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Mount Vernon Weather Warning NWS WEATHER ALERT FOR THE MOUNT VERNON, TX AREA - Issued: 1148 PM CDT Sat Sep 12 2026 Mount Vernon Weather Warning

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75478 Weather (Mount Vernon, TX)

Mount Vernon, TX WeatherCurrent Conditions and Weather for Mount Vernon, Texas
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Clear at Mount Vernon (75478), temperature is 75°F24°C, dew point 71°F22°C, humidity 89%. Wind direction is N at 0 mphat 0 km/h with visibility of 10 mi16 km. Barometric pressure is 29.99 in1015 mb. Last update: 6:03 am.*
*Time is approximately 6:03 am Sun, Sep 13, 2026. Time will be within 15 minutes of current local time. Mount Vernon weather forecast data is updated every 15 minutes.

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Mount Vernon TX Weather - 7:03 am

Mount Vernon Weather Forecast

Weather forecast for: Mount Vernon TX
Last Update: 4:15 am CDT Sep 13, 2026
Today: A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 100. Heat index values as high as 106. South wind around 5 mph.
Tonight: Mostly clear, with a low around 76. South wind around 5 mph.
Monday: Sunny and hot, with a high near 99. Heat index values as high as 106. South wind 5 to 10 mph.
Monday Night: Clear, with a low around 75. South wind 5 to 10 mph.
Tuesday: Sunny and hot, with a high near 98. South wind 5 to 10 mph.
Tuesday Night: Mostly clear, with a low around 75.
Wednesday: Sunny and hot, with a high near 98.
Wednesday Night: Mostly clear, with a low around 75.
Thursday: Sunny and hot, with a high near 98.
Thursday Night: Mostly clear, with a low around 73.
Friday: Sunny and hot, with a high near 97.
Friday Night: Mostly clear, with a low around 70.
Saturday: Sunny, with a high near 94.

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