… Forecasters expect a surprisingly strong low-pressure system originating from the Gulf of Alaska to dip into California from the Pacific Northwest on Friday, weakening the high pressure that usually dominates the atmosphere above the West Coast in August and keeping the region toasty. Snowflakes could fall on the mountain’s highest peaks as temperatures drop to freezing, inaugurating the first snowfall of the 2024–25 season. Friday could be the coldest day of the week, but chilly temperatures might last through the weekend. The National Weather Service cautions hikers, backpackers, and campers to consider the cold, windy weather if they head to the Sierra this weekend.

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