- Storm strength increases to Category 5
- It could become a Category 5 storm before making landfall, forecasters say
- The National Hurricane Center calls the storm "extremely dangerous"
"Satellite images indicate that maximum sustained winds have increased to near 160 mph (260 kph) with higher gusts," the National Hurricane Center said Thursday night.
Though it is expected to weaken Friday, it should make landfall on the Pacific coast near Punta San Telmo late in the day as an extremely dangerous storm.
"Preparations to protect life and property should be rushed to completion today," the center said.
As of late Thursday night, the storm was about 200 miles (320 kilometers) south of Manzanillo, Mexico, moving northwest at 10 mph (17 kph).
A hurricane warning is in effect on Mexico's Pacific Coast from San Blas to Punta San Telmo, an area that includes the resort cities of Puerto Vallarta and Manzanillo.
Officials in Jalisco and Colima states said they were canceling schools as the storm neared.
Patricia is expected to bring heavy rainfall, destructive waves and powerful winds, forecasters said.