Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains
A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >
| NWS Forecast for: 16 Miles NE Cougar Res. OR Issued by: National Weather Service Portland, OR Last Update: 12:41 am PDT Apr 12, 2026 |  |
| Overnight: A 50 percent chance of showers, mainly after 3am. Patchy fog after 5am. Otherwise, mostly cloudy, with a steady temperature around 39. Calm wind. Sunday: Showers, mainly after 7am. Patchy fog before 8am. Snow level 5500 feet lowering to 4900 feet in the afternoon . High near 48. Light southwest wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible. Sunday Night: Rain showers before 4am, then rain, possibly mixed with snow showers. Snow level 4600 feet. Low around 35. Light southwest wind. Chance of precipitation is 100%. Little or no snow accumulation expected. Monday: Showers. Snow level 4300 feet. High near 46. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible. Monday Night: Rain showers before 11pm, then a chance of rain and snow showers between 11pm and 5am, then a chance of snow showers after 5am. Snow level 4600 feet lowering to 3600 feet after midnight . Low around 31. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. Little or no snow accumulation expected. Tuesday: Rain likely, possibly mixed with snow, becoming all rain after 2pm. Snow level rising to 4400 feet in the afternoon. Mostly cloudy, with a high near 48. Chance of precipitation is 60%. Little or no snow accumulation expected. Tuesday Night: Rain before 8pm, then rain, possibly mixed with snow. Snow level 4500 feet lowering to 3900 feet. Low around 33. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible. Wednesday: Rain and snow showers, becoming all snow after 11am. Some thunder is also possible. Cloudy, with a high near 42. Wednesday Night: Snow. Cloudy, with a low around 25. Thursday: Snow likely before 5pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 45. Thursday Night: A chance of rain and snow. Partly cloudy, with a low around 24. Friday: Mostly sunny, with a high near 53. Friday Night: Partly cloudy, with a low around 28. Saturday: A slight chance of rain. Snow level 4100 feet rising to 5800 feet in the afternoon. Mostly sunny, with a high near 59. | |
| 16 Miles NE Cougar Res. OR 44.25°N 121.99°W (Elev. 3369 ft) | |
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