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5-day forecast / Van Alstyne, TX

SundaySunny100° / 77°
MondaySunny99° / 77°
TuesdaySunny98° / 76° 3%
WednesdaySunny96° / 76° 2%
ThursdaySunny96° / 77° 4%

Dangerous Heat Grips Van Alstyne as Temperatures Hit 100 - Aug 30, 2 PM

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

Van Alstyne residents face dangerous heat today with a high near 100F and feels-like temperatures reaching 102F. No severe weather alerts are active, but hydration is critical.

Marlene Ortiz

August 30, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Aug 30, 2 PM local time.*

Current Conditions and Heat Index

Dangerous heat is currently gripping Van Alstyne, TX, as the sun beats down on the community this Sunday afternoon. The air temperature stands at a sweltering 99F, but the combination of heat and humidity pushes the feels-like temperature to 102F. Relative humidity is sitting at 33%, with a dew point of 64F contributing to the muggy atmosphere.

Winds are light, blowing from the south at 8 mph with gusts reaching up to 13 mph. The sky remains mostly clear, offering no relief from the intense solar radiation.

Forecast for Today and Tomorrow

The National Weather Service indicates that today will remain sunny with a high near 100F. Heat index values are expected to climb as high as 104 during the peak heat of the day. South winds will persist around 10 mph, offering little respite from the warmth. There is no chance of precipitation today, leaving the region dry and hot.

Tonight, conditions will ease slightly with mostly clear skies allowing for some cooling. The low will drop to around 77F, though temperatures may rise to approximately 79F overnight. Heat index values will remain elevated at up to 103. South winds will decrease to between 5 and 10 mph.

Tomorrow brings another sunny day with a high near 99F. The heat index is forecast to reach as high as 102. South winds will continue at 5 to 10 mph.

Tomorrow night will also be mostly clear, with a low around 77F and temperatures rising to about 79F overnight. Heat index values will drop slightly to a high of 99, with south southeast winds maintaining the 5 to 10 mph speed.

Safety Reminders

With no active National Weather Service or NOAA weather alerts in effect for severe storms, the primary concern remains extreme heat. Residents are urged to stay hydrated and limit midday exertion when possible. Check on elderly neighbors and ensure pets have access to cool water and shade. Avoid prolonged exposure to direct sunlight during the hottest parts of the day to prevent heat-related illnesses.

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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