All times are local.
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Friday: Weather deteriorates along the Baja California peninsula as tropical storm conditions begin late in the day.
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Saturday: Tropical storm conditions spread northward across the Baja California peninsula. Rainfall begins north of the U.S.-Mexico border in California.
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Saturday night into Sunday morning: This is the earliest likely landfall along Baja California peninsula, and hurricane conditions are probable along the west coast of Mexico. The storm is expected to weaken.
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Sunday afternoon: The worst conditions depend on the exact path the storm takes. Landfall is possible at any time if it hasn’t occurred yet.
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Sunday evening: The Most torrential rain begins north of the U.S.-Mexico border as possible tropical storm-force winds arrive in Southern California. If the storm isn’t over land, a first and possibly even a second landfall is possible.
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Sunday night: Strong winds and heavy rain continue across the Southwestern United States as the storm rapidly moves northward, likely across California.
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Monday: Dangerous conditions continue in the morning but slowly improve through the day, beginning in the south.
