169
FPUS86 KMFR 182139
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
238 PM PDT THU JUN 18 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
238 PM PDT THU JUN 18 2026
TONIGHT
MOSTLY CLEAR. LOWS AROUND 53.
JUNETEENTH
SUNNY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
HIGHS AROUND 83.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 49.
SATURDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS AROUND 77.
SATURDAY NIGHT
CLEAR. LOWS AROUND 46.
SUNDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS AROUND
82.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
238 PM PDT THU JUN 18 2026
TONIGHT
CLEAR. LOWS 56-57.
JUNETEENTH
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS AROUND 80.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
54-55.
SATURDAY
SUNNY. HIGHS AROUND 75.
SATURDAY NIGHT
CLEAR. LOWS AROUND 50.
SUNDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS AROUND
80.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
238 PM PDT THU JUN 18 2026
TONIGHT
CLEAR. LOWS AROUND 55.
JUNETEENTH
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS AROUND 86.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 52.
SATURDAY
SUNNY. HIGHS AROUND 84.
SATURDAY NIGHT
CLEAR. LOWS AROUND 49.
SUNDAY
SUNNY IN THE MORNING THEN BECOMING CLEAR. HIGHS AROUND
88.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
238 PM PDT THU JUN 18 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN CLEARING. LOWS
AROUND 50.
JUNETEENTH
SUNNY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
HIGHS 74-78.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 44-47.
SATURDAY
SUNNY. HIGHS 66-69.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SUNDAY
CLEAR. HIGHS 71-75.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
238 PM PDT THU JUN 18 2026
TONIGHT
MOSTLY CLEAR. LOWS 45-48.
JUNETEENTH
SUNNY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
HIGHS 76-78.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 41-44.
SATURDAY
SUNNY. HIGHS AROUND 70.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 36-38.
SUNDAY
CLEAR. HIGHS 74-76.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
238 PM PDT THU JUN 18 2026
TONIGHT
MOSTLY CLEAR. LOWS 44-48.
JUNETEENTH
SUNNY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
HIGHS 72-76.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 40-44.
SATURDAY
SUNNY. HIGHS 66-70.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 35-39.
SUNDAY
CLEAR. HIGHS 71-76.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
238 PM PDT THU JUN 18 2026
TONIGHT
CLEAR. LOWS AROUND 50.
JUNETEENTH
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS 75-78.
FRIDAY NIGHT
MOSTLY CLOUDY WITH ISOLATED THUNDERSTORMS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 45-47.
SATURDAY
SUNNY. HIGHS 70-73.
SATURDAY NIGHT
CLEAR. LOWS 41-43.
SUNDAY
CLEAR. HIGHS AROUND 80.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
238 PM PDT THU JUN 18 2026
TONIGHT
CLEAR. LOWS 57-59.
JUNETEENTH
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
SCATTERED THUNDERSTORMS IN THE AFTERNOON. HIGHS 74-81. CHANCE OF
THUNDERSTORMS 30 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH ISOLATED THUNDERSTORMS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 55-57.
SATURDAY
SUNNY. HIGHS 71-78.
SATURDAY NIGHT
CLEAR. LOWS AROUND 50.
SUNDAY
CLEAR. HIGHS 75-82.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
238 PM PDT THU JUN 18 2026
TONIGHT
PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING PARTLY CLOUDY. ISOLATED
THUNDERSTORMS IN THE EVENING. LOWS 56-59.
JUNETEENTH
MOSTLY CLOUDY. ISOLATED THUNDERSTORMS IN THE
MORNING, THEN SCATTERED THUNDERSTORMS IN THE AFTERNOON. HIGHS
77-82. CHANCE OF THUNDERSTORMS 40 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS IN THE
EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS 52-54. CHANCE OF
THUNDERSTORMS 40 PERCENT.
SATURDAY
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A
30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 77-81.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS IN THE EVENING, THEN CLEAR AFTER MIDNIGHT. LOWS 49-52.
SUNDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 82-86.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
238 PM PDT THU JUN 18 2026
TONIGHT
PARTLY CLOUDY EARLY IN THE EVENING THEN CLEARING.
ISOLATED THUNDERSTORMS IN THE EVENING. LOWS AROUND 52.
JUNETEENTH
MOSTLY CLOUDY. ISOLATED THUNDERSTORMS IN THE
MORNING, THEN NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS IN THE
AFTERNOON. HIGHS AROUND 80. CHANCE OF PRECIPITATION 60 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS IN THE
EVENING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS 47-48. CHANCE OF PRECIPITATION 30 PERCENT.
SATURDAY
SUNNY. HIGHS 77-78.
SATURDAY NIGHT
CLEAR. LOWS AROUND 44.
SUNDAY
CLEAR. HIGHS 81-82.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
238 PM PDT THU JUN 18 2026
TONIGHT
PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
MOSTLY CLEAR. LOWS AROUND 54.
JUNETEENTH
MOSTLY CLOUDY. ISOLATED THUNDERSTORMS IN THE
MORNING, THEN SCATTERED THUNDERSTORMS IN THE AFTERNOON. HIGHS
77-78. CHANCE OF THUNDERSTORMS 40 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY. SCATTERED THUNDERSTORMS IN THE
EVENING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 50. CHANCE OF
PRECIPITATION 30 PERCENT.
SATURDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS 74-75.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 46.
SUNDAY
CLEAR. HIGHS 77-78.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
238 PM PDT THU JUN 18 2026
TONIGHT
MOSTLY CLEAR. LOWS 57-58.
JUNETEENTH
MOSTLY CLOUDY. SCATTERED THUNDERSTORMS IN THE
MORNING, THEN NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS IN THE
AFTERNOON. HIGHS 70-72. CHANCE OF PRECIPITATION 60 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 52.
CHANCE OF THUNDERSTORMS 30 PERCENT.
SATURDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
HIGHS AROUND 70.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 50.
SUNDAY
CLEAR. HIGHS 73-76.
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