FPUS86 KMFR 192139
TVLMFR

FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
238 PM PDT TUE MAY 19 2026

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CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
238 PM PDT TUE MAY 19 2026

.TONIGHT...MOSTLY CLEAR EARLY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 45. 
.WEDNESDAY...MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 70. 
.WEDNESDAY NIGHT...PARTLY CLOUDY. LOWS AROUND 44. 
.THURSDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS AROUND 77. 
.THURSDAY NIGHT...CLEAR. LOWS AROUND 48. 
.FRIDAY...SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS AROUND
78. 

$$

SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
238 PM PDT TUE MAY 19 2026

.TONIGHT...MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY LATE IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. LOWS AROUND 49. 
.WEDNESDAY...SUNNY. HIGHS 67-68. 
.WEDNESDAY NIGHT...PARTLY CLOUDY. LOWS AROUND 48. 
.THURSDAY...SUNNY. HIGHS AROUND 77. 
.THURSDAY NIGHT...CLEAR. LOWS 52-53. 
.FRIDAY...CLEAR. HIGHS AROUND 77. 

$$

HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
238 PM PDT TUE MAY 19 2026

.TONIGHT...MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY LATE IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. LOWS AROUND 47. GUSTS UP TO
20 MPH EARLY IN THE EVENING. 
.WEDNESDAY...SUNNY. HIGHS AROUND 76. 
.WEDNESDAY NIGHT...PARTLY CLOUDY. LOWS AROUND 46. 
.THURSDAY...SUNNY. HIGHS AROUND 85. 
.THURSDAY NIGHT...CLEAR. LOWS AROUND 51. 
.FRIDAY...CLEAR. HIGHS AROUND 85. 

$$

WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
238 PM PDT TUE MAY 19 2026

.TONIGHT...PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING PARTLY CLOUDY. LOWS
36-39. 
.WEDNESDAY...SUNNY. HIGHS 61-64. 
.WEDNESDAY NIGHT...MOSTLY CLOUDY. LOWS AROUND 40. 
.THURSDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS AROUND 70. 
.THURSDAY NIGHT...MOSTLY CLEAR. LOWS 40-43. 
.FRIDAY...CLEAR. HIGHS 69-72. 

$$

DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
238 PM PDT TUE MAY 19 2026

.TONIGHT...PARTLY CLOUDY. LOWS 33-35. GUSTS UP TO 30 MPH. 
.WEDNESDAY...SUNNY. HIGHS 64-66. 
.WEDNESDAY NIGHT...MOSTLY CLOUDY. LOWS 36-38. 
.THURSDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 70-72. 
.THURSDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 40. 
.FRIDAY...SUNNY IN THE MORNING THEN BECOMING MOSTLY CLEAR. HIGHS
71-73. 

$$

CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
238 PM PDT TUE MAY 19 2026

.TONIGHT...MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING MOSTLY CLOUDY. LOWS
32-36. 
.WEDNESDAY...SUNNY. HIGHS 61-66. 
.WEDNESDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS 34-38. 
.THURSDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 66-71. 
.THURSDAY NIGHT...MOSTLY CLEAR. LOWS 36-40. 
.FRIDAY...SUNNY IN THE MORNING THEN BECOMING MOSTLY CLEAR. HIGHS
67-72. 

$$

LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
238 PM PDT TUE MAY 19 2026

.TONIGHT...MOSTLY CLEAR EARLY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 37-38. GUSTS UP TO 20 MPH EARLY IN THE EVENING. 
.WEDNESDAY...SUNNY. HIGHS 66-69. 
.WEDNESDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 40. 
.THURSDAY...SUNNY. HIGHS 72-75. 
.THURSDAY NIGHT...MOSTLY CLEAR. LOWS 41-42. 
.FRIDAY...CLEAR. HIGHS 73-76. 

$$

SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
238 PM PDT TUE MAY 19 2026

.TONIGHT...MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING MOSTLY CLOUDY. LOWS
45-47. 
.WEDNESDAY...SUNNY. HIGHS 65-71. 
.WEDNESDAY NIGHT...PARTLY CLOUDY. LOWS 46-48. 
.THURSDAY...SUNNY. HIGHS 72-78. 
.THURSDAY NIGHT...CLEAR. LOWS 50-52. 
.FRIDAY...CLEAR. HIGHS 72-79. 

$$

BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
238 PM PDT TUE MAY 19 2026

.TONIGHT...MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 44-45. 
.WEDNESDAY...SUNNY. HIGHS 74-77. 
.WEDNESDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS 46-47. 
.THURSDAY...SUNNY. HIGHS 79-82. 
.THURSDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 50. 
.FRIDAY...SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 79-83. 

$$

GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
238 PM PDT TUE MAY 19 2026

.TONIGHT...MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 38-39. 
.WEDNESDAY...SUNNY. HIGHS 73-75. 
.WEDNESDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 40. 
.THURSDAY...SUNNY. HIGHS 77-79. 
.THURSDAY NIGHT...MOSTLY CLEAR. LOWS 43-44. 
.FRIDAY...SUNNY IN THE MORNING THEN BECOMING MOSTLY CLEAR. HIGHS
AROUND 80. 

$$

WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
238 PM PDT TUE MAY 19 2026

.TONIGHT...PARTLY CLOUDY. LOWS AROUND 40. 
.WEDNESDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
67-68. 
.WEDNESDAY NIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 42-43. 
.THURSDAY...SUNNY. HIGHS AROUND 70. 
.THURSDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS 43-44. 
.FRIDAY...MOSTLY CLEAR. HIGHS 73-74. 

$$

CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
238 PM PDT TUE MAY 19 2026

.TONIGHT...MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 42-43. 
.WEDNESDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
63-65. 
.WEDNESDAY NIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 45-46. 
.THURSDAY...SUNNY. HIGHS 65-67. 
.THURSDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS 48-49. 
.FRIDAY...MOSTLY CLEAR. HIGHS AROUND 70. 

$$

VISIT US AT WWW.WEATHER.GOV/MEDFORD