188 FPUS86 KMFR 152139 TVLMFR FORECAST FOR MOUNTAIN PASSES NATIONAL WEATHER SERVICE MEDFORD, OR 239 PM PDT WED APR 15 2026 $$ CANYON CREEK PASS- LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81 239 PM PDT WED APR 15 2026 .TONIGHT...MOSTLY CLOUDY. RAIN SHOWERS, SNOW SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. LOWS AROUND 31. CHANCE OF PRECIPITATION 70 PERCENT. .THURSDAY...MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS AROUND 51. .THURSDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 29. .FRIDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS AROUND 62. .FRIDAY NIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY CLOUDY. LOWS AROUND 38. .SATURDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE EVENING. HIGHS AROUND 67. $$ SEXTON SUMMIT- LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69 239 PM PDT WED APR 15 2026 .TONIGHT...PARTLY CLOUDY WITH SNOW SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF SNOW AFTER MIDNIGHT. WIDESPREAD FROST AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. LOWS 24-25. CHANCE OF PRECIPITATION 60 PERCENT. .THURSDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. WIDESPREAD FROST IN THE MORNING. HIGHS 45-46. .THURSDAY NIGHT...MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT. LOWS AROUND 30. .FRIDAY...PARTLY CLOUDY. WIDESPREAD FROST IN THE MORNING. HIGHS 56-57. .FRIDAY NIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY CLOUDY. LOWS AROUND 40. .SATURDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY. HIGHS 61-62. $$ HAYES HILL SUMMIT- LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16 239 PM PDT WED APR 15 2026 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM PDT THURSDAY... ...FREEZE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY MORNING... .TONIGHT...PARTLY CLOUDY. A 40 PERCENT CHANCE OF RAIN AND SNOW IN THE EVENING. WIDESPREAD FROST THROUGH THE NIGHT. LOWS AROUND 31. .THURSDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. WIDESPREAD FROST IN THE MORNING. HIGHS AROUND 54. .THURSDAY NIGHT...MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT. LOWS AROUND 30. .FRIDAY...PARTLY CLOUDY. WIDESPREAD FROST IN THE MORNING. HIGHS AROUND 64. .FRIDAY NIGHT...PARTLY CLOUDY. LOWS AROUND 38. .SATURDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE EVENING. HIGHS AROUND 69. $$ WILLAMETTE PASS- LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62 239 PM PDT WED APR 15 2026 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM PDT THURSDAY... .TONIGHT...SNOW AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SNOW AFTER MIDNIGHT. SNOW ACCUMULATION OF 3 TO 5 INCHES. LOWS 21-25. CHANCE OF PRECIPITATION 90 PERCENT. .THURSDAY...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW IN THE MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS AROUND 35. .THURSDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 20. .FRIDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS 48-49. .FRIDAY NIGHT...MOSTLY CLOUDY. LOWS 29-33. .SATURDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY. HIGHS 55-56. $$ DIAMOND LAKE SUMMIT- LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83 239 PM PDT WED APR 15 2026 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM PDT THURSDAY... .TONIGHT...SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. SNOW ACCUMULATION OF 2 TO 3 INCHES. LOWS AROUND 20. WEST WINDS AROUND 20 MPH EARLY IN THE EVENING BECOMING LIGHT. CHANCE OF PRECIPITATION 80 PERCENT. .THURSDAY...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW IN THE MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS 35-38. .THURSDAY NIGHT...MOSTLY CLEAR. LOWS 14-16. .FRIDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS AROUND 50. .FRIDAY NIGHT...MOSTLY CLOUDY. LOWS 25-28. .SATURDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY. HIGHS 54-56. $$ CRATER LAKE- LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65 239 PM PDT WED APR 15 2026 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM PDT THURSDAY... .TONIGHT...SNOW AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. SNOW ACCUMULATION OF 2 TO 4 INCHES. LOWS 14-19. WEST WINDS 20 TO 25 MPH IN THE EVENING BECOMING LIGHT. CHANCE OF PRECIPITATION 80 PERCENT. .THURSDAY...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW IN THE MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS 33-38. .THURSDAY NIGHT...MOSTLY CLEAR. LOWS 13-17. .FRIDAY...SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS 44-49. .FRIDAY NIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY CLOUDY. LOWS 25-28. .SATURDAY...PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. HIGHS 51-56. $$ LAKE OF THE WOODS- LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33 239 PM PDT WED APR 15 2026 .TONIGHT...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. LOWS AROUND 20. .THURSDAY...PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SNOW IN THE MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS AROUND 40. .THURSDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 20. .FRIDAY...SUNNY. HIGHS 50-52. .FRIDAY NIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY CLOUDY. LOWS AROUND 30. .SATURDAY...PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. HIGHS AROUND 60. $$ SISKIYOU SUMMIT- LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4 239 PM PDT WED APR 15 2026 .TONIGHT...MOSTLY CLOUDY. A 30 PERCENT CHANCE OF SNOW IN THE EVENING. LOWS 21-25. .THURSDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 40-45. .THURSDAY NIGHT...MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT. LOWS AROUND 30. .FRIDAY...SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS 54-59. .FRIDAY NIGHT...PARTLY CLOUDY. LOWS 36-39. .SATURDAY...PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. HIGHS 59-64. $$ BLACK BUTTE SUMMIT- LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742 239 PM PDT WED APR 15 2026 .TONIGHT...PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY IN THE LATE EVENING AND EARLY MORNING THEN BECOMING PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE EVENING. LOWS 25-27. .THURSDAY...SUNNY. HIGHS 44-48. .THURSDAY NIGHT...CLEAR. WIDESPREAD FROST AFTER MIDNIGHT. LOWS 25-26. .FRIDAY...SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS 57-61. .FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS 34-35. .SATURDAY...SUNNY THEN BECOMING PARTLY CLOUDY IN THE AFTERNOON THEN BECOMING MOSTLY CLOUDY. HIGHS 61-64. $$ GRASS LAKE/MT HEBRON SUMMIT- LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20 239 PM PDT WED APR 15 2026 .TONIGHT...MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 22-24. WEST WINDS AROUND 20 MPH EARLY IN THE EVENING BECOMING LIGHT. .THURSDAY...SUNNY. HIGHS 46-47. .THURSDAY NIGHT...CLEAR. LOWS AROUND 21. .FRIDAY...SUNNY. HIGHS 58-59. .FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS AROUND 30. .SATURDAY...PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. HIGHS 63-64. $$ WARNER MOUNTAIN SUMMIT- LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4 239 PM PDT WED APR 15 2026 ...WIND ADVISORY IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 20-22. WEST WINDS AROUND 20 MPH WITH GUSTS TO AROUND 35 MPH EARLY IN THE EVENING BECOMING LIGHT. .THURSDAY...PARTLY CLOUDY. A 10 PERCENT CHANCE OF SNOW IN THE MORNING. HIGHS 38-39. .THURSDAY NIGHT...MOSTLY CLEAR. LOWS 21-22. .FRIDAY...SUNNY. HIGHS AROUND 50. .FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. LOWS AROUND 30. .SATURDAY...PARTLY CLOUDY THEN BECOMING SUNNY IN THE AFTERNOON THEN BECOMING PARTLY CLOUDY. HIGHS AROUND 60. $$ CEDAR PASS- LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51 239 PM PDT WED APR 15 2026 ...WIND ADVISORY IN EFFECT UNTIL 8 PM PDT THIS EVENING... .TONIGHT...MOSTLY CLOUDY WITH SNOW IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. SNOW ACCUMULATION OF 2 TO 3 INCHES. LOWS 16-17. WEST WINDS AROUND 30 MPH WITH GUSTS TO AROUND 50 MPH BECOMING LIGHT. CHANCE OF SNOW 90 PERCENT. .THURSDAY...PARTLY CLOUDY. A 10 PERCENT CHANCE OF SNOW IN THE MORNING. HIGHS 33-35. .THURSDAY NIGHT...MOSTLY CLEAR. LOWS 23-24. .FRIDAY...SUNNY. HIGHS 46-47. .FRIDAY NIGHT...PARTLY CLOUDY. LOWS 31-32. .SATURDAY...SUNNY THEN BECOMING PARTLY CLOUDY. HIGHS 54-56. $$ VISIT US AT WWW.WEATHER.GOV/MEDFORD