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5-day forecast / Van Alstyne, TX

SundaySunny105° / 81° 1%
MondayMostly Sunny105° / 81° 2%
TuesdaySlight Chance Showers And Thunderstorms then Sunny104° / 79° 14%
WednesdaySlight Chance Showers And Thunderstorms100° / 77° 16%
ThursdaySunny99° / 76° 13%

Extreme Heat Warning in Effect for Van Alstyne as Temperatures Soar - Aug 23, 2 PM

Van Alstyne weather, updated every four hours — local forecasts you can trust.

Van Alstyne residents face dangerous heat with an active Extreme Heat Warning. Current feels-like temperatures reach 105F, with highs near 103F today and 105F tomorrow.

Marlene Ortiz

August 23, 20262 min read

National Weather Service radar for North Texas (KFWS)
National Weather Service radar for North Texas (KFWS)

*As of Aug 23, 2 PM local time.*

Dangerous Heat Conditions Underway

An Extreme Heat Warning is currently in effect for Van Alstyne, Texas, signaling severe heat conditions that pose significant risks to health and safety. As of this Sunday afternoon, the air temperature stands at 102F, but the combination of heat and humidity creates a feels-like temperature of 105F. The relative humidity is at 28%, with a dew point of 63F.

Winds are blowing from the south southwest at 10 mph, with gusts reaching up to 16 mph under clear skies.

The National Weather Service has issued this warning due to the intensity and duration of the heat. Residents should treat these conditions with extreme caution. The heat index values are expected to remain dangerously high throughout the period covered by the alert.

Forecast for Today, Tonight, and Tomorrow

Today remains sunny with a high near 103F. Heat index values will climb as high as 105. Winds will be from the south southwest at 5 to 10 mph. The chance of precipitation is minimal at just 1%.

Tonight, skies will become mostly clear. Temperatures will drop to a low around 81F, though they may rise slightly to around 83F overnight. Heat index values will remain elevated as high as 103. Winds will shift to the south at 5 to 10 mph.

Tomorrow brings continued heat with mostly sunny skies and a high near 105F. The heat index is forecast to reach as high as 104. Winds will increase slightly, coming from the southwest at 10 to 15 mph. The chance of precipitation remains very low at 2%.

Safety Reminders

Given the active Extreme Heat Warning, it is critical to stay cool and hydrated. Limit outdoor exertion, especially during the hottest parts of the day. Check on neighbors and vulnerable individuals who may be affected by the extreme heat.

Ensure that pets have access to shade and water. If you must be outside, seek air-conditioned spaces regularly and wear lightweight, light-colored clothing. Do not leave children or animals in parked vehicles.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

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Marlene Ortiz

Marlene Ortiz covers weather, storms, and seasonal life across Van Alstyne and Grayson County.

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