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FPUS86 KMFR 182135

TVLMFR



FORECAST FOR MOUNTAIN PASSES

NATIONAL WEATHER SERVICE MEDFORD, OR

235 PM PDT SUN MAY 18 2025



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CANYON CREEK PASS-

LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81

235 PM PDT SUN MAY 18 2025



.TONIGHT...PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY WITH

A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 43. 

.MONDAY...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS.

HIGHS AROUND 64. 

.MONDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY

CLOUDY. LOWS AROUND 42. 

.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS

AROUND 63. 

.TUESDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 39. 

.WEDNESDAY...PARTLY CLOUDY. HIGHS AROUND 71. 



$$



SEXTON SUMMIT-

LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69

235 PM PDT SUN MAY 18 2025



.TONIGHT...PARTLY CLOUDY UNTIL WELL AFTER MIDNIGHT THEN BECOMING

MOSTLY CLOUDY. LOWS 45-46. 

.MONDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY

CLOUDY. A 30 PERCENT CHANCE OF SHOWERS. HIGHS AROUND 60. 

.MONDAY NIGHT...PARTLY CLOUDY. LOWS 41-42. 

.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS

AROUND 60. 

.TUESDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 40. 

.WEDNESDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.

HIGHS AROUND 69. 



$$



HAYES HILL SUMMIT-

LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16

235 PM PDT SUN MAY 18 2025



.TONIGHT...PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR AFTER

MIDNIGHT THEN BECOMING PARTLY CLOUDY. LOWS AROUND 44. 

.MONDAY...MOSTLY CLOUDY IN THE MORNING THEN CLEARING. A

30 PERCENT CHANCE OF SHOWERS. HIGHS AROUND 66. 

.MONDAY NIGHT...MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY

CLOUDY. LOWS AROUND 43. 

.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS

AROUND 68. 

.TUESDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 40. 

.WEDNESDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.

HIGHS AROUND 76. 



$$



WILLAMETTE PASS-

LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62

235 PM PDT SUN MAY 18 2025



.TONIGHT...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN

SHOWERS. LOWS 33-36. 

.MONDAY...MOSTLY CLOUDY WITH RAIN SHOWERS. HIGHS 47-49. CHANCE OF

SHOWERS 80 PERCENT. 

.MONDAY NIGHT...MOSTLY CLOUDY. RAIN SHOWERS LIKELY IN THE

EVENING, THEN SLIGHT CHANCE OF RAIN AND SNOW SHOWERS AFTER

MIDNIGHT. NO SNOW ACCUMULATION. LOWS 31-34. CHANCE OF

PRECIPITATION 60 PERCENT. 

.TUESDAY...PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW SHOWERS IN

THE MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS AROUND 50. 

.TUESDAY NIGHT...MOSTLY CLEAR. LOWS 30-32. 

.WEDNESDAY...PARTLY CLOUDY, THEN MOSTLY CLOUDY WITH A 30 PERCENT

CHANCE OF SHOWERS IN THE EVENING. HIGHS 62-64. 



$$



DIAMOND LAKE SUMMIT-

LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83

235 PM PDT SUN MAY 18 2025



.TONIGHT...MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY AFTER

MIDNIGHT THEN BECOMING MOSTLY CLOUDY. A 10 PERCENT CHANCE OF RAIN

SHOWERS AFTER MIDNIGHT. LOWS 32-33. 

.MONDAY...MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY. HIGHS AROUND

50. CHANCE OF SHOWERS 60 PERCENT. 

.MONDAY NIGHT...MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN

SHOWERS IN THE EVENING. LOWS AROUND 30. 

.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.

HIGHS 51-53. 

.TUESDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 30. 

.WEDNESDAY...PARTLY CLOUDY, THEN MOSTLY CLOUDY WITH A 20 PERCENT

CHANCE OF SHOWERS IN THE EVENING. HIGHS 61-63. 



$$



CRATER LAKE-

LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65

235 PM PDT SUN MAY 18 2025



.TONIGHT...MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY AFTER

MIDNIGHT THEN BECOMING MOSTLY CLOUDY. A 10 PERCENT CHANCE OF RAIN

SHOWERS AFTER MIDNIGHT. LOWS 31-33. WEST WINDS AROUND 20 MPH WITH

GUSTS TO AROUND 35 MPH LATE IN THE EVENING AND OVERNIGHT. 

.MONDAY...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN SHOWERS.

HIGHS 46-51. 

.MONDAY NIGHT...MOSTLY CLOUDY. LOWS AROUND 30. 

.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.

HIGHS 49-55. 

.TUESDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 30. 

.WEDNESDAY...PARTLY CLOUDY, THEN MOSTLY CLOUDY WITH A 20 PERCENT

CHANCE OF SHOWERS IN THE EVENING. HIGHS 59-65. 



$$



LAKE OF THE WOODS-

LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33

235 PM PDT SUN MAY 18 2025



.TONIGHT...PARTLY CLOUDY UNTIL WELL AFTER MIDNIGHT THEN BECOMING

MOSTLY CLOUDY. LOWS 33-35. 

.MONDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY

CLOUDY. A 30 PERCENT CHANCE OF RAIN SHOWERS. HIGHS 54-57. 

.MONDAY NIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY

CLOUDY. LOWS 33-35. 

.TUESDAY...SUNNY. HIGHS 55-57. 

.TUESDAY NIGHT...MOSTLY CLEAR. LOWS 32-33. 

.WEDNESDAY...SUNNY, THEN PARTLY CLOUDY WITH A 20 PERCENT CHANCE

OF SHOWERS IN THE EVENING. HIGHS 65-67. 



$$



SISKIYOU SUMMIT-

LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4

235 PM PDT SUN MAY 18 2025



.TONIGHT...PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR AFTER

MIDNIGHT THEN BECOMING PARTLY CLOUDY. LOWS 40-42. 

.MONDAY...PARTLY CLOUDY. HIGHS 58-64. 

.MONDAY NIGHT...MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY

CLOUDY. LOWS AROUND 40. 

.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.

HIGHS 57-62. 

.TUESDAY NIGHT...MOSTLY CLEAR. LOWS 37-39. 

.WEDNESDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.

HIGHS 68-73. 



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BLACK BUTTE SUMMIT-

LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742

235 PM PDT SUN MAY 18 2025



.TONIGHT...MOSTLY CLEAR UNTIL WELL AFTER MIDNIGHT THEN BECOMING

PARTLY CLOUDY. LOWS 40-42. 

.MONDAY...SUNNY. HIGHS AROUND 70. 

.MONDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 40. 

.TUESDAY...SUNNY. HIGHS 66-69. 

.TUESDAY NIGHT...CLEAR. LOWS AROUND 40. 

.WEDNESDAY...SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 74-78. 



$$



GRASS LAKE/MT HEBRON SUMMIT-

LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20

235 PM PDT SUN MAY 18 2025



.TONIGHT...MOSTLY CLEAR UNTIL WELL AFTER MIDNIGHT THEN BECOMING

PARTLY CLOUDY. LOWS AROUND 35. 

.MONDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY. HIGHS

64-66. 

.MONDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 33. 

.TUESDAY...SUNNY. HIGHS 64-66. 

.TUESDAY NIGHT...MOSTLY CLEAR. LOWS 34-35. 

.WEDNESDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.

HIGHS 72-74. 



$$



WARNER MOUNTAIN SUMMIT-

LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4

235 PM PDT SUN MAY 18 2025



.TONIGHT...PARTLY CLOUDY EARLY IN THE EVENING THEN CLEARING. LOWS

AROUND 32. 

.MONDAY...PARTLY CLOUDY. HIGHS 58-59. 

.MONDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 33. 

.TUESDAY...SUNNY. HIGHS AROUND 60. 

.TUESDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 34. 

.WEDNESDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.

HIGHS 67-68. 



$$



CEDAR PASS-

LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51

235 PM PDT SUN MAY 18 2025



.TONIGHT...MOSTLY CLEAR. LOWS 32-33. NORTHWEST WINDS AROUND

20 MPH EARLY IN THE EVENING BECOMING LIGHT, THEN BECOMING WEST

AROUND 20 MPH WELL AFTER MIDNIGHT. 

.MONDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS

54-57. WEST WINDS AROUND 20 MPH IN THE MORNING BECOMING LIGHT. 

.MONDAY NIGHT...MOSTLY CLEAR. LOWS 34-35. 

.TUESDAY...SUNNY. HIGHS 55-58. 

.TUESDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 35. 

.WEDNESDAY...SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 64-66. 



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