923
FPUS86 KMFR 302138
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
238 PM PDT SUN AUG 30 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
238 PM PDT SUN AUG 30 2026
TONIGHT
CLEAR. LOWS AROUND 50.
MONDAY
SUNNY. HIGHS AROUND 85.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 51.
TUESDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS AROUND 73.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN. LOWS AROUND 50.
WEDNESDAY
CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN RAIN
LIKELY IN THE AFTERNOON. RAIN IN THE EVENING. HIGHS AROUND 66.
CHANCE OF RAIN 90 PERCENT.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
238 PM PDT SUN AUG 30 2026
TONIGHT
CLEAR. LOWS 52-53.
MONDAY
SUNNY. HIGHS AROUND 80.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 53-54.
TUESDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS 66-67.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN. LOWS AROUND 52.
WEDNESDAY
CHANCE OF RAIN IN THE MORNING, THEN RAIN LIKELY IN
THE AFTERNOON. RAIN IN THE EVENING. HIGHS AROUND 60. CHANCE OF
RAIN 90 PERCENT.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
238 PM PDT SUN AUG 30 2026
TONIGHT
CLEAR. LOWS AROUND 49.
MONDAY
SUNNY. HIGHS AROUND 89.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 48.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A 20 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS AROUND 75.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.
LOWS AROUND 49.
WEDNESDAY
CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN RAIN
LIKELY IN THE AFTERNOON. RAIN IN THE EVENING. HIGHS AROUND 68.
CHANCE OF RAIN 90 PERCENT.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
238 PM PDT SUN AUG 30 2026
TONIGHT
MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY LATE IN THE
EVENING THEN BECOMING MOSTLY CLEAR. LOWS 45-48.
MONDAY
SUNNY. HIGHS 73-78.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 44-47.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A 30 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 60-65.
TUESDAY NIGHT
RAIN LIKELY. LOWS 41-42. CHANCE OF RAIN
60 PERCENT.
WEDNESDAY
CHANCE OF RAIN IN THE MORNING, THEN RAIN IN THE
AFTERNOON AND EVENING. HIGHS 49-54. CHANCE OF RAIN 80 PERCENT.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
238 PM PDT SUN AUG 30 2026
TONIGHT
MOSTLY CLEAR. LOWS 42-44.
MONDAY
SUNNY. HIGHS 74-77.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 40-43.
TUESDAY
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 61-64.
TUESDAY NIGHT
RAIN LIKELY. LOWS 37-39. CHANCE OF RAIN
60 PERCENT.
WEDNESDAY
CHANCE OF RAIN IN THE MORNING, THEN RAIN LIKELY IN
THE AFTERNOON. RAIN IN THE EVENING. HIGHS 50-53. SOUTHWEST WINDS
20 TO 25 MPH BECOMING LIGHT. CHANCE OF RAIN 90 PERCENT.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
238 PM PDT SUN AUG 30 2026
TONIGHT
CLEAR. LOWS 40-42.
MONDAY
SUNNY. HIGHS 71-77.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 38-39.
TUESDAY
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 59-65.
TUESDAY NIGHT
MOSTLY CLOUDY. RAIN LIKELY IN THE EVENING, THEN
CHANCE OF RAIN AFTER MIDNIGHT. LOWS 35-36. CHANCE OF RAIN
60 PERCENT.
WEDNESDAY
CHANCE OF RAIN IN THE MORNING, THEN RAIN LIKELY IN
THE AFTERNOON. RAIN IN THE EVENING. HIGHS 48-54. SOUTHWEST WINDS
AROUND 20 MPH BECOMING LIGHT. CHANCE OF RAIN 90 PERCENT.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
238 PM PDT SUN AUG 30 2026
TONIGHT
CLEAR. LOWS 45-47.
MONDAY
SUNNY. HIGHS AROUND 80.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 43-46.
TUESDAY
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
30 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 64-67.
TUESDAY NIGHT
MOSTLY CLOUDY. RAIN LIKELY IN THE EVENING, THEN
CHANCE OF RAIN AFTER MIDNIGHT. LOWS 40-42. CHANCE OF RAIN
60 PERCENT.
WEDNESDAY
CHANCE OF RAIN IN THE MORNING, THEN RAIN LIKELY IN
THE AFTERNOON. RAIN IN THE EVENING. HIGHS 55-58. CHANCE OF RAIN
80 PERCENT.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
238 PM PDT SUN AUG 30 2026
TONIGHT
CLEAR. LOWS 52-54.
MONDAY
SUNNY. HIGHS 76-83.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 51-52.
TUESDAY
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
30 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 63-70.
TUESDAY NIGHT
MOSTLY CLOUDY. RAIN LIKELY IN THE EVENING, THEN
CHANCE OF RAIN AFTER MIDNIGHT. LOWS 46-48. CHANCE OF RAIN
70 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN, THEN RAIN LIKELY IN
THE EVENING. HIGHS 54-61. CHANCE OF RAIN 60 PERCENT.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
238 PM PDT SUN AUG 30 2026
TONIGHT
CLEAR. LOWS 49-53.
MONDAY
SUNNY. PATCHY SMOKE IN THE AFTERNOON. HIGHS AROUND 80.
SOUTHEAST WINDS AROUND 20 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 45-49.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 64-68. SOUTH WINDS AROUND 20 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
LOWS 42-45.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN, THEN RAIN LIKELY IN
THE EVENING. HIGHS AROUND 60. SOUTH WINDS AROUND 20 MPH IN THE
AFTERNOON BECOMING LIGHT. CHANCE OF RAIN 60 PERCENT.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
238 PM PDT SUN AUG 30 2026
TONIGHT
CLEAR. LOWS 43-44.
MONDAY
SUNNY. PATCHY SMOKE IN THE AFTERNOON. HIGHS AROUND 80.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 40.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 68-69.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.
LOWS 36-37.
WEDNESDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.
HIGHS AROUND 60.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
238 PM PDT SUN AUG 30 2026
TONIGHT
MOSTLY CLEAR. LOWS 46-47.
MONDAY
SUNNY. HIGHS AROUND 80.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 47-49.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 70. SOUTHWEST WINDS AROUND 20 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS 41-43. SOUTHWEST WINDS
AROUND 20 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
EVENING. HIGHS AROUND 60. SOUTHWEST WINDS AROUND 20 MPH.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
238 PM PDT SUN AUG 30 2026
TONIGHT
MOSTLY CLEAR. LOWS 48-49.
MONDAY
SUNNY. HIGHS 75-78.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 48. WEST WINDS AROUND
20 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 65-68. SOUTHWEST WINDS AROUND 20 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 43.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 56-59. SOUTHWEST WINDS AROUND 20 MPH IN THE
AFTERNOON BECOMING LIGHT.
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