Heat Advisory for Arnold, St. Louis Metro Area Until Tuesday Night

A heat warning is in effect for Arnold and the St. Louis Area until 7 p.m. Tuesday.

A heat warning means weather conditions are a threat to life and property, according to the National Weather Service (NWS) website. A heat advisory is for less serious conditions that cause discomfort and inconvenience. If caution is not used during a heat advisory, illness can occur.

Dangerous heat levels higher than 110˚F are expected Monday afternoon and evening. Tuesday’s heat is forecast to be between 105 to 110˚. 

Heat-related illnesses, such as heat stroke and heat exhaustion, are more likely to occur to people when they spend more time outdoors.

People who must to work outdoors should schedule their activities in the early morning or late evening, the NWS said. People should also wear light-colored clothing and drink lots of water.

People should also plan plenty of rest breaks and try to work in the shade as much as possible.

Anyone feeling dizzy or lightheaded or experiencing headaches should go into an air-conditioned room immediately. Call 911 immediately if someone has slurred speech or seems unaware of surroundings.