The Heat Dome is a classic pre-monsoon phenomena

Meteorologists regard it as a classic pre-monsoon phenomenon, indicating the heat will eventually be replaced by rain, the Weather Channel reported Tuesday. Heat alerts were issued by the National Weather Service across Arizona, western New Mexico, southern Utah, southern Nevada and portions of California.
end partial quote from:
http://www.upi.com/Top_News/US/2017/06/21/US-Southwest-bakes-in-heat-dome-Las-Vegas-ties-record/1351498054379/

I'm wondering if Global Warming will trigger more of these in the future around this time of year.