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| NWS Forecast for: 3 Miles NW Sisters OR Issued by: National Weather Service Pendleton, OR Last Update: 11:46 pm PDT Apr 20, 2026 | |
| Overnight: A 30 percent chance of rain. Cloudy, with a low around 42. Calm wind. Tuesday: Rain likely, mainly after 8am. Mostly cloudy, with a high near 56. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible. Tuesday Night: Rain likely, mainly before 8pm. Mostly cloudy, with a low around 34. West wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible. Wednesday: Rain. Snow level 4000 feet rising to 4600 feet in the afternoon. High near 48. West wind 8 to 15 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible. Wednesday Night: A 30 percent chance of rain before 11pm. Snow level 4800 feet lowering to 3800 feet after midnight . Partly cloudy, with a low around 30. West wind 5 to 13 mph, with gusts as high as 34 mph. Thursday: Sunny, with a high near 57. Thursday Night: Mostly clear, with a low around 30. Friday: Sunny, with a high near 59. Friday Night: Mostly clear, with a low around 31. Saturday: Sunny, with a high near 59. Saturday Night: Mostly clear, with a low around 32. Sunday: Sunny, with a high near 59. Sunday Night: Partly cloudy, with a low around 34. Monday: Mostly sunny, with a high near 62. | |
| 3 Miles NW Sisters OR 44.33°N 121.59°W (Elev. 3251 ft) | |
Visit your local NWS office at: https://www.weather.gov/pdt |





