The next system will bring a mix of rain, snow and ice to the Midwest, Great Lakes and Northeast this week. Rain and snow will start to develop across the Upper Midwest and Great Lakes Tuesday night and stretch into the Northeast Wednesday before coming to an end Thursday. Gusty winds and blowing snow will reduce visibility and could result in blizzard conditions for some, especially along the North Shore of Minnesota near Duluth. Watch this video to see how much snow is in your forecast.

A storm system that’s just getting started is pounding Southern California with heavy rain and dangerous wind gusts. Drivers across Los Angeles found themselves trapped in flash floods, and some highways were cut off by mud and debris slides. But that’s not the only danger residents are facing.

A first round of heavy rain and mountain snow blanketed California Sunday and Monday. There's still more to come through Thursday. Here are the latest reports and forecast.

La Niña is likely to collapse mid-winter, according to NOAA’s Climate Prediction Center, weakening the typical winter effects. A transition to El Niño could happen this summer.

Blood rain is a rare phenomenon where rain appears red, caused by airborne dust or runoff from iron-rich or naturally red soil, creating a dramatic, blood-like effect.