Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

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Last Map Update: Sun, Mar 15, 2026 at 8:20:32 pm PDT

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

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Flood Warning

Winter Weather Advisory

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Hydrologic Outlook

River Flooding in Walla Walla County

River levels will remain above flood stage as previous days snowmelt and rain runoff continue to filter downstream. The Walla Walla and Touchet Rivers are expected to recede below flood stage by late tomorrow morning. Flows will remain elevated throughout the week as temperatures warm in the mountains, resulting in an increase in snowmelt.