Heat Indices up to 106 degrees with early clouds/fog but sunny skies later today
Thursday Weather 6-9-22
Extended Forecast: Saturday through Thursday:
Synopsis: High pressure is stretched out from the Four Corners Region to Southeast Texas. The high-pressure is moving southwest staying completely over the forecast area Thursday and Thursday night. This will keep hot and dry conditions going in South Texas.
Airflow out of the south/southeast (25-35 mph winds) will bring moisture and cloud development to the area overnight on Wednesday into Thursday morning. The clouds will disperse during the early to mid-morning hours as skies become mostly sunny.This airflow out of the Gulf will keep moisture levels (dewpoints, humidity) high, allowing for heat indices to range from 105-109 degrees over most locations other than on the coast on Thursday. Some spots could see 110 degrees or warmer for Heat Index Value temperatures for short periods of time.
Clouds will develop again Thursday night into Friday morning before dispersing again as the sun heats up the area.
For the long-term period, Friday through Wednesday, hot and humid conditions continue through the long-term period. High pressure from the west will be directly over the forecast area over the weekend. Meaning temperatures will be even hotter.The low-level moisture intrusion from the Gulf will keep the area humid as heat indices push to 110 degrees plus away from the coast. Heat Advisories are likely over the weekend as temperatures warm from the mid 90’s to 110 degrees combined with even hotter temperatures with the heat indices.
The hottest days will be Saturday and Sunday along with the Saharan Dust moving in as well. The dust will make it hazy as well as adding allergen potential. It is recommended to stay hydrated, and limit outdoor strenuous activities while wearing plenty of sunblock.
The high-pressure will slowly move off to the east early next week with temperatures slightly cooling each day as the high moves further from South Texas.
Heat Indices through Wednesday will still range from 105-109 degrees.
This will be on the cusp of more heat advisory criteria. As winds pick up and humidity levels fall (20-30 percent) from Sunday afternoon through Tuesday, then Elevated Fire Weather conditions will be of a concern.
Saharan Dust (plumes), moving east to west through the Caribbean Sea will make its way into South Texas. The dust will make its way into South Texas by Saturday morning and should last through Tuesday. This will add hazy to the hot conditions.
Tropical Weather Update: Tropical Storm Activity is not expected over the next 48-hours.
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