"Weather extremes" refers to very unusual and severe weather conditions that are far beyond what is considered normal or average. It can include extreme heatwaves, intense storms, droughts, floods, or unusually cold temperatures. Full definition
Likewise, the odds for certain types of weather extremes increase in a warming climate (perhaps very much so). (planet3.org)
This winter has been exceptionally cold and snowy, with weather extremes everywhere it seems. (alidaskitchen.com)
All dogs should have free access to fresh water, safe housing, soft bedding and appropriate protection from weather extremes at all times. (petwave.com)