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Last Map Update: Wed, Jul. 26, 2017 at 5:49:10 am CDT

National Weather Service Austin/San Antonio, TXNational Weather Service Austin/San Antonio, TXNational Weather Service Houston/Galveston, TX
National Weather Service Austin/San Antonio, TXZoom
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National Weather Service Brownsville/Rio Grande Valley, TXNational Weather Service Brownsville/Rio Grande Valley, TX

Heat Advisory will be in effect for Nueces, Kleberg, Duval, and Jim Wells Counties from Noon to 6 PM CDT today. Maximum heat indices will be 110 to 115 degrees for the areas under the Heat Advisory. Elsewhere, afternoon heat indices between 105 to 109 degrees are expected over the remainder of South Texas. These high heat indices are potentially dangerous, so follow the precautions and advise in the graphicast.
Another warm and humid day is in store for South Texas. Heat index values of 105 to 115 degrees can be expected across the area this afternoon. A Heat Advisory is in effect for Nueces, Kleberg, Jim Wells and Duval Counties for heat indices between 110 and 115 degrees, with other South Texas Counties expected to have heat indices between 105 and 109 degrees. Highs will range from the lower 90s coast, and the mid 90s to around 103, the latter temperatures over western-most portions of South Texas. Stay hydrated!
Tonight will be warm and humid. Isolated showers may develop over the gulf waters overnight, but overall it will be quiet under partly cloudy skies. Lows will be in the mid to upper 70s inland and lower 80s coast.
Isolated showers and thunderstorms are expected Wednesday and Thursday, mainly over the Coastal Bend, Victoria Crossroads and over the adjacent Waters. Drier atmospheric conditions will preclude significant precipitation Friday and Saturday. The proximity of a weak frontal boundary may contribute to isolated showers and thunderstorms Sunday and Monday. Low temperatures will range from the mid 70s to the lower 80s. Highs from the lower 90s near the Coast to the low 100s over the Rio Grande Plains. Heat Advisory conditions may occur Wednesday afternoon. Maximum Heat Index values 105 to 109 expected Thursday through Sunday, yet brief Heat Advisory conditions may occur at some locations Tuesday through Saturday.

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