EDC is over for the night. Organizers are waiting for crowds to thin out before making an official announcement. More details and older updates at the bottom.
... to head to the stands at the venue, Las Vegas Motor Speedway, until further notice.
The shut-down appeared to cut off sets by Calvin Harris and Dubfire.
Organizers announced the situation around 12:45 a.m.
One festival worker said there were "well over" 100,000 patrons tonight.
Promoters of the three-day dance music festival, which started in Los Angeles and moved to Las Vegas last year amid controversy in L.A., said they sold 300,000 three-day tickets.
[Update at 1:56 a.m]:
We were told the stages were designed to withstand 80 mile-per-hour winds; gusts tonight were said to be hitting up to 40.
Organizers practiced a high-wind scenario as preparation for just such a night.
Background music played shortly before 2 a.m. as patrons were allowed to return to some parts of the main grounds.
A decision to pull the plug on the night or restart the festivities was expected shortly.
More updates below