San Marcos Mercury | Local News from San Marcos and Hays County, Texas
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July 2nd, 2009
Triple digit heat predicted to stay through holiday weekend


The rockets won’t be the only thing glaring over the upcoming holiday weekend, as the heat is predicted to remain in the triple digits.

The National Weather Service (NWS) issued a special weather statement for the Independence Day holiday, saying that afternoon highs are expected to be around 100-102 degrees. The heat index, which combines air temperature and relative humidity, could make it feel as hot as 108 degrees.

Those venturing out this holiday weekend are advised to wear light colored, loose fitting and lightweight clothes. Additionally, people should avoid being in the sun during the hottest part of the day, usually from 2-7 p.m. Remember to drink plenty of water, check on the elderly and provide water for family pets.

The San Marcos Environmental Health Department issued an additional advisory, reminding residents how quickly temperatures can rise in a vehicle that’s left in the sun. Temperatures can reach 140 degrees inside a car within 15 minutes if the outside temperature is 100 degrees.

The heat can be deadly, as well. From 1979-2003, excessive heat exposure caused 8,015 deaths. Many of them were preventable.

The NWS said a slight chance of afternoon and evening showers exists for early next week, as the current subtropical ridge may be forced away by a series of fast moving weather systems passing through the area to the east and northeast.

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