High pressure over the eastern US and Texas has produced extremely hot weather through the last several days. The high pressure is directly over Texas and is as strong as it can get for this time of year.

The combination of dry conditions and hot temperatures are a simple feedback loop. That’s where things get drier and hotter each day with the dryness reinforcing the heat and vice-versa. The result is usually a string of 100+ degree days. Most of Central Texas has seen temperatures just above 100 and low to middle 100s will occur Sunday and Monday.

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A Heat Advisory is in effect from 2 pm to 8 pm Friday due to dangerously hot conditions for South Central Texas. The advisory will likely be in effect each afternoon through Monday. Heat is typically the leading cause of weather-related fatalities each year. Never leave children, disabled or elderly adults or pets in parked vehicles. Studies have shown that the temperature inside a parked vehicle can rapidly rise to a dangerous level for children, pets and even adults.

During extremely hot and humid weather, your body's ability to cool itself is challenged. When the body heats too rapidly to cool itself properly, or when too much fluid or salt is lost through dehydration or sweating, body temperature rises and you or someone you care about may experience a heat-related illness. It is important to know the symptoms of excessive heat exposure and the appropriate responses.

The hot trend is forecast to ease somewhat next week as the high pressure aloft drifts westward. This will allow highs to fall into the upper 90s and a small chance of rain Tuesday and Wednesday.

See the details in the Seven Day Forecast.

Dan Robertson

Twitter: @TexasThunderman

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