National Weather Service United States Department of Commerce

Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

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Last Map Update: Tue, Mar 31, 2026 at 12:00:09 am PDT

❄️ A Winter Storm Watch is in effect for the Oregon Cascades from April 1–2 for a period of heavy snow. Expect 10–18" of snow above 3500 feet with a 50-75% chance for hourly snowfall rates over 1 in/hr at times Wednesday evening through Thursday morning. Travel conditions will be hazardous on highway 26 near Government Camp, Santiam Pass, and Willamette Pass, with relatively higher snow amounts expected at Santiam and Willamette Passes.

 

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