Today and Memorial Day's Tornado and Severe Storm Outlook

For today, just about all of the northern High Plains has a tornado risk (5% is significant).

And, here is the hail risk (15% is the significant threshold). In the hatched area, hail is forecast to be larger than 2" in diameter.

For tomorrow, here is the combined threat map. The hatched area is where both very large hail and violent tornadoes may occur.