Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Southern Plains to the Great Lakes
Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >
| NWS Forecast for: 16 Miles NE Cougar Res. OR Issued by: National Weather Service Portland, OR Last Update: 11:41 pm PDT Apr 13, 2026 |  |
Overnight: Mostly cloudy, with a low around 30. Calm wind. Tuesday: Rain, mainly after 3pm. Snow level rising to 4600 feet in the afternoon. High near 48. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible. Tuesday Night: Rain. Snow level 4100 feet. Low around 32. South southwest wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible. Wednesday: Rain before 8am, then snow showers. The snow could be heavy at times. Some thunder is also possible. High near 41. West wind around 7 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible. Wednesday Night: Snow showers. Some thunder is also possible. Low around 25. West southwest wind 3 to 7 mph. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible. Thursday: Snow showers. High near 43. Chance of precipitation is 80%. New snow accumulation of less than one inch possible. Thursday Night: A 50 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 24. Little or no snow accumulation expected. Friday: Mostly sunny, with a high near 53. Friday Night: Mostly cloudy, with a low around 31. Saturday: A slight chance of rain after 11am. Snow level 4700 feet rising to 6400 feet in the afternoon. Partly sunny, with a high near 60. Saturday Night: Rain likely. Mostly cloudy, with a low around 38. Sunday: Rain. Mostly cloudy, with a high near 55. Sunday Night: Rain and snow. Snow level 5400 feet lowering to 4200 feet after midnight . Mostly cloudy, with a low around 33. Monday: Rain and snow. Snow level 3900 feet rising to 4700 feet in the afternoon. Mostly cloudy, with a high near 53. | |
| 16 Miles NE Cougar Res. OR 44.25°N 121.99°W (Elev. 3369 ft) | |
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