(KFVS) - The Humane Society of Missouri has some Fourth of July safety tips for pets.

HEAT WARNING: Please remember when temperatures and heat indexes soar this week, pet owners are advised to take special precautions to keep pets safe. It is critical to never leave a pet in a parked car when the outside temperature is above 70 degrees. High temperatures can be deadly for pets left without a cool, shady place to rest and plenty of water.

Pets and Fireworks Don’t Mix: The loud crack and boom of fireworks can frighten animals and cause even the most obedient pets to behave out of character. A startled dog or cat may hide or try to escape the noise by digging under, chewing through or climbing over fences. To help make the holiday fun for humans and safe for pets, the Humane Society of Missouri has a few tips for this Fourth of July holiday.

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(KFVS) - The American Red Cross is urging residents to take precautions against the heat.

According to the Centers for Disease Control and Prevention, about 400 Americans die each year due to summer's sweltering heat. In recent years, excessive heat has caused more deaths than all other weather events, including tornadoes, floods and hurricanes.

The Red Cross says everyone is at risk when temperatures rise above 90 degrees; and the elderly and the very young are most susceptible to heat and heat-related illnesses. Heat-related illnesses can cause serious injury and even death if unattended. Signs of heat-related illnesses include nausea, dizziness, flushed or pale skin, heavy sweating and headaches. People with heat-related illness should be moved to a cool place, given cool water to drink and ice packs or cool wet cloths should be applied to the skin. If a victim refuses water, vomits or loses consciousness, call 9-1-1 or your local emergency number immediately.