Three to 6 inches of slush may fall Saturday from Windom to Wadena and Bemidji.

Beware the Ides of March -- especially if you live in Alabama or Mississippi, where there's a rare high risk of large, violent tornadoes on Saturday. In addition to powering your favorite weather app, local Doppler radar, weather models and county-level warnings, NOAA funds the Storm Prediction Center, where meteorologists monitor the atmosphere and pinpoint where damaging hail, winds and tornadoes are most likely to strike, days before a major event.