Rare August Snowfall Transforms California Mountains

Unseasonal weather system from Gulf of Alaska brings unexpected snow and record lows, disrupting summer heat

Highway 89 through Lassen Volcanic National Park closed after 3 inches of snow overnight.
Snow recorded at multiple high-elevation locations including Mammoth Mountain and Minaret Vista.
National Weather Service warns hikers and campers to prepare for winter-like conditions.
Recent extreme heat and wildfires contrast sharply with the unusual cold front.
Forecasters predict a quick return to summer temperatures after the cold front passes.