Snow Avalanche Guidance
Issued by NWS Pendleton, OR

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14
000
FWUS46 KPDT 211056
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
356 AM PDT Sat Oct 21 2017

ORZ050-220100-
Wallowa Mountains 8000 to 9000 feet-
356 AM PDT Sat Oct 21 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 11 PM
PDT THIS EVENING...

.TODAY...Snow likely in the morning, then snow in the afternoon.
Snow accumulation of 1 to 6 inches. Southwest winds 10 to 15 mph
increasing to 20 to 30 mph with gusts to 45 mph in the afternoon.
Highs 30 to 36.
.TONIGHT...Snow in the evening, then rain and snow after midnight.
Snow accumulation up to 5 inches. Southwest winds 20 to 30 mph with
gusts to 50 mph. Lows 23 to 30.
.SUNDAY...Rain and snow. Snow accumulation up to 3 inches. West
winds 20 to 35 mph. Gusts up to 50 mph decreasing to 40 mph in the
afternoon. Highs 28 to 35.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain and snow in the
evening, then slight chance of showers and snow showers after
midnight. Snow accumulation up to 1 inch. West winds 10 to 20 mph.
Lows 23 to 30.
.MONDAY...Mostly cloudy in the morning then becoming partly cloudy.
West winds around 10 mph. Highs 32 to 39.
.MONDAY NIGHT...Clear. Light winds. Lows 28 to 35.

$$

ORZ050-220100-
Salt Creek Area 5000 to 7000 feet-
356 AM PDT Sat Oct 21 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 11 PM
PDT THIS EVENING...

.TODAY...Snow likely in the morning, then snow in the afternoon.
Snow accumulation up to 4 inches. South winds around 10 mph
increasing to 15 to 20 mph with gusts to 30 mph in the afternoon.
Highs 27 to 34.
.TONIGHT...Rain. South winds 10 to 15 mph with gusts to 30 mph. Lows
27 to 34.
.SUNDAY...Rain. South winds 10 to 15 mph with gusts to 30 mph. Highs
35 to 42.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain in the evening.
Southwest winds around 10 mph in the evening becoming light. Lows
29 to 36.
.MONDAY...Mostly cloudy in the morning then clearing. Light winds.
Highs 39 to 46.
.MONDAY NIGHT...Clear. Light winds. Lows 31 to 38.

$$

ORZ050-062-220100-
Clear Creek Area 6000 to 8000 feet-
356 AM PDT Sat Oct 21 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 11 PM
PDT THIS EVENING...

.TODAY...Snow. Snow accumulation of 1 to 7 inches. South winds
around 10 mph increasing to 15 to 20 mph with gusts to 30 mph in the
afternoon. Highs 26 to 33.
.TONIGHT...Snow in the evening, then rain after midnight. Snow
accumulation up to 5 inches. South winds 10 to 20 mph with gusts to
35 mph. Lows 24 to 31.
.SUNDAY...Rain. Southwest winds 10 to 15 mph with gusts to 30 mph.
Highs 32 to 39.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then
slight chance of showers and snow showers after midnight. Little or
no snow accumulation. Southwest winds around 10 mph in the evening
becoming light. Lows 27 to 34.
.MONDAY...Mostly cloudy in the morning then becoming partly cloudy.
Light winds. Highs 36 to 43.
.MONDAY NIGHT...Clear. Light winds. Lows 29 to 36.

$$

ORZ050-062-220100-
Catherine Creek Area 6000 to 8000 feet-
356 AM PDT Sat Oct 21 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 11 PM
PDT THIS EVENING...

.TODAY...Snow. Snow accumulation of 1 to 6 inches. South winds 10 to
15 mph increasing to 15 to 25 mph with gusts to 35 mph in the
afternoon. Highs 27 to 34.
.TONIGHT...Snow and rain in the evening, then rain after midnight.
Snow accumulation up to 5 inches. South winds 10 to 15 mph with
gusts to 35 mph. Lows 25 to 32.
.SUNDAY...Rain. Southwest winds 10 to 20 mph with gusts to 30 mph.
Highs 33 to 40.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then
slight chance of showers and snow showers after midnight. Little or
no snow accumulation. West winds 10 to 15 mph. Lows 27 to 34.
.MONDAY...Mostly cloudy in the morning then becoming partly cloudy.
Light winds. Highs 37 to 44.
.MONDAY NIGHT...Clear. Light winds. Lows 30 to 37.

$$

ORZ050-062-220100-
Norway Area 7000 to 10000 feet-
356 AM PDT Sat Oct 21 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 11 PM
PDT THIS EVENING...

.TODAY...Snow. Snow accumulation of 1 to 7 inches. Southwest winds
around 10 mph increasing to south 15 to 25 mph with gusts to 35 mph
in the afternoon. Highs 23 to 30.
.TONIGHT...Snow in the evening, then rain and snow after midnight.
Snow accumulation up to 5 inches. Southwest winds 20 to 30 mph with
gusts to 45 mph. Lows 22 to 29.
.SUNDAY...Rain and snow. Snow accumulation up to 4 inches. Southwest
winds 10 to 20 mph with gusts to 30 mph. Highs 29 to 36.
.SUNDAY NIGHT...Chance of rain and snow likely in the evening, then
slight chance of showers and snow showers after midnight. Snow
accumulation up to 1 inch. West winds 10 to 15 mph. Lows 24 to 31.
.MONDAY...Mostly cloudy in the morning then becoming partly cloudy.
Light winds. Highs 33 to 40.
.MONDAY NIGHT...Clear. Light winds becoming north around 10 mph
after midnight. Lows 28 to 35.

$$

ORZ062-503-220100-
Anthony Lakes Area 7000 to 9000 feet-
356 AM PDT Sat Oct 21 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON...

.TODAY...Snow. Snow accumulation of 2 to 6 inches. Southwest winds
10 to 15 mph increasing to 15 to 25 mph with gusts to 35 mph in the
afternoon. Highs 29 to 36.
.TONIGHT...Rain and snow in the evening, then rain after midnight.
Snow accumulation up to 4 inches. Southwest winds 20 to 30 mph with
gusts to 45 mph. Lows 25 to 32.
.SUNDAY...Rain. West winds 20 to 30 mph. Gusts up to 45 mph
decreasing to 35 mph in the afternoon. Highs 33 to 40.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then
slight chance of showers and snow showers after midnight. West winds
10 to 20 mph. Lows 24 to 31.
.MONDAY...Mostly cloudy in the morning then becoming partly cloudy.
West winds around 10 mph in the morning becoming light. Highs 38 to
45.
.MONDAY NIGHT...Clear. Light winds. Lows 29 to 36.

$$

ORZ502-220100-
Blue Mountains 4000 to 6000 feet-
356 AM PDT Sat Oct 21 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...

.TODAY...Snow likely in the morning, then snow and rain in the
afternoon. Snow accumulation up to 6 inches. South winds 10 to
15 mph. Gusts up to 35 mph in the afternoon. Highs 31 to 38.
.TONIGHT...Rain. Southwest winds 10 to 15 mph with gusts to 45 mph.
Lows 31 to 38.
.SUNDAY...Rain. Southwest winds 15 to 25 mph with gusts to 45 mph.
Highs 40 to 47.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain in the evening. West
winds 10 to 15 mph with gusts to 30 mph. Lows 32 to 39.
.MONDAY...Mostly cloudy in the morning then becoming partly cloudy.
Southwest winds up to 10 mph in the morning becoming light. Highs
42 to 49.
.MONDAY NIGHT...Clear. Light winds. Lows 32 to 39.

$$

ORZ509-220100-
Broken Top-
356 AM PDT Sat Oct 21 2017

.TODAY...Snow in the morning, then rain in the afternoon. Snow
accumulation up to 9 inches. Southwest winds 25 to 35 mph with gusts
to 55 mph. Highs 34 to 41.
.TONIGHT...Rain. Southwest winds 40 to 55 mph with gusts to 75 mph.
Lows 29 to 36.
.SUNDAY...Rain. Southwest winds 20 to 30 mph. Gusts up to 45 mph
decreasing to 35 mph in the afternoon. Highs 36 to 43.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then
slight chance of showers after midnight. West winds 10 to 20 mph.
Lows 29 to 36.
.MONDAY...Partly cloudy in the morning then clearing. Light winds.
Highs 47 to 54.
.MONDAY NIGHT...Clear. Light winds becoming southeast around 10 mph
after midnight. Lows 35 to 42.

$$

ORZ509-220100-
Tam McArthur Rim-
356 AM PDT Sat Oct 21 2017

.TODAY...Snow in the morning, then rain in the afternoon. Snow
accumulation up to 7 inches. Southwest winds 25 to 35 mph with gusts
to 50 mph. Highs 34 to 41.
.TONIGHT...Rain. Southwest winds 45 to 55 mph with gusts to 75 mph.
Lows 29 to 36.
.SUNDAY...Rain. Southwest winds 20 to 30 mph with gusts to 40 mph.
Highs 37 to 44.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then
slight chance of showers after midnight. West winds 10 to 20 mph.
Lows 29 to 36.
.MONDAY...Partly cloudy in the morning then clearing. Light winds.
Highs 47 to 54.
.MONDAY NIGHT...Clear. Light winds becoming southeast around 10 mph
after midnight. Lows 36 to 43.

$$

ORZ509-220100-
Newberry Crater-
356 AM PDT Sat Oct 21 2017

.TODAY...Snow in the morning, then rain in the afternoon. Snow
accumulation up to 7 inches. Southwest winds 20 to 35 mph with gusts
to 50 mph. Highs 36 to 43.
.TONIGHT...Mostly cloudy with chance of rain. Southwest winds 30 to
45 mph with gusts to 60 mph. Lows 30 to 37.
.SUNDAY...Mostly cloudy with chance of rain in the morning, then
rain in the afternoon. Southwest winds 20 to 30 mph with gusts to
40 mph. Highs 39 to 46.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain in the evening. West
winds 10 to 20 mph. Lows 31 to 38.
.MONDAY...Partly cloudy in the morning then clearing. Light winds.
Highs 50 to 57.
.MONDAY NIGHT...Clear. Light winds becoming east around 10 mph after
midnight. Lows 35 to 42.

$$


http://weather.gov/pendleton



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.