New Delhi, Oct. 12 -- The hurricane's center swirled parallel to the coast, closing in on the Puerto Vallarta area, where its most damaging winds and rain were expected to hit around midnight and continue through Monday morning. Its maximum sustained winds weakened Sunday to 120 mph (195 kph), according to the U.S. National Hurricane Center in Miami, but it was still expected to remain a dangerous hurricane.

That's not good news for people in and around Puerto Vallarta, a popular tourist destination in the state of Jalisco. Just inland and uphill from the resort areas, many Mexicans live in communities where housing might not stand up to the storm.

By Sunday afternoon, Simon's eye was moving northwest about 45 miles (75 kilometers) sout...