National Weather Service United States Department of Commerce

Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

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Last Map Update: Mon, Mar 9, 2026 at 9:06:19 pm PDT

Periods of moderate to heavy snow showers will impact the Cascades through Monday night. Check pass reports often and prepare for winter driving conditions if you're headed over the mountain passes.
Heavy mountain snow over the Cascades and Idaho Panhandle will result in challenging travel conditions Tuesday night through Friday. Avoid travel if possible during this period, but if travel is necessary visit WSDOT or ITD 511 for latest road conditions, keep an emergency supply kit in vehicle, and carry and know how to install tire chains.
Strong winds are expected across the Inland Northwest Wednesday afternoon through Thursday afternoon.

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