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: 4:41 am PDT Apr 11, 2026 |  |
| Overnight: Rain likely. Mostly cloudy, with a low around 40. Calm wind. Chance of precipitation is 70%. Saturday: Rain and thunderstorms before noon, then showers and possibly a thunderstorm, mainly after noon. Patchy fog between 7am and 10am. High near 57. Calm wind. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible. Saturday Night: Showers and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 10pm. Patchy fog after 1am. Low around 36. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Sunday: Rain. Patchy fog before 10am. Snow level 5200 feet. High near 48. Light and variable wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible. Sunday Night: Rain before 11pm, then rain, possibly mixed with snow. Snow level 5200 feet lowering to 4000 feet after midnight . Low around 34. Light west southwest wind. Chance of precipitation is 100%. Little or no snow accumulation expected. Monday: Rain, possibly mixed with snow, becoming all rain after 2pm. Snow level 3600 feet rising to 4400 feet in the afternoon. High near 45. Chance of precipitation is 90%. Little or no snow accumulation expected. Monday Night: Rain before 11pm, then rain and snow likely. Snow level 4600 feet lowering to 3800 feet after midnight . Low around 32. Chance of precipitation is 80%. Little or no snow accumulation expected. Tuesday: A chance of rain and snow before 11am, then rain likely. Snow level 3500 feet rising to 4300 feet in the afternoon. Mostly cloudy, with a high near 48. Tuesday Night: Rain before 8pm, then rain and snow. Snow level 4500 feet lowering to 3800 feet after midnight . Cloudy, with a low around 32. Wednesday: Rain and snow. Cloudy, with a high near 42. Wednesday Night: Rain and snow. Mostly cloudy, with a low around 25. Thursday: A chance of snow. Partly sunny, with a high near 45. Thursday Night: A chance of snow. Partly cloudy, with a low around 24. Friday: A slight chance of rain and snow. Snow level rising to 4400 feet in the afternoon. Mostly sunny, with a high near 55. | |
| 16 Miles NE Cougar Res. OR 44.25°N 121.99°W (Elev. 3369 ft) | |
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