Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes
Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >
| NWS Forecast for: 5 Miles NNW Corvallis OR Issued by: National Weather Service Portland, OR Last Update: 11:41 am PDT Apr 13, 2026 |  |
| This Afternoon: A slight chance of showers between 2pm and 3pm. Mostly sunny, with a high near 52. West wind around 6 mph. Chance of precipitation is 20%. Tonight: Partly cloudy, with a low around 39. West wind around 6 mph becoming calm in the evening. Tuesday: Rain, mainly after 2pm. High near 50. South southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible. Tuesday Night: Rain. Low around 40. South southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible. Wednesday: Rain before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Snow level 3000 feet lowering to 2200 feet. High near 49. West northwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible. Wednesday Night: Showers and possibly a thunderstorm. Snow level 1900 feet. Low around 36. Chance of precipitation is 90%. Thursday: A 50 percent chance of showers. Snow level 1700 feet rising to 2900 feet in the afternoon. Partly sunny, with a high near 52. Thursday Night: Partly cloudy, with a low around 35. Friday: Mostly sunny, with a high near 56. Friday Night: Mostly cloudy, with a low around 38. Saturday: Partly sunny, with a high near 62. Saturday Night: A chance of rain. Mostly cloudy, with a low around 44. Sunday: Rain likely. Mostly cloudy, with a high near 55. | |
| 5 Miles NNW Corvallis OR 44.64°N 123.34°W (Elev. 1001 ft) | |
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