The weather in the park has ranged from mostly sunny to partly cloudy with occasional showers. In Tuolumne Meadows, daytime highs have been in the 50s, with overnight lows from the upper 20s into the 30s. Do not leave food in your car.
Bears can smell food in and break into vehicle trunks.
Visitors need to store all food, ice chests, and odorous items in metal food storage boxes or hard-sided cabins. Once bears become conditioned to human food, they become unnaturally aggressive and must be killed. Firearms are prohibited in Yosemite National Park. You may enter the park 24 hours a day. Reservations are not needed to enter the park in 1998.