603
FPUS86 KMFR 060058
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
558 PM PDT SAT SEP 5 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
558 PM PDT SAT SEP 5 2026
TONIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS. LOWS AROUND 48.
CHANCE OF SHOWERS 30 PERCENT.
SUNDAY
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS AROUND 64. CHANCE OF PRECIPITATION
40 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. ISOLATED SHOWERS IN THE EVENING.
PATCHY FOG AFTER MIDNIGHT. LOWS AROUND 46.
LABOR DAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. PATCHY
FOG IN THE MORNING. HIGHS AROUND 70.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 48.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 77.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
558 PM PDT SAT SEP 5 2026
TONIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SCATTERED SHOWERS AFTER MIDNIGHT. LOWS 47-48.
CHANCE OF PRECIPITATION 20 PERCENT.
SUNDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS. HIGHS
AROUND 60. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 46.
LABOR DAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS AROUND 66. LOWS
46-49.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
73-74.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
558 PM PDT SAT SEP 5 2026
TONIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN ISOLATED SHOWERS AFTER MIDNIGHT. LOWS AROUND 46.
CHANCE OF PRECIPITATION 20 PERCENT.
SUNDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS. HIGHS
AROUND 69. CHANCE OF PRECIPITATION 30 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS AROUND 47.
LABOR DAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS AROUND 75. LOWS
47-48.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLEAR. HIGHS AROUND 83.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
558 PM PDT SAT SEP 5 2026
TONIGHT
NUMEROUS RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN
THE EVENING, THEN NUMEROUS RAIN SHOWERS AFTER MIDNIGHT. LOWS
39-42. CHANCE OF PRECIPITATION 70 PERCENT.
SUNDAY
MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS AND SCATTERED
THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS AND SCATTERED
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 50. CHANCE OF
PRECIPITATION 80 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN THE
EVENING. PATCHY FOG IN THE EVENING. LOWS 41-42. CHANCE OF SHOWERS
40 PERCENT.
LABOR DAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
57-59.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 39-43.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
66-69.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
558 PM PDT SAT SEP 5 2026
TONIGHT
CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS AFTER MIDNIGHT.
LOWS 35-37. CHANCE OF PRECIPITATION 80 PERCENT.
SUNDAY
MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS AND SCATTERED
THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS AND SCATTERED
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 50. CHANCE OF
PRECIPITATION 90 PERCENT.
SUNDAY NIGHT
PATCHY FOG IN THE EVENING. MOSTLY CLOUDY WITH
SCATTERED RAIN SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 37-38. CHANCE OF SHOWERS 30 PERCENT.
LABOR DAY
SUNNY. PATCHY FOG IN THE MORNING. HIGHS AROUND 60.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 35-38.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS AROUND 70.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
558 PM PDT SAT SEP 5 2026
TONIGHT
CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS AFTER MIDNIGHT.
LOWS 34-36. CHANCE OF PRECIPITATION 80 PERCENT.
SUNDAY
NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS IN
THE MORNING, THEN RAIN SHOWERS AND SCATTERED THUNDERSTORMS IN THE
AFTERNOON. HIGHS 46-52. CHANCE OF PRECIPITATION 80 PERCENT.
SUNDAY NIGHT
PATCHY FOG IN THE EVENING. MOSTLY CLOUDY WITH
ISOLATED RAIN SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 38-39.
LABOR DAY
SUNNY. PATCHY FOG IN THE MORNING. HIGHS 56-61.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 36-38.
TUESDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. HIGHS 64-69.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
558 PM PDT SAT SEP 5 2026
TONIGHT
MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS AFTER
MIDNIGHT. LOWS 40-42. CHANCE OF PRECIPITATION 70 PERCENT.
SUNDAY
RAIN SHOWERS AND SCATTERED THUNDERSTORMS IN THE
MORNING, THEN NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS
IN THE AFTERNOON. HIGHS 52-55. CHANCE OF PRECIPITATION
80 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY WITH ISOLATED RAIN SHOWERS IN THE
EVENING, THEN CLEAR AFTER MIDNIGHT. LOWS AROUND 38.
LABOR DAY
SUNNY. HIGHS 60-63.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 40-43.
TUESDAY
PARTLY CLOUDY. HIGHS 70-72.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
558 PM PDT SAT SEP 5 2026
TONIGHT
MOSTLY CLOUDY WITH NUMEROUS SHOWERS. LOWS 44-47.
CHANCE OF SHOWERS 60 PERCENT.
SUNDAY
NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS. HIGHS
53-59. CHANCE OF PRECIPITATION 60 PERCENT.
SUNDAY NIGHT
MOSTLY CLEAR. ISOLATED RAIN SHOWERS IN THE
EVENING. LOWS 42-43.
LABOR DAY
SUNNY. HIGHS 60-66.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 46-48.
TUESDAY
PARTLY CLOUDY. HIGHS 68-74.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
558 PM PDT SAT SEP 5 2026
TONIGHT
MOSTLY CLOUDY WITH ISOLATED SHOWERS. LOWS 44-46.
CHANCE OF SHOWERS 20 PERCENT.
SUNDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS IN THE MORNING, THEN NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60. CHANCE OF
PRECIPITATION 70 PERCENT.
SUNDAY NIGHT
MOSTLY CLEAR. ISOLATED RAIN SHOWERS IN THE
EVENING. LOWS 42-43.
LABOR DAY
SUNNY. HIGHS 66-68.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 45-48.
TUESDAY
PARTLY CLOUDY. HIGHS 72-75.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
558 PM PDT SAT SEP 5 2026
TONIGHT
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE EVENING,
THEN SCATTERED RAIN SHOWERS AFTER MIDNIGHT. LOWS AROUND 38.
CHANCE OF SHOWERS 20 PERCENT.
SUNDAY
MOSTLY CLOUDY WITH RAIN SHOWERS AND SCATTERED
THUNDERSTORMS. HIGHS AROUND 60. CHANCE OF PRECIPITATION
80 PERCENT.
SUNDAY NIGHT
MOSTLY CLEAR. ISOLATED RAIN SHOWERS IN THE
EVENING. LOWS AROUND 40.
LABOR DAY
SUNNY. HIGHS 66-68.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 39.
TUESDAY
SUNNY THEN BECOMING PARTLY CLOUDY IN THE AFTERNOON
THEN BECOMING MOSTLY CLEAR. HIGHS 73-75.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
558 PM PDT SAT SEP 5 2026
TONIGHT
MOSTLY CLEAR THEN BECOMING MOSTLY CLOUDY LATE IN THE
EVENING THEN BECOMING PARTLY CLOUDY. LOWS 41-42.
SUNDAY
MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS 54-56. CHANCE OF PRECIPITATION 30 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE EVENING. LOWS 35-36. CHANCE OF
PRECIPITATION 40 PERCENT.
LABOR DAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
60-62.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
TUESDAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON
THEN BECOMING PARTLY CLOUDY. HIGHS 67-69.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
558 PM PDT SAT SEP 5 2026
TONIGHT
MOSTLY CLEAR. LOWS AROUND 41.
SUNDAY
PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS IN THE MORNING, THEN MOSTLY CLOUDY WITH NUMEROUS
RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS
51-53. CHANCE OF PRECIPITATION 70 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. SCATTERED RAIN SHOWERS IN THE
EVENING. LOWS AROUND 38. CHANCE OF SHOWERS 40 PERCENT.
LABOR DAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
57-59.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 43.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
64-66.
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