490
FPUS86 KMFR 200940
TVLMFR
FORECAST FOR MOUNTAIN PASSES
NATIONAL WEATHER SERVICE MEDFORD, OR
240 AM PDT MON APR 20 2026
CANYON CREEK PASS-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81
240 AM PDT MON APR 20 2026
TODAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN RAIN
IN THE AFTERNOON. HIGHS AROUND 64. CHANCE OF RAIN 80 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH RAIN. LOWS AROUND 43. CHANCE OF
RAIN 80 PERCENT.
TUESDAY
CLOUDY. RAIN LIKELY IN THE MORNING, THEN RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND
51. CHANCE OF PRECIPITATION 90 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT.
LOWS AROUND 43. CHANCE OF PRECIPITATION 80 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING, THEN RAIN
IN THE AFTERNOON. CHANCE OF RAIN IN THE EVENING. HIGHS AROUND 52.
CHANCE OF RAIN 80 PERCENT.
SEXTON SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69
240 AM PDT MON APR 20 2026
TODAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN RAIN
LIKELY IN THE AFTERNOON. HIGHS 55-56. CHANCE OF RAIN 60 PERCENT.
TONIGHT
RAIN IN THE EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
LOWS 43-44. CHANCE OF RAIN 80 PERCENT.
TUESDAY
RAIN LIKELY IN THE MORNING, THEN RAIN SHOWERS AND
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 53-54. CHANCE OF
PRECIPITATION 90 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 36-37. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
RAIN LIKELY IN THE AFTERNOON. CHANCE OF RAIN IN THE EVENING.
HIGHS 44-45. CHANCE OF RAIN 70 PERCENT.
HAYES HILL SUMMIT-
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16
240 AM PDT MON APR 20 2026
TODAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING, THEN RAIN IN
THE AFTERNOON. HIGHS AROUND 59. CHANCE OF RAIN 80 PERCENT.
TONIGHT
MOSTLY CLOUDY. RAIN IN THE EVENING, THEN RAIN LIKELY
AFTER MIDNIGHT. LOWS AROUND 43. CHANCE OF RAIN 80 PERCENT.
TUESDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING, THEN RAIN
SHOWERS AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
AROUND 54. CHANCE OF PRECIPITATION 90 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT.
LOWS AROUND 41. CHANCE OF PRECIPITATION 80 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
RAIN LIKELY IN THE AFTERNOON. CHANCE OF RAIN IN THE EVENING.
HIGHS AROUND 53. CHANCE OF RAIN 70 PERCENT.
WILLAMETTE PASS-
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62
240 AM PDT MON APR 20 2026
TODAY
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS 57-59.
TONIGHT
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS 38-39. CHANCE OF
RAIN 70 PERCENT.
TUESDAY
RAIN LIKELY IN THE MORNING, THEN RAIN SHOWERS, SNOW
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. NO
SNOW ACCUMULATION. HIGHS AROUND 44. CHANCE OF PRECIPITATION
90 PERCENT.
TUESDAY NIGHT
RAIN AND SNOW. LOWS 33-35. CHANCE OF
PRECIPITATION 80 PERCENT.
WEDNESDAY
SNOW THROUGH THE DAY. RAIN IN THE AFTERNOON, THEN
SLIGHT CHANCE OF RAIN IN THE EVENING. HIGHS AROUND 40. CHANCE OF
PRECIPITATION 80 PERCENT.
DIAMOND LAKE SUMMIT-
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83
240 AM PDT MON APR 20 2026
TODAY
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS 56-59. SOUTHEAST WINDS AROUND 20 MPH LATE IN THE
MORNING BECOMING LIGHT.
TONIGHT
RAIN LIKELY IN THE EVENING, THEN RAIN AND SNOW AFTER
MIDNIGHT. NO SNOW ACCUMULATION. LOWS 36-37. CHANCE OF
PRECIPITATION 80 PERCENT.
TUESDAY
RAIN AND SNOW IN THE MORNING, THEN RAIN SHOWERS, SNOW
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
LITTLE OR NO SNOW ACCUMULATION. HIGHS 40-42. CHANCE OF
PRECIPITATION 80 PERCENT.
TUESDAY NIGHT
RAIN AND SNOW IN THE EVENING, THEN SNOW AFTER
MIDNIGHT. LOWS AROUND 30. CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY
SNOW, THEN SNOW LIKELY IN THE EVENING. HIGHS 36-40.
WEST WINDS AROUND 20 MPH BECOMING LIGHT. CHANCE OF SNOW
90 PERCENT.
CRATER LAKE-
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65
240 AM PDT MON APR 20 2026
TODAY
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS 50-54. SOUTHEAST WINDS 20 TO 25 MPH WITH GUSTS
TO AROUND 40 MPH.
TONIGHT
RAIN AND SNOW IN THE EVENING, THEN RAIN AND SNOW
LIKELY AFTER MIDNIGHT. NO SNOW ACCUMULATION. LOWS 34-35. CHANCE
OF PRECIPITATION 80 PERCENT.
TUESDAY
RAIN AND SNOW IN THE MORNING, THEN RAIN SHOWERS, SNOW
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
LITTLE OR NO SNOW ACCUMULATION. HIGHS 39-42. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
TUESDAY NIGHT
RAIN AND SNOW IN THE EVENING, THEN SNOW AFTER
MIDNIGHT. LOWS 27-32. CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY
SNOW LIKELY IN THE MORNING, THEN SNOW IN THE
AFTERNOON. SNOW LIKELY IN THE EVENING. HIGHS 33-38. WEST WINDS
AROUND 20 MPH BECOMING LIGHT. CHANCE OF SNOW 90 PERCENT.
LAKE OF THE WOODS-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33
240 AM PDT MON APR 20 2026
TODAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY EARLY IN THE
AFTERNOON THEN BECOMING MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN
THE AFTERNOON. NO SNOW ACCUMULATION. HIGHS 52-55. SOUTHEAST WINDS
AROUND 20 MPH LATE IN THE MORNING BECOMING LIGHT. CHANCE OF
PRECIPITATION 60 PERCENT.
TONIGHT
RAIN AND SNOW. NO SNOW ACCUMULATION. LOWS 36-37.
CHANCE OF PRECIPITATION 80 PERCENT.
TUESDAY
RAIN AND SNOW IN THE MORNING, THEN RAIN SHOWERS, SNOW
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. NO SNOW
ACCUMULATION. HIGHS 43-44. CHANCE OF PRECIPITATION 80 PERCENT.
TUESDAY NIGHT
SHOWERS, SNOW AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN RAIN AND SNOW LIKELY AFTER MIDNIGHT. LOWS
32-33. CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY
SNOW LIKELY IN THE MORNING, THEN RAIN AND SNOW IN
THE AFTERNOON. CHANCE OF RAIN AND SNOW IN THE EVENING. HIGHS
39-42. CHANCE OF PRECIPITATION 80 PERCENT.
SISKIYOU SUMMIT-
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4
240 AM PDT MON APR 20 2026
TODAY
MOSTLY CLOUDY. RAIN LIKELY IN THE AFTERNOON. HIGHS
50-55. SOUTH WINDS 20 TO 25 MPH IN THE LATE MORNING AND
AFTERNOON. CHANCE OF RAIN 60 PERCENT.
TONIGHT
MOSTLY CLOUDY. RAIN IN THE EVENING, THEN RAIN AND SNOW
LIKELY AFTER MIDNIGHT. NO SNOW ACCUMULATION. LOWS 38-39. CHANCE
OF PRECIPITATION 80 PERCENT.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE MORNING,
THEN RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. NO SNOW ACCUMULATION. HIGHS AROUND 50. CHANCE OF
PRECIPITATION 90 PERCENT.
TUESDAY NIGHT
CLOUDY. SHOWERS, SNOW AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AND SNOW AFTER
MIDNIGHT. LOWS 34-37. CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE
MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS 42-49.
CHANCE OF PRECIPITATION 30 PERCENT.
BLACK BUTTE SUMMIT-
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742
240 AM PDT MON APR 20 2026
TODAY
PARTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW IN THE
MORNING, THEN MOSTLY CLOUDY WITH RAIN AND SNOW LIKELY IN THE
AFTERNOON. NO SNOW ACCUMULATION. HIGHS 50-53. SOUTHEAST WINDS
20 TO 25 MPH WITH GUSTS TO AROUND 40 MPH. CHANCE OF PRECIPITATION
70 PERCENT.
TONIGHT
RAIN IN THE EVENING, THEN RAIN AND SNOW AFTER
MIDNIGHT. NO SNOW ACCUMULATION. LOWS 36-37. CHANCE OF
PRECIPITATION 90 PERCENT.
TUESDAY
RAIN AND SNOW IN THE MORNING, THEN RAIN SHOWERS, SNOW
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. NO SNOW
ACCUMULATION. HIGHS 44-46. CHANCE OF PRECIPITATION 80 PERCENT.
TUESDAY NIGHT
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN RAIN AND SNOW LIKELY AFTER MIDNIGHT. LOWS
35-38. CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN. HIGHS
45-51.
GRASS LAKE/MT HEBRON SUMMIT-
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20
240 AM PDT MON APR 20 2026
TODAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN MOSTLY CLOUDY WITH RAIN LIKELY IN THE AFTERNOON.
HIGHS 53-56. SOUTH WINDS AROUND 20 MPH WITH GUSTS TO AROUND
35 MPH IN THE LATE MORNING AND AFTERNOON. CHANCE OF RAIN
60 PERCENT.
TONIGHT
RAIN AND SNOW. NO SNOW ACCUMULATION. LOWS AROUND 36.
CHANCE OF PRECIPITATION 80 PERCENT.
TUESDAY
CLOUDY. RAIN AND SNOW LIKELY IN THE MORNING, THEN RAIN
SHOWERS, SNOW AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. NO SNOW ACCUMULATION. HIGHS AROUND 46. CHANCE OF
PRECIPITATION 90 PERCENT.
TUESDAY NIGHT
CLOUDY. SHOWERS, SNOW AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW LIKELY AFTER
MIDNIGHT. LOWS 33-35. CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN
CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS 47-49. CHANCE OF
PRECIPITATION 50 PERCENT.
WARNER MOUNTAIN SUMMIT-
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4
240 AM PDT MON APR 20 2026
TODAY
PARTLY CLOUDY THEN BECOMING SUNNY IN THE LATE MORNING
AND EARLY AFTERNOON THEN BECOMING PARTLY CLOUDY. HIGHS 61-62.
SOUTH WINDS AROUND 20 MPH WITH GUSTS TO AROUND 35 MPH IN THE LATE
MORNING AND AFTERNOON.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY WITH
A 30 PERCENT CHANCE OF RAIN AFTER MIDNIGHT. LOWS AROUND 37.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE MORNING,
THEN RAIN IN THE AFTERNOON. NO SNOW ACCUMULATION. HIGHS 43-44.
CHANCE OF PRECIPITATION 80 PERCENT.
TUESDAY NIGHT
RAIN AND SNOW. LOWS 32-33. CHANCE OF
PRECIPITATION 90 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING, THEN
CHANCE OF SNOW IN THE AFTERNOON AND EVENING. CHANCE OF RAIN IN
THE EVENING. HIGHS 40-42. WEST WINDS AROUND 20 MPH IN THE
AFTERNOON BECOMING LIGHT. CHANCE OF PRECIPITATION 70 PERCENT.
CEDAR PASS-
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51
240 AM PDT MON APR 20 2026
TODAY
PARTLY CLOUDY EARLY IN THE MORNING THEN CLEARING. HIGHS
57-58. SOUTHEAST WINDS 20 TO 25 MPH SHIFTING TO THE SOUTH LATE IN
THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. RAIN AND SNOW LIKELY AFTER MIDNIGHT.
LOWS AROUND 36. SOUTHWEST WINDS AROUND 20 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
TUESDAY
RAIN AND SNOW LIKELY IN THE MORNING, THEN RAIN AND
SNOW IN THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS
41-42. SOUTH WINDS AROUND 20 MPH IN THE MORNING BECOMING LIGHT.
CHANCE OF PRECIPITATION 90 PERCENT.
TUESDAY NIGHT
RAIN AND SNOW IN THE EVENING, THEN SNOW AFTER
MIDNIGHT. LOWS 31-32. WEST WINDS 20 TO 25 MPH AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. SNOW IN THE MORNING, THEN CHANCE OF
SNOW IN THE AFTERNOON AND EVENING. HIGHS 36-39. WEST WINDS AROUND
20 MPH BECOMING LIGHT. CHANCE OF SNOW 80 PERCENT.
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