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 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.

The latest disqualifications at the Milan-Cortina Winter Olympics is turning the race for gold into a global wake-up call about pollution on the world’s biggest stage.