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FPUS86 KMFR 162139
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
239 PM PDT SAT MAY 16 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
239 PM PDT SAT MAY 16 2026
TONIGHT
MOSTLY CLOUDY WITH A 10 PERCENT CHANCE OF RAIN
SHOWERS. LOWS AROUND 37.
SUNDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 59.
SUNDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 37.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. PATCHY
FROST IN THE MORNING. HIGHS AROUND 67.
MONDAY NIGHT
CLEAR. LOWS AROUND 40.
TUESDAY
MOSTLY CLEAR. HIGHS AROUND 70.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
239 PM PDT SAT MAY 16 2026
TONIGHT
MOSTLY CLOUDY. LOWS AROUND 38.
SUNDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 54.
SUNDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 38-39.
MONDAY
SUNNY. HIGHS AROUND 64.
MONDAY NIGHT
CLEAR. LOWS AROUND 43.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING MOSTLY CLEAR. HIGHS
67-68.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
239 PM PDT SAT MAY 16 2026
TONIGHT
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY LATE IN THE
EVENING THEN BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY
WELL AFTER MIDNIGHT. LOWS AROUND 38.
SUNDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 64.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 38.
MONDAY
SUNNY. HIGHS AROUND 73.
MONDAY NIGHT
CLEAR. LOWS AROUND 42.
TUESDAY
MOSTLY CLEAR. HIGHS AROUND 76.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
239 PM PDT SAT MAY 16 2026
TONIGHT
MOSTLY CLOUDY. SNOW SHOWERS LIKELY IN THE EVENING,
THEN CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WIDESPREAD FROST
AFTER MIDNIGHT. SNOW ACCUMULATION OF 1 TO 2 INCHES. LOWS AROUND
30. CHANCE OF SNOW 60 PERCENT.
SUNDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS 46-47.
SUNDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WIDESPREAD FROST AFTER MIDNIGHT. LOWS AROUND 30.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
54-56.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 31-34.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING MOSTLY CLEAR. HIGHS
AROUND 60.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
239 PM PDT SAT MAY 16 2026
TONIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW
SHOWERS. LOWS 23-25.
SUNDAY
SUNNY. HIGHS AROUND 50.
SUNDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WIDESPREAD FROST AFTER MIDNIGHT. LOWS 25-27.
MONDAY
SUNNY. HIGHS 56-58.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 30.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING MOSTLY CLEAR. HIGHS
60-63.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
239 PM PDT SAT MAY 16 2026
TONIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW
SHOWERS. LOWS 22-26.
SUNDAY
SUNNY. HIGHS 46-51.
SUNDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WIDESPREAD FROST AFTER MIDNIGHT. LOWS 24-28.
MONDAY
SUNNY. HIGHS 53-58.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 27-31.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING MOSTLY CLEAR. HIGHS
57-62.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
239 PM PDT SAT MAY 16 2026
TONIGHT
MOSTLY CLOUDY. WIDESPREAD FROST AFTER MIDNIGHT. LOWS
27-29. GUSTS UP TO 25 MPH IN THE EVENING.
SUNDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS 52-55.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS AROUND 30.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS 59-62.
MONDAY NIGHT
CLEAR. LOWS 32-34.
TUESDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS 63-66.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
239 PM PDT SAT MAY 16 2026
TONIGHT
PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS 34-36. NORTH WINDS AROUND 20 MPH WITH GUSTS
TO AROUND 35 MPH.
SUNDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
50-56. NORTH WINDS AROUND 20 MPH IN THE MORNING BECOMING LIGHT.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT. LOWS
33-35. NORTHWEST WINDS AROUND 20 MPH IN THE EVENING BECOMING
LIGHT.
MONDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS 59-65.
MONDAY NIGHT
CLEAR. LOWS AROUND 40.
TUESDAY
CLEAR. HIGHS 63-69.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
239 PM PDT SAT MAY 16 2026
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 32-33. NORTH WINDS AROUND 20 MPH WITH GUSTS TO
AROUND 35 MPH.
SUNDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
56-60. NORTH WINDS AROUND 20 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS 32-34.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS 65-69.
MONDAY NIGHT
CLEAR. LOWS 38-39.
TUESDAY
CLEAR. HIGHS 71-74.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
239 PM PDT SAT MAY 16 2026
TONIGHT
PARTLY CLOUDY. WIDESPREAD FROST AFTER MIDNIGHT. LOWS
27-28. GUSTS UP TO 30 MPH DECREASING TO 20 MPH AFTER MIDNIGHT.
SUNDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
WIDESPREAD FROST IN THE MORNING. HIGHS 57-59. NORTHEAST WINDS
AROUND 20 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS 28-29.
MONDAY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS 65-66.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 32-33.
TUESDAY
CLEAR. HIGHS AROUND 70.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
239 PM PDT SAT MAY 16 2026
TONIGHT
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF SNOW SHOWERS
AFTER MIDNIGHT. LOWS AROUND 30.
SUNDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW SHOWERS
IN THE MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS 47-48. NORTH
WINDS AROUND 20 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 30. NORTH WINDS AROUND 20 MPH IN THE EVENING BECOMING
LIGHT.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
57-58.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 33.
TUESDAY
SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 64-65.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
239 PM PDT SAT MAY 16 2026
TONIGHT
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF SNOW SHOWERS
AFTER MIDNIGHT. LOWS 32-33. NORTHWEST WINDS AROUND 20 MPH WITH
GUSTS TO AROUND 40 MPH IN THE EVENING BECOMING LIGHT.
SUNDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW SHOWERS
IN THE MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS 44-45. NORTH
WINDS AROUND 20 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 31-32. NORTH WINDS 20 TO
25 MPH.
MONDAY
SUNNY. HIGHS 53-55.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING CLEAR.
LOWS 36-37.
TUESDAY
SUNNY THEN BECOMING MOSTLY CLEAR. HIGHS AROUND 60.
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