More people are expected to travel during the holiday weekend as airfare and gas prices drop. But rain and cold could pose obstacles through early Wednesday.
Forecasters warn of destructive winds, flooding and mudslides in the states of Guerrero and Oaxaca when it makes landfall overnight or early Wednesday.
The fall season has been off to a late start in the central and Northeastern United States, but chilly air this weekend could be a jolt, especially to those who endured a sweltering summer.
Once a Category 5 hurricane, Lee was a weaker but still significant storm as it made its way toward Canada on Saturday. Coastal residents were on the alert.