Minnesotans may be wondering why they're hearing tornado sirens on Thursday. It's because of Severe Weather Awareness Week.

Wisconsin residents may hear tornado sirens twice Thursday afternoon and evening, as part of the annual statewide tornado drill. The National Weather Service said in a statement the drill will go on despite cloudy skies and the chance for rain,

If you hear tornado sirens blaring across Minnesota and Wisconsin today, don’t be alarmed — but don’t completely ignore them, either. It’s the annual tornado drill day in both states.