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: Cascade Locks OR Issued by: National Weather Service Portland, OR Last Update: 2:45 pm PST Dec 24, 2025 |  |
| This Afternoon: A 40 percent chance of showers, mainly before 4pm. Mostly cloudy, with a high near 48. Southwest wind around 9 mph, with gusts as high as 21 mph. Tonight: A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 38. South wind 5 to 10 mph becoming east northeast after midnight. Winds could gust as high as 21 mph. Christmas Day: Rain. High near 45. East northeast wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Thursday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 37. East wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible. Friday: Showers. Snow level 3100 feet lowering to 2400 feet in the afternoon . High near 44. West southwest wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible. Friday Night: Showers, mainly before 4am. Snow level 1600 feet. Low around 36. Breezy. Chance of precipitation is 90%. Saturday: A chance of rain and snow showers before 1pm, then a slight chance of rain showers. Snow level 1200 feet rising to 1700 feet in the afternoon. Mostly cloudy, with a high near 41. Chance of precipitation is 50%. Little or no snow accumulation expected. Saturday Night: Mostly cloudy, with a low around 31. Sunday: Partly sunny, with a high near 42. Sunday Night: Mostly cloudy, with a low around 30. Monday: Partly sunny, with a high near 42. Monday Night: Partly cloudy, with a low around 31. Tuesday: Partly sunny, with a high near 44. | |
| Cascade Locks OR 45.66°N 121.87°W (Elev. 732 ft) | |
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