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5-day forecast / Van Alstyne, TX

TuesdaySunny100° / 79°
WednesdayMostly Sunny99° / 79° 2%
ThursdayMostly Sunny100° / 79°
FridayMostly Sunny101° / 80° 5%
SaturdaySunny97° / 72° 8%

Heat Advisory in Effect for Van Alstyne as Temperatures Soar - Jul 28, 12 PM

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

A Heat Advisory is active for Van Alstyne, TX, with heat index values reaching up to 107F. Residents are urged to take precautions against dangerous heat conditions today and tomorrow.

Marlene Ortiz

July 28, 20262 min read

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

*As of Jul 28, 12 PM local time.*

Dangerous Heat Conditions Underway

A Heat Advisory is currently in effect for Van Alstyne, Texas, signaling dangerous heat conditions that require caution. As of this afternoon, the air temperature stands at 93F, but the combination of heat and humidity makes it feel like 101F. The relative humidity is at 50%, with a dew point of 72F, contributing to the muggy atmosphere.

Winds are light, blowing at 6 mph with gusts reaching 5 mph, under a clear sky.

The National Weather Service has issued this advisory with moderate severity and expected urgency. The official alert runs from July 28 at 12:31PM CDT until July 29 at 8:00PM CDT. During this period, heat index values are expected to climb significantly, posing a risk to health and safety for those exposed to the elements for extended periods.

Forecast for Today and Tomorrow

Today, the sky will remain sunny with a high near 100F. The heat index is forecast to reach as high as 107F. South southwest winds will range from 5 to 10 mph. There is no chance of precipitation today.

Tonight, conditions will transition to mostly clear skies. The low will drop to around 79F, though temperatures may rise to approximately 81F overnight. The heat index will remain elevated, with values as high as 104F. South winds will continue at 5 to 10 mph.

Tomorrow, the sun will return with a high near 99F. Heat index values are again expected to peak at 107F. South southwest winds will persist at 5 to 10 mph. Like today, there is no chance of rain.

Safety Reminders

Given the active Heat Advisory and high heat index values, it is critical to stay hydrated and limit midday exertion. Seek air-conditioned environments during the hottest parts of the day. Check on neighbors, especially the elderly and those without adequate cooling.

Wear lightweight, light-colored clothing and use sunscreen if you must be outdoors. Do not leave children or pets in parked vehicles. Monitor local weather updates for any changes to the advisory status.

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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