The Spanish government will send convoys carrying COVID-19 vaccine and food supplies to areas cut off by Storm Filomena.
In the Madrid area, rescuers reached 1,500 people trapped in cars, while police broke up a large snowball fight after authorities appealed for citizens to stay at home for risk of accidents or spreading coronavirus.
Forecasters warned of dangerous conditions in the coming days, with temperatures expected to fall to up to minus 10 degree Celsius next week and the prospect of snow turning to ice and damaged trees falling.
Madrid's main international airport was closed and the operator said would not re-open until Sunday afternoon at the earliest, when flights would resume gradually.
About 20,000 km of roads across central Spain were affected by the storm, with officials confirming the death of four people due to the extreme weather conditions.
The State Metereological Agency (Aemet) said up to 20-30 cm of snow fell in Madrid on Saturday, the most since 1971.
Hamas officials have arrived in Egypt on Sunday ahead of talks with Israel planned for Monday that the US hopes will lead to a halt in fighting and the freeing of hostages in Gaza, with Washington's top diplomat saying the next days are critical.
US forces hit another vessel allegedly carrying illegal drugs off the coast of Venezuela on Saturday evening, President Donald Trump said on Sunday, adding that they would also start looking at drug trafficking occurring on land.
The death toll from the collapse of an Islamic boarding school in Indonesia last week jumped to at least 49 people as rescuers have cleared nearly all of the debris, the country's disaster mitigation agency said in a statement handed out on Monday.
GCC Secretary-General Jasem Mohamed Al-Budaiwi has welcomed the steps taken by Hamas in response to US President Donald Trump's Gaza proposal while stressing on the importance of strengthening Gulf integration to confront accelerating global changes.
Israeli planes and tanks pounded areas across the Gaza Strip overnight and on Sunday, destroying several residential buildings, witnesses said, as Palestinians desperately awaited implementation of a US plan to end the war.