Parts of the Southwest might experience Hilary's rain as early as Saturday, with California expected to experience its biggest effects on August 21.
The worst of Hilary's winds, which are powerful enough to snap trees, bring down power lines, and seriously harm property, will blow through parts of northwest Mexico depending on changes in the anticipated trajectory.
The NHC predicts that Hurricane Harvey would weaken considerably before it makes landfall in Southern California and certain portions of the Southwest, but CNN stated that there was still a growing possibility that these regions might experience substantial effects, such as torrential rain and floods.
If the storm makes landfall in California as a tropical storm, it would be the first in nearly 84 years, and only the third tropical storm or stronger to do so on record, according to data from the National Oceanic and Atmospheric Administration.