Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas
A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >
| NWS Forecast for: 11 Miles WSW Troy OR Issued by: National Weather Service Pendleton, OR Last Update: 6:16 am PST Dec 24, 2025 |  |
Today: A 40 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 53. Light and variable wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 33 mph. Tonight: A chance of rain before 1am, then a chance of rain after 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 36. Light and variable wind. Chance of precipitation is 30%. Christmas Day: Rain likely, mainly after 10am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 49. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible. Thursday Night: Rain likely. Mostly cloudy, with a low around 35. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible. Friday: Rain before 4pm, then rain likely, possibly mixed with snow. High near 45. Southwest wind 3 to 8 mph. Winds could gust as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected. Friday Night: Rain and snow likely before 10pm, then a chance of snow between 10pm and 1am, then a chance of rain and snow after 1am. Snow level 2600 feet lowering to 2200 feet. Mostly cloudy, with a low around 30. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible. Saturday: A 30 percent chance of snow before 10am. Mostly cloudy, with a high near 38. Saturday Night: Mostly cloudy, with a low around 25. Sunday: Partly sunny, with a high near 41. Sunday Night: Partly cloudy, with a low around 26. Monday: Mostly sunny, with a high near 45. Monday Night: Mostly cloudy, with a low around 28. Tuesday: Mostly sunny, with a high near 47. | |
| 11 Miles WSW Troy OR 45.88°N 117.65°W (Elev. 2198 ft) | |
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