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: Snoqualmie Pass WA Issued by: National Weather Service Seattle, WA Last Update: 11:27 pm PDT Apr 13, 2026 |  |
Overnight: A chance of rain and snow, mainly after 2am. Mostly cloudy, with a low around 32. Light west wind. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible. Tuesday: Snow, possibly mixed with rain. High near 37. Southwest wind 3 to 6 mph. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible. Tuesday Night: Rain and snow, becoming all snow after 11pm. The snow could be heavy at times. Low around 26. Southwest wind around 6 mph becoming light and variable after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible. Wednesday: Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 34. Wind chill values between 22 and 27. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible. Wednesday Night: Snow, mainly before 11pm. Low around 25. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible. Thursday: A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 38. New snow accumulation of less than a half inch possible. Thursday Night: A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 28. New snow accumulation of less than a half inch possible. Friday: Mostly sunny, with a high near 42. Friday Night: Partly cloudy, with a low around 28. Saturday: Partly sunny, with a high near 51. Saturday Night: A chance of rain. Mostly cloudy, with a low around 37. Sunday: Rain likely. Mostly cloudy, with a high near 49. Sunday Night: Rain and snow likely. Mostly cloudy, with a low around 35. Monday: Rain and snow likely. Mostly cloudy, with a high near 47. | |
| Snoqualmie Pass WA 47.43°N 121.41°W (Elev. 3087 ft) | |
Visit your local NWS office at: https://www.weather.gov/sew |
