Be prepared with the most accurate 10-day forecast for Seattle, Washington with highs, lows, chance of precipitation from The Weather Channel and Weather.com Seattle, WA Weather Forecast, with current conditions, wind, air quality, and what to expect for the next 3 days. Hourly weather forecast in Seattle, WA. Check current conditions in Seattle, WA with radar, hourly, and more. Today’s and tonight’s Seattle, Washington weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather.com Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More > Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Seattle area. Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. 14-day weather forecast for Seattle. Weather forecast, conditions and interactive radar for Seattle and Washington state. Coverage from KING5 in Seattle, Washington. FOX 13 Seattle meteorologist Claire Anderson has your 7-day forecast. National News on FOX 13, Seattle’s source for the latest breaking news, weather, traffic, and sports.