A powerful winter storm system moving across the Great Lakes and Northeast is bringing snow and ice, frigid temperatures and possible whiteout conditions.

The winter weather this weekend caused travel problems during the busiest time of year. On Sunday, more than 10,000 flights were delayed nationwide, according to the flight tracking website FlightAware. On Monday, the disruption was less severe, with less than 500 flights delayed in the U.S., according to the site.

A powerful winter storm swept across the central and eastern United States, knocking out power and snarling travel during one of the busiest stretches of the holiday season.

A major winter storm that blasted Minnesota on Sunday is still impacting travel conditions on Monday. Follow live updates.

Snow and ice are expected across the UK on Friday as forecasters warn of a "prolonged spell of very cold weather" to start 2026. The most severe conditions will be seen in Scotland, where amber snow warnings are issued for midday on Friday. Yellow snow and ice warnings are already in place elsewhere.

A storm is expected to bring rain and snow to the Los Angeles area this weekend, with gusty winds and possible flooding possible in burn scar areas, forecasters said.

After weeks of bare hillsides and limited terrain, ski resorts in Northern California's Sierra Nevada are seeing a welcome turnaround as holiday storms bring much-needed snow, with more on the way.