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Last Map Update: Thu, Jun. 22, 2017 at 10:26:09 pm CDT

National Weather Service Corpus Christi, TXNational Weather Service Corpus Christi, TXNational Weather Service Corpus Christi, TX
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Record high temperatures were broken across the Rio Grande Valley this afternoon. The most notable was at McAllen Miller International Airport where today had set the **all-time high temperature record** of 111 degrees (since records began in 1961), which broke the prior all time record of 110 set twice, on May 4, 1999 and June 15, 1998. June 22, 2017 will go down as one of the hottest days on record across the Rio Grande Valley, as most inland locations reached 105 or higher.
The heat wave will continue for one more day across the Rio Grande Valley. While temperatures will be a little lower than Thursday, increasing humidity will make up the difference.
A warm and dry night will be expected across Deep South Texas featuring mostly clear skies and temperatures in the upper 70s into the lower 80s. For the mariners, expect southerly winds on the coastal waters with choppy conditions subsiding to a moderate chop on the bay and gulf seas of 5 to 9 feet, occasionally up to 11 feet from 0 to 60 nautical miles out. Small craft advisories continue on the Laguna Madre and coastal gulf waters.
Hot and dry conditions combined with breezy winds will present an elevated fire danger for Friday. Burning is discouraged. Potentially dangerous heat is expected through Friday with high temperatures topping off near 105-107 and heat index values near 110 or possibly more across the upper valley. An inverted trough and increased moisture coupled with an approaching frontal boundary will bring a chance of showers and thunderstorms to deep south Texas and the Rio Grande Valley this weekend into next week. The best chance for showers and thunderstorms is on Sunday and Monday. After a scorching week, temperatures return to normal this weekend into next week with lows in the mid 70s and highs in the low to mid 90s.

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