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: 10 Miles ESE Mt Jefferson OR Issued by: National Weather Service Pendleton, OR Last Update: 3:30 pm PST Dec 25, 2025 |  |
Christmas Day: A 30 percent chance of rain. Snow level 4200 feet. Partly sunny, with a steady temperature around 38. Southwest wind around 5 mph. Tonight: A chance of rain before 10pm, then snow likely, possibly mixed with rain. Snow level 3600 feet. Mostly cloudy, with a low around 31. Southwest wind 3 to 5 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible. Friday: A chance of rain and snow before 7am, then snow. High near 40. Southwest wind 8 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible. Friday Night: Snow, mainly before 4am. Low around 27. West wind around 14 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible. Saturday: A 50 percent chance of snow, mainly before 10am. Partly sunny, with a high near 35. West wind 8 to 11 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible. Saturday Night: Mostly cloudy, with a low around 22. Sunday: Mostly sunny, with a high near 37. Sunday Night: Partly cloudy, with a low around 24. Monday: Mostly sunny, with a high near 39. Monday Night: Partly cloudy, with a low around 26. Tuesday: Partly sunny, with a high near 43. Tuesday Night: Mostly cloudy, with a low around 30. Wednesday: A slight chance of rain. Partly sunny, with a high near 48. Wednesday Night: A chance of rain. Mostly cloudy, with a low around 33. New Year's Day: Rain and snow likely. Snow level 4400 feet. Mostly cloudy, with a high near 44. | |
| 10 Miles ESE Mt Jefferson OR 44.63°N 121.61°W (Elev. 3396 ft) | |
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