US Braces for Record March Heat; Snowpack at Risk

An unusually intense heat wave is expected to strike the western United States, bringing summer-like temperatures that could break numerous records. This early-season warmth poses a significant risk to California's snowpack, a vital natural reservoir for the state's water supply. Nine western states recorded their warmest winter in 131 years, leading to reduced snowfall and rain instead of snow in many areas.

The consequence of this mild winter and the impending heat wave is a perilously low level of frozen water needed to replenish reservoirs. As temperatures soar, any remaining snow in the Sierra Nevada and other western ranges may melt too quickly to be effectively captured. This presents a considerable challenge for water availability for residents, agriculture, and livestock.

Across the nation, the weather presents a stark contrast, with New York City experiencing record warmth for the date. Scientists note that extreme heat events are no longer solely a summer concern. Separately, the International Energy Agency announced a historic release of 400 million barrels of oil from emergency reserves, a collective action described as unprecedented in size, aimed at mitigating price spikes driven by the conflict in Iran.

Furthermore, a new analysis highlights that extreme weather events, particularly severe storms like hailstorms, caused billions in damages in the US last year. There were 23 weather events exceeding $1 billion in damages, the third-highest on record, with a notable absence of hurricanes making landfall in the US in 2025, contributing to this figure.