239 
FWUS46 KPDT 201156
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
356 AM PST Sun Dec 20 2020

ORZ050-210200-
Wallowa Mountains 8000 to 9000 feet-
356 AM PST Sun Dec 20 2020

.TODAY...Snow. Snow accumulation of 1 to 3 inches. West winds 10 to
15 mph. Gusts up to 25 mph in the morning. Highs 28 to 35. 
.TONIGHT...Snow with rain likely in the evening, then rain and snow
likely after midnight. Snow accumulation up to 3 inches. Southwest
winds 10 to 20 mph. Lows 23 to 30. 
.MONDAY...Mostly cloudy with slight chance of rain and snow in the
morning, then partly cloudy with chance of snow in the afternoon.
South winds 10 to 20 mph with gusts to 30 mph. Highs 30 to 37. 
.MONDAY NIGHT...Partly cloudy in the evening. Snow likely. Snow
accumulation up to 1 inch. Southwest winds 10 to 20 mph with gusts
to 30 mph. Lows 9 to 16. 
.TUESDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow. Snow accumulation up to 1 inch. Northwest winds 10 to
15 mph with gusts to 25 mph. Highs 15 to 22. 
.TUESDAY NIGHT...Partly cloudy in the evening then clearing.
Northwest winds 10 to 15 mph. Lows 2 to 9. 

$$

ORZ050-210200-
Salt Creek Area 5000 to 7000 feet-
356 AM PST Sun Dec 20 2020

.TODAY...Rain and snow. Snow accumulation up to 1 inch. South winds
around 10 mph in the morning becoming light. Highs 32 to 39. 
.TONIGHT...Rain in the evening, then rain likely after midnight.
South winds around 10 mph. Lows 26 to 33. 
.MONDAY...Mostly cloudy with slight chance of rain in the morning,
then partly cloudy with chance of rain and snow in the afternoon.
South winds 10 to 15 mph. Highs 32 to 39. 
.MONDAY NIGHT...Partly cloudy in the evening. Snow likely. Snow
accumulation up to 1 inch. South winds 10 to 15 mph shifting to the
west after midnight. Lows 15 to 22. 
.TUESDAY...Mostly cloudy with chance of snow. Snow accumulation up
to 1 inch. Northwest winds 10 to 15 mph. Highs 20 to 27. 
.TUESDAY NIGHT...Partly cloudy in the evening then clearing.
Northwest winds around 10 mph. Lows 5 to 12. 

$$

ORZ050-062-210200-
Clear Creek Area 6000 to 8000 feet-
356 AM PST Sun Dec 20 2020

.TODAY...Snow in the morning, then snow and rain in the afternoon.
Snow accumulation up to 3 inches. Southwest winds around 10 mph.
Highs 30 to 37. 
.TONIGHT...Rain and snow in the evening, then rain likely after
midnight. Snow accumulation up to 2 inches. Southwest winds around
10 mph. Lows 23 to 30. 
.MONDAY...Cloudy with slight chance of rain in the morning, then
mostly cloudy with chance of snow in the afternoon. South winds
10 to 15 mph. Highs 28 to 35. 
.MONDAY NIGHT...Partly cloudy in the evening. Snow likely. Snow
accumulation up to 1 inch. Southwest winds 10 to 15 mph shifting to
the west after midnight. Lows 11 to 18. 
.TUESDAY...Mostly cloudy with chance of snow. Snow accumulation up
to 2 inches. Northwest winds 10 to 15 mph. Highs 16 to 23. 
.TUESDAY NIGHT...Partly cloudy in the evening then clearing.
Northwest winds 10 to 15 mph. Lows 3 to 10. 

$$

ORZ050-062-210200-
Catherine Creek Area 6000 to 8000 feet-
356 AM PST Sun Dec 20 2020

.TODAY...Snow and rain. Snow accumulation up to 4 inches. West winds
around 10 mph. Highs 31 to 38. 
.TONIGHT...Rain in the evening, then slight chance of rain after
midnight. Southwest winds around 10 mph. Lows 25 to 32. 
.MONDAY...Mostly cloudy. Slight chance of rain in the morning, then
chance of snow in the afternoon. South winds 10 to 15 mph. Highs
33 to 40. 
.MONDAY NIGHT...Partly cloudy in the evening. Snow likely. Snow
accumulation up to 1 inch. South winds 10 to 15 mph shifting to the
west after midnight. Lows 13 to 20. 
.TUESDAY...Mostly cloudy with chance of snow. Snow accumulation up
to 3 inches. Northwest winds 10 to 15 mph. Highs 16 to 23. 
.TUESDAY NIGHT...Partly cloudy in the evening then clearing.
Northwest winds 10 to 15 mph. Lows 5 to 12. 

$$

ORZ050-062-210200-
Norway Area 7000 to 10000 feet-
356 AM PST Sun Dec 20 2020

.TODAY...Snow. Snow accumulation of 2 to 4 inches. West winds 10 to
15 mph. Highs 28 to 35. 
.TONIGHT...Snow in the evening, then rain and snow likely after
midnight. Snow accumulation up to 3 inches. Southwest winds 10 to
15 mph. Lows 22 to 29. 
.MONDAY...Cloudy with slight chance of rain and snow in the morning,
then mostly cloudy with chance of snow in the afternoon. South winds
10 to 15 mph. Highs 28 to 35. 
.MONDAY NIGHT...Snow likely. Snow accumulation up to 1 inch.
Southwest winds 10 to 15 mph shifting to the west after midnight.
Gusts up to 25 mph. Lows 9 to 16. 
.TUESDAY...Mostly cloudy with chance of snow. Snow accumulation up
to 2 inches. Northwest winds 10 to 15 mph with gusts to 25 mph.
Highs 13 to 20. 
.TUESDAY NIGHT...Partly cloudy in the evening then clearing.
Northwest winds 10 to 15 mph. Lows 3 to 10. 

$$

ORZ062-503-210200-
Anthony Lakes Area 7000 to 9000 feet-
356 AM PST Sun Dec 20 2020

.TODAY...Snow and rain. Snow accumulation up to 3 inches. West winds
10 to 20 mph with gusts to 30 mph. Highs 31 to 38. 
.TONIGHT...Rain and snow in the evening, then chance of rain after
midnight. Snow accumulation up to 1 inch. Southwest winds 15 to
20 mph. Lows 24 to 31. 
.MONDAY...Mostly cloudy in the morning, then partly cloudy with snow
likely in the afternoon. Southwest winds 10 to 20 mph. Highs 32 to
39. 
.MONDAY NIGHT...Snow likely. Snow accumulation up to 1 inch. West
winds 15 to 25 mph with gusts to 35 mph. Lows 9 to 16. 
.TUESDAY...Mostly cloudy with chance of snow. Northwest winds 10 to
20 mph with gusts to 30 mph. Highs 16 to 23. 
.TUESDAY NIGHT...Partly cloudy in the evening then clearing.
Northwest winds 10 to 15 mph. Lows 4 to 11. 

$$

ORZ502-210200-
Blue Mountains 4000 to 6000 feet-
356 AM PST Sun Dec 20 2020

.TODAY...Rain. West winds 10 to 15 mph with gusts to 30 mph
decreasing to up to 10 mph in the afternoon. Highs 35 to 42. 
.TONIGHT...Rain. Southwest winds up to 10 mph. Gusts up to 25 mph
after midnight. Lows 28 to 35. 
.MONDAY...Mostly cloudy with slight chance of rain in the morning,
then partly cloudy with chance of rain in the afternoon. South winds
around 10 mph. Gusts up to 25 mph in the morning. Highs 37 to 44. 
.MONDAY NIGHT...Mostly cloudy. Chance of snow and rain in the
evening, then chance of snow after midnight. Snow accumulation up to
3 inches. Southwest winds 10 to 15 mph with gusts to 25 mph. Lows
18 to 25. 
.TUESDAY...Mostly cloudy with chance of snow. Snow accumulation up
to 3 inches. West winds 10 to 15 mph. Gusts up to 25 mph in the
morning. Highs 21 to 28. 
.TUESDAY NIGHT...Clear. West winds around 10 mph in the evening
becoming light. Lows 4 to 11. 

$$

ORZ509-210200-
Broken Top-
356 AM PST Sun Dec 20 2020

.TODAY...Rain. West winds 20 to 30 mph. Gusts up to 40 mph in the
morning. Highs 35 to 42. 
.TONIGHT...Rain in the evening, then chance of rain and snow after
midnight. No snow accumulation. Southwest winds 15 to 20 mph with
gusts to 30 mph. Lows 25 to 32. 
.MONDAY...Partly cloudy. Chance of snow in the morning, then snow
likely in the afternoon. Southwest winds 10 to 20 mph. Gusts up to
25 mph increasing to 45 mph in the afternoon. Highs 32 to 39. 
.MONDAY NIGHT...Snow likely in the evening, then chance of snow
after midnight. Snow accumulation of 2 to 3 inches. West winds 15 to
20 mph with gusts to 30 mph. Lows 7 to 14. 
.TUESDAY...Mostly cloudy with chance of snow in the morning, then
partly cloudy with slight chance of snow in the afternoon. Northwest
winds 10 to 15 mph. Gusts up to 25 mph in the morning. Highs 16 to
23. 
.TUESDAY NIGHT...Clear. Light winds becoming south around 10 mph
after midnight. Lows 7 to 14. 

$$

ORZ509-210200-
Tam McArthur Rim-
356 AM PST Sun Dec 20 2020

.TODAY...Rain. West winds 20 to 30 mph. Gusts up to 40 mph in the
morning. Highs 35 to 42. 
.TONIGHT...Rain in the evening, then chance of rain and slight
chance of snow after midnight. No snow accumulation. Southwest winds
10 to 20 mph with gusts to 30 mph. Lows 26 to 33. 
.MONDAY...Partly cloudy. Chance of snow and rain in the morning,
then snow likely in the afternoon. Southwest winds 10 to 20 mph.
Gusts up to 25 mph increasing to 45 mph in the afternoon. Highs
33 to 40. 
.MONDAY NIGHT...Snow likely. Snow accumulation around 2 inches. West
winds 10 to 20 mph with gusts to 30 mph. Lows 8 to 15. 
.TUESDAY...Mostly cloudy with chance of snow in the morning, then
partly cloudy with slight chance of snow in the afternoon. Northwest
winds 10 to 15 mph. Gusts up to 25 mph in the morning. Highs 17 to
24. 
.TUESDAY NIGHT...Clear. Light winds becoming south around 10 mph
after midnight. Lows 8 to 15. 

$$

ORZ509-210200-
Newberry Crater-
356 AM PST Sun Dec 20 2020

.TODAY...Rain likely in the morning, then chance of rain in the
afternoon. Southwest winds 15 to 25 mph. Highs 36 to 43. 
.TONIGHT...Cloudy. Chance of rain in the evening, then slight chance
of rain after midnight. Southwest winds 10 to 20 mph. Lows 25 to 32.
.MONDAY...Partly cloudy. Chance of snow in the morning, then chance
of snow and rain in the afternoon. Southwest winds 10 to 15 mph with
gusts to 25 mph increasing to 20 to 30 mph with gusts to 40 mph in
the afternoon. Highs 35 to 42. 
.MONDAY NIGHT...Mostly cloudy with chance of snow. Snow accumulation
up to 1 inch. West winds 15 to 20 mph with gusts to 30 mph. Lows
10 to 17. 
.TUESDAY...Mostly cloudy with slight chance of snow in the morning,
then partly cloudy in the afternoon. Northwest winds 10 to 15 mph.
Highs 17 to 24. 
.TUESDAY NIGHT...Clear. Light winds becoming south around 10 mph
after midnight. Lows 7 to 14. 

$$


http://weather.gov/pendleton