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Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

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Welcome to the National Weather Service’s Hazards Simplification Initiative!

The Hazard Simplification (Haz Simp) initiative is leveraging user engagement research to explore and implement advancements in our national Watch, Warning, and Advisory alerting system. This iterative and flexible approach allows the National Weather Service (NWS) to continually engage with its partners and stakeholders to ensure the alert products we issue reflect current and future needs.

From consolidating the number of individual alerts to creating new visuals to utilizing plain language, the NWS is always looking for new and more effective ways to communicate weather impacts to partners and the public!