National Weather Service United States Department of Commerce
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Last Map Update: Sun, Jul. 23, 2017 at 4:04:10 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
Out

National Weather Service Brownsville/Rio Grande Valley, TXNational Weather Service Brownsville/Rio Grande Valley, TX

Isolated showers and thunderstorms may occur overnight, mainly north of Port Aransas. Mariners in small craft should exercise caution over the gulf waters and southern bays for south winds of 15 to 20 knots. Lows overnight will be in the upper 70s inland areas to the lower 80s near the coast.
Hot and humid conditions can be expected Monday along with breezy conditions. A return of deeper moisture will lead to isolated to scattered showers and thunderstorms once again by Tuesday and Wednesday, then decreasing rain chances the latter part of the week. Tuesday and Wednesday may see highs a couple of degrees cooler due to the increase in moisture, then highs rebound by the latter part of the week. These hot conditions along with the humidity will result in heat indices of 105 to 109 each afternoon. A few locations may reach around 110 at times.

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