458  
FPUS86 KMFR 292139  
TVLMFR  
 
FORECAST FOR MOUNTAIN PASSES  
NATIONAL WEATHER SERVICE MEDFORD, OR  
238 PM PDT SUN MAR 29 2026  
 
 
 
CANYON CREEK PASS-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 81  
238 PM PDT SUN MAR 29 2026  
   
TONIGHT  
MOSTLY CLOUDY. LOWS AROUND 37.    
MONDAY  
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE MORNING,  
THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS AROUND 55.  
CHANCE OF PRECIPITATION 30 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.  
LOWS AROUND 41.    
TUESDAY  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS  
AROUND 58.    
TUESDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,  
THEN RAIN LIKELY AFTER MIDNIGHT. LOWS AROUND 42. CHANCE OF RAIN  
70 PERCENT.    
WEDNESDAY  
RAIN. HIGHS AROUND 49. CHANCE OF RAIN NEAR  
100 PERCENT.  
 
 
 
SEXTON SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 69  
238 PM PDT SUN MAR 29 2026  
   
TONIGHT  
PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS AROUND 37.    
MONDAY  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS  
51-52.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.  
LOWS AROUND 40.    
TUESDAY  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS  
50-52.    
TUESDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,  
THEN RAIN LIKELY AFTER MIDNIGHT. LOWS 39-42. CHANCE OF RAIN  
60 PERCENT.    
WEDNESDAY  
RAIN. HIGHS 42-44. CHANCE OF RAIN NEAR 100 PERCENT.  
 
 
 
HAYES HILL SUMMIT-  
LOCATION...OREGON HIGHWAY 199 NEAR MILEPOST 16  
238 PM PDT SUN MAR 29 2026  
   
TONIGHT  
MOSTLY CLOUDY. LOWS AROUND 40.    
MONDAY  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS  
AROUND 59.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.  
LOWS AROUND 42.    
TUESDAY  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS  
AROUND 58.    
TUESDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,  
THEN RAIN LIKELY AFTER MIDNIGHT. LOWS AROUND 42. CHANCE OF RAIN  
70 PERCENT.    
WEDNESDAY  
RAIN. HIGHS AROUND 49. CHANCE OF RAIN NEAR  
100 PERCENT.  
 
 
 
WILLAMETTE PASS-  
LOCATION...OREGON HIGHWAY 58 NEAR MILEPOST 62  
238 PM PDT SUN MAR 29 2026  
   
TONIGHT  
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY WITH  
A 40 PERCENT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 30-33.    
MONDAY  
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN  
CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS 43-45. CHANCE OF  
PRECIPITATION 40 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS 31-35. CHANCE  
OF PRECIPITATION 40 PERCENT.    
TUESDAY  
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE MORNING,  
THEN RAIN AND SNOW LIKELY IN THE AFTERNOON. HIGHS 44-45. CHANCE  
OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE  
EVENING, THEN RAIN AND SNOW AFTER MIDNIGHT. LOWS 32-35. CHANCE OF  
PRECIPITATION 80 PERCENT.    
WEDNESDAY  
RAIN AND SNOW. HIGHS 36-38. CHANCE OF PRECIPITATION  
NEAR 100 PERCENT.  
 
 
 
DIAMOND LAKE SUMMIT-  
LOCATION...OREGON HIGHWAY 138 NEAR MILEPOST 83  
238 PM PDT SUN MAR 29 2026  
   
TONIGHT  
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY WITH  
A 30 PERCENT CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 30. GUSTS  
UP TO 35 MPH.    
MONDAY  
MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING, THEN CHANCE  
OF RAIN AND SNOW IN THE AFTERNOON. NO SNOW ACCUMULATION. HIGHS  
44-46. CHANCE OF PRECIPITATION 60 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
AND SNOW. LOWS 31-33.    
TUESDAY  
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE MORNING,  
THEN RAIN AND SNOW LIKELY IN THE AFTERNOON. HIGHS 42-45. CHANCE  
OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE  
EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. LOWS AROUND 30. CHANCE  
OF PRECIPITATION 70 PERCENT.    
WEDNESDAY  
SNOW. HIGHS 35-38. SOUTHWEST WINDS AROUND 20 MPH IN  
THE AFTERNOON AND EVENING. CHANCE OF SNOW NEAR 100 PERCENT.  
 
 
 
CRATER LAKE-  
LOCATION...OREGON HIGHWAY 62 NEAR MILEPOST 65  
238 PM PDT SUN MAR 29 2026  
   
TONIGHT  
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY WITH  
A 10 PERCENT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 28-32. GUSTS UP  
TO 30 MPH.    
MONDAY  
MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN THE MORNING,  
THEN CHANCE OF RAIN AND SNOW IN THE AFTERNOON. NO SNOW  
ACCUMULATION. HIGHS 42-47. CHANCE OF PRECIPITATION 60 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
AND SNOW. LOWS 31-34.    
TUESDAY  
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN  
RAIN AND SNOW LIKELY IN THE AFTERNOON. HIGHS 41-46. CHANCE OF  
PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT  
CHANCE OF RAIN AND SNOW IN THE EVENING, THEN  
SNOW LIKELY AFTER MIDNIGHT. LOWS 28-32. CHANCE OF PRECIPITATION  
70 PERCENT.    
WEDNESDAY  
SNOW. HIGHS 34-38. SOUTHWEST WINDS AROUND 20 MPH IN  
THE AFTERNOON AND EVENING. CHANCE OF SNOW NEAR 100 PERCENT.  
 
 
 
LAKE OF THE WOODS-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 33  
238 PM PDT SUN MAR 29 2026  
   
TONIGHT  
PARTLY CLOUDY UNTIL WELL AFTER MIDNIGHT THEN BECOMING  
MOSTLY CLOUDY. LOWS 34-35.    
MONDAY  
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE MORNING,  
THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS 50-52. CHANCE OF  
PRECIPITATION 50 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,  
THEN CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS 36-37. CHANCE  
OF PRECIPITATION 40 PERCENT.    
TUESDAY  
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE MORNING,  
THEN RAIN AND SNOW LIKELY IN THE AFTERNOON. HIGHS AROUND 50.  
CHANCE OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT  
RAIN AND SNOW LIKELY. LOWS 34-35. CHANCE OF  
PRECIPITATION 60 PERCENT.    
WEDNESDAY  
RAIN AND SNOW. HIGHS AROUND 40. CHANCE OF  
PRECIPITATION NEAR 100 PERCENT.  
 
 
 
SISKIYOU SUMMIT-  
LOCATION...OREGON INTERSTATE 5 NEAR MILEPOST 4  
238 PM PDT SUN MAR 29 2026  
   
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS 37-39.    
MONDAY  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS  
53-58.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.  
LOWS 41-44.    
TUESDAY  
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE  
MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS 50-55.  
CHANCE OF PRECIPITATION 50 PERCENT.    
TUESDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,  
THEN CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS 38-42. CHANCE  
OF PRECIPITATION 50 PERCENT.    
WEDNESDAY  
RAIN AND SNOW. HIGHS 41-46. CHANCE OF PRECIPITATION  
90 PERCENT.  
 
 
 
BLACK BUTTE SUMMIT-  
LOCATION...CALIFORNIA INTERSTATE 5 NEAR MILEPOST 742  
238 PM PDT SUN MAR 29 2026  
   
TONIGHT  
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY LATE IN THE  
EVENING THEN BECOMING MOSTLY CLOUDY. LOWS 40-42.    
MONDAY  
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS AROUND 60.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.  
LOWS AROUND 40.    
TUESDAY  
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN  
RAIN LIKELY IN THE AFTERNOON. HIGHS 51-55. CHANCE OF RAIN  
60 PERCENT.    
TUESDAY NIGHT  
RAIN LIKELY. LOWS AROUND 40. CHANCE OF RAIN  
70 PERCENT.    
WEDNESDAY  
RAIN. HIGHS 43-46. SOUTH WINDS 20 TO 25 MPH IN THE  
AFTERNOON AND EVENING. CHANCE OF RAIN 90 PERCENT.  
 
 
 
GRASS LAKE/MT HEBRON SUMMIT-  
LOCATION...CALIFORNIA HIGHWAY 97 NEAR MILEPOST 20  
238 PM PDT SUN MAR 29 2026  
   
TONIGHT  
PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR LATE IN THE  
EVENING THEN BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY  
WELL AFTER MIDNIGHT. LOWS AROUND 37.    
MONDAY  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS  
AROUND 60.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.  
LOWS AROUND 37.    
TUESDAY  
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN  
RAIN LIKELY IN THE AFTERNOON. HIGHS 53-55. CHANCE OF RAIN  
60 PERCENT.    
TUESDAY NIGHT  
MOSTLY CLOUDY. RAIN LIKELY IN THE EVENING, THEN  
CHANCE OF RAIN AFTER MIDNIGHT. LOWS AROUND 36. CHANCE OF RAIN  
60 PERCENT.    
WEDNESDAY  
CLOUDY. RAIN AND SNOW LIKELY IN THE MORNING, THEN  
RAIN AND SNOW IN THE AFTERNOON AND EVENING. HIGHS 46-48. SOUTH  
WINDS AROUND 20 MPH IN THE AFTERNOON BECOMING LIGHT. CHANCE OF  
PRECIPITATION 90 PERCENT.  
 
 
 
WARNER MOUNTAIN SUMMIT-  
LOCATION...OREGON HIGHWAY 140 NEAR MILEPOST 4  
238 PM PDT SUN MAR 29 2026  
   
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
AROUND 37. GUSTS UP TO 35 MPH.    
MONDAY  
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
CLOUDY. A 30 PERCENT CHANCE OF RAIN. HIGHS 53-55.    
MONDAY NIGHT  
RAIN IN THE EVENING, THEN RAIN LIKELY AFTER  
MIDNIGHT. LOWS AROUND 39. CHANCE OF RAIN 80 PERCENT.    
TUESDAY  
RAIN LIKELY IN THE MORNING, THEN RAIN IN THE  
AFTERNOON. HIGHS AROUND 50. CHANCE OF RAIN 80 PERCENT.    
TUESDAY NIGHT  
MOSTLY CLOUDY. RAIN IN THE EVENING, THEN CHANCE  
OF RAIN AFTER MIDNIGHT. LOWS AROUND 38. CHANCE OF RAIN  
80 PERCENT.    
WEDNESDAY  
RAIN AND SNOW LIKELY IN THE MORNING, THEN RAIN AND  
SNOW IN THE AFTERNOON AND EVENING. HIGHS 44-45. SOUTHWEST WINDS  
20 TO 30 MPH. CHANCE OF PRECIPITATION 90 PERCENT.  
 
 
 
CEDAR PASS-  
LOCATION...CALIFORNIA HIGHWAY 299 NEAR MILEPOST 51  
238 PM PDT SUN MAR 29 2026  
   
TONIGHT  
PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR LATE IN THE  
EVENING THEN BECOMING PARTLY CLOUDY. LOWS AROUND 40. WEST WINDS  
AROUND 20 MPH WITH GUSTS TO AROUND 40 MPH EARLY IN THE EVENING  
BECOMING LIGHT.    
MONDAY  
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
CLOUDY. A 30 PERCENT CHANCE OF RAIN. HIGHS 53-55. WEST WINDS  
AROUND 20 MPH IN THE AFTERNOON.    
MONDAY NIGHT  
RAIN LIKELY. LOWS AROUND 40. WEST WINDS AROUND  
20 MPH IN THE EVENING BECOMING LIGHT. CHANCE OF RAIN 70 PERCENT.    
TUESDAY  
MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN THE MORNING,  
THEN SHOWERS, SNOW AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS 47-48. SOUTHWEST WINDS AROUND 20 MPH IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 80 PERCENT.    
TUESDAY NIGHT  
RAIN AND SNOW IN THE EVENING, THEN RAIN AND SNOW  
LIKELY AFTER MIDNIGHT. LOWS 38-39. WEST WINDS AROUND 20 MPH IN  
THE EVENING BECOMING LIGHT. CHANCE OF PRECIPITATION 80 PERCENT.    
WEDNESDAY  
SNOW LIKELY IN THE MORNING, THEN RAIN AND SNOW IN  
THE AFTERNOON AND EVENING. HIGHS 41-43. SOUTHWEST WINDS 20 TO  
25 MPH INCREASING TO 30 TO 35 MPH IN THE EVENING. CHANCE OF  
PRECIPITATION 90 PERCENT.  
 
 
 
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