Lows 1 to
8.
.THURSDAY...Cloudy with chance of snow showers. Light winds becoming
north around 10 mph in the afternoon. Highs 9 to 16.
.THURSDAY NIGHT...Mostly cloudy. Slight chance of snow showers in
the evening. Northwest winds around 10 mph. Lows 3 below to 4 above
zero.
.FRIDAY...Partly cloudy. Northwest winds around 10 mph in the
morning becoming light. Highs 12 to 19.

$$

ORZ050-062-211400-
Norway Area 7000 to 10000 feet-
256 PM PST Tue Feb 20 2018

.TONIGHT...Cloudy with chance of snow. Snow accumulation up to
1 inch. Southwest winds around 10 mph in the evening becoming light.
Lows 5 below to 2 above zero.
.WEDNESDAY...Snow likely in the morning, then mostly cloudy with
chance of snow showers in the afternoon. Snow accumulation up to
1 inch. Light winds. Highs 7 to 14.
.WEDNESDAY NIGHT...Mostly cloudy. Slight chance of snow in the
evening, then chance of snow after midnight. Northeast winds around
10 mph. Lows 1 below to 6 above zero.
.THURSDAY...Cloudy with chance of snow showers. Light winds becoming
north around 10 mph in the afternoon. Highs 7 to 14.
.THURSDAY NIGHT...Mostly cloudy. Slight chance of snow showers in
the evening. North winds 10 to 15 mph. Lows 6 below to 1 above zero.
.FRIDAY...Partly cloudy. North winds around 10 mph shifting to the
west in the afternoon. Highs 9 to 16.

$$

ORZ062-503-211400-
Anthony Lakes Area 7000 to 9000 feet-
256 PM PST Tue Feb 20 2018

.TONIGHT...Chance of snow in the evening, then snow likely after
midnight. Snow accumulation around 1 inch. Southwest winds around
10 mph in the evening becoming light. Lows 3 below to 4 above zero.
.WEDNESDAY...Snow likely in the morning, then mostly cloudy with
slight chance of snow showers in the afternoon. Snow accumulation up
to 1 inch. Light winds. Highs 7 to 14.
.WEDNESDAY NIGHT...Cloudy. Slight chance of snow in the evening,
then chance of snow after midnight. Southwest winds around 10 mph
shifting to the northwest after midnight. Lows 2 below to 5 above
zero.
.THURSDAY...Cloudy with chance of snow showers. Light winds becoming
north 10 to 15 mph in the afternoon. Highs 7 to 14.
.THURSDAY NIGHT...Mostly cloudy with slight chance of snow showers
in the evening, then partly cloudy after midnight. Northwest winds
10 to 15 mph. Lows 6 below to 1 above zero.
.FRIDAY...Partly cloudy. Northwest winds around 10 mph. Highs 11 to
18.

$$

ORZ502-211400-
Blue Mountains 4000 to 6000 feet-
256 PM PST Tue Feb 20 2018

.TONIGHT...Cloudy with chance of snow. Snow accumulation up to
1 inch. South winds up to 10 mph in the evening becoming light. Lows
1 to 8.
.WEDNESDAY...Partly cloudy. Slight chance of snow in the morning.
Light winds. Highs 14 to 21.
.WEDNESDAY NIGHT...Mostly cloudy. Slight chance of snow after
midnight. Light winds. Lows 3 to 10.
.THURSDAY...Cloudy with slight chance of snow showers. Northwest
winds up to 10 mph. Highs 14 to 21.
.THURSDAY NIGHT...Mostly cloudy with slight chance of snow showers
in the evening, then partly cloudy after midnight. West winds around
10 mph. Lows 2 to 9.
.FRIDAY...Partly cloudy. Light winds becoming southwest around
10 mph in the afternoon. Highs 19 to 26.

$$

ORZ509-211400-
Broken Top-
256 PM PST Tue Feb 20 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON PST WEDNESDAY...

.TONIGHT...Snow likely in the evening, then snow after midnight.
Snow accumulation of 1 to 4 inches. West winds around 10 mph. Lows
zero to 7 above zero.
.WEDNESDAY...Mostly cloudy. Chance of snow in the morning, then
slight chance of snow showers in the afternoon. Light winds becoming
northwest around 10 mph in the afternoon. Highs 9 to 16.
.WEDNESDAY NIGHT...Cloudy with chance of snow. West winds around
10 mph. Lows 2 below to 5 above zero.
.THURSDAY...Snow showers likely in the morning, then mostly cloudy
with chance of snow showers in the afternoon. Snow accumulation of
1 to 2 inches. Light winds becoming north around 10 mph in the
afternoon. Highs 8 to 15.
.THURSDAY NIGHT...Mostly cloudy with slight chance of snow showers
in the evening, then partly cloudy after midnight. North winds
around 10 mph. Lows 6 below to 1 above zero.
.FRIDAY...Partly cloudy in the morning then becoming mostly cloudy.
West winds around 10 mph. Highs 16 to 23.

$$

ORZ509-211400-
Tam McArthur Rim-
256 PM PST Tue Feb 20 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON PST WEDNESDAY...

.TONIGHT...Snow likely in the evening, then snow after midnight.
Snow accumulation of 1 to 3 inches. West winds around 10 mph in the
evening becoming light. Lows zero to 7 above zero.
.WEDNESDAY...Mostly cloudy. Chance of snow in the morning, then
slight chance of snow showers in the afternoon. Light winds becoming
northwest around 10 mph in the afternoon. Highs 8 to 15.
.WEDNESDAY NIGHT...Cloudy with chance of snow. West winds around
10 mph. Lows 2 below to 5 above zero.
.THURSDAY...Snow showers likely in the morning, then mostly cloudy
with chance of snow showers in the afternoon. Snow accumulation
around 1 inch. Light winds becoming north around 10 mph in the
afternoon. Highs 8 to 15.
.THURSDAY NIGHT...Mostly cloudy with slight chance of snow showers
in the evening, then partly cloudy after midnight. North winds
around 10 mph. Lows 5 below to 2 above zero.
.FRIDAY...Partly cloudy in the morning then becoming mostly cloudy.
West winds around 10 mph. Highs 16 to 23.

$$

ORZ509-211400-
Newberry Crater-
256 PM PST Tue Feb 20 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON PST WEDNESDAY...

.TONIGHT...Chance of snow in the evening, then snow after midnight.
Snow accumulation of 1 to 2 inches. West winds around 10 mph. Lows
3 to 10.
.WEDNESDAY...Mostly cloudy. Chance of snow in the morning, then
slight chance of snow showers in the afternoon. Snow accumulation up
to 1 inch. Light winds becoming northwest around 10 mph in the
afternoon. Highs 12 to 19.
.WEDNESDAY NIGHT...Mostly cloudy with chance of snow. Northwest
winds around 10 mph. Lows 1 to 8.
.THURSDAY...Cloudy in the morning then becoming mostly cloudy.
Chance of snow showers. Snow accumulation around 1 inch. North winds
10 to 15 mph. Highs 7 to 14.
.THURSDAY NIGHT...Mostly cloudy with slight chance of snow showers
in the evening, then partly cloudy after midnight. North winds 10 to
15 mph. Lows 4 below to 3 above zero.
.FRIDAY...Partly cloudy. Northwest winds around 10 mph. Highs 18 to
25.

$$


http://weather.gov/pendleton


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