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McAllen Weather Warning NWS WEATHER ALERT FOR THE MCALLEN, TX AREA - Issued: 1032 AM CDT Thu Sep 3 2026 McAllen Weather Warning

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78577 Weather (McAllen, TX)

McAllen, TX WeatherCurrent Conditions and Weather for McAllen, Texas
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Mostly Clear at McAllen (78577), temperature is 104°F40°C, dew point 71°F22°C, humidity 35%. Wind direction is SE at 15 mphat 24 km/h with visibility of 10 mi16 km. Barometric pressure is 29.77 in1008 mb. Last update: 4:05 pm.*
*Time is approximately 4:05 pm Thu, Sep 03, 2026. Time will be within 15 minutes of current local time. McAllen weather forecast data is updated every 15 minutes.

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McAllen TX Weather - 5:05 pm

McAllen Weather Forecast

Weather forecast for: Mc Allen TX
Last Update: 4:00 pm CDT Sep 3, 2026
This Afternoon: Sunny and hot, with a high near 104. Heat index values as high as 113. Southeast wind around 11 mph, with gusts as high as 21 mph.
Tonight: Mostly clear, with a low around 82. South southeast wind 9 to 15 mph, with gusts as high as 28 mph.
Friday: Mostly sunny and hot, with a high near 102. Heat index values as high as 111. South southeast wind 8 to 13 mph, with gusts as high as 22 mph.
Friday Night: Mostly clear, with a low around 81. Southeast wind 7 to 14 mph, with gusts as high as 25 mph.
Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 101. Southeast wind 7 to 10 mph.
Saturday Night: Partly cloudy, with a low around 81. South southeast wind 6 to 11 mph, with gusts as high as 23 mph.
Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 102. Southeast wind 5 to 9 mph.
Sunday Night: Mostly clear, with a low around 80. South southeast wind 6 to 11 mph, with gusts as high as 22 mph.
Labor Day: Sunny and hot, with a high near 101. Southeast wind 5 to 11 mph, with gusts as high as 20 mph.
Monday Night: Partly cloudy, with a low around 80. Southeast wind 6 to 13 mph, with gusts as high as 23 mph.
Tuesday: A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 100. Southeast wind 6 to 13 mph, with gusts as high as 22 mph.
Tuesday Night: Partly cloudy, with a low around 79.
Wednesday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98.

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