California is grappling with a significantly below-average snowpack in the Sierra Nevada, currently at 66% of the seasonal average, despite recent storms. This is largely due to record warmth, causing more precipitation to fall as rain instead of snow, a trend linked to global warming. The snowpack is vital as it provides about 30% of California's water supply, acting as a natural reservoir that slowly releases water during the spring and summer. A reduced snowpack heightens the risk of water shortages, increased groundwater reliance, and potential harm to ecosystems dependent on snowmelt.