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: 15 Miles S Mitchell OR Issued by: National Weather Service Pendleton, OR Last Update: 9:22 pm PST Dec 24, 2025 |  |
| Tonight: A chance of rain and snow, mainly between 1am and 4am. Snow level 4900 feet. Mostly cloudy, with a steady temperature around 32. Southeast wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Christmas Day: A slight chance of rain and snow before 7am, then a chance of rain between 7am and 1pm. Snow level 5200 feet. Mostly sunny, with a high near 44. South wind 10 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. Thursday Night: Snow likely, mainly after 10pm. Mostly cloudy, with a low around 28. South wind 6 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible. Friday: Snow. High near 39. Southwest wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible. Friday Night: A 50 percent chance of snow, mainly before 4am. Mostly cloudy, with a low around 20. West wind 6 to 8 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible. Saturday: A 20 percent chance of snow before 10am. Partly sunny, with a high near 33. Saturday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 13. Sunday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 36. Sunday Night: Mostly clear, with a low around 16. Monday: Mostly sunny, with a high near 40. Monday Night: Partly cloudy, with a low around 20. Tuesday: Mostly sunny, with a high near 44. Tuesday Night: Partly cloudy, with a low around 23. Wednesday: Sunny, with a high near 45. | |
| 15 Miles S Mitchell OR 44.35°N 120.16°W (Elev. 4508 ft) | |
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