Back to Weather

5-day forecast / Van Alstyne, TX

SaturdayMostly Sunny97° / 79° 1%
SundaySunny100° / 78° 1%
MondaySunny100° / 79°
TuesdaySunny101° / 80°
WednesdayMostly Sunny101° / 80°

Heat Advisory in Effect for Van Alstyne as Temperatures Climb - Jul 25, 4 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 109 degrees. Residents are urged to take precautions against dangerous heat.

Marlene Ortiz

July 25, 20262 min read

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

*As of Jul 25, 4 PM local time.*

Dangerous Heat Conditions Underway

Van Alstyne, TX, is currently under a Heat Advisory due to dangerously high temperatures and heat index values. The National Weather Service has issued this alert to warn residents of the significant heat risk. Currently, the air temperature stands at 97F, but the combination of heat and humidity makes it feel like 102F.

The relative humidity is at 39%, with a dew point of 68F. Winds are blowing from the south southwest at 7 mph, with gusts reaching 11 mph, under a clear sky.

Forecast and Alert Details

The Heat Advisory covers two distinct periods. The first is in effect until July 25 at 8:00PM CDT, and the second extends until July 26 at 8:00PM CDT. Both alerts are classified as Moderate severity with Expected urgency.

Today, conditions will remain sunny with a high near 97F. The heat index is expected to reach as high as 107. South southwest winds will be around 10 mph.

The chance of precipitation is minimal at 1%. Tonight, the sky will be mostly clear with a low around 79F. Heat index values will remain elevated, reaching up to 105.

South winds will persist at 5 to 10 mph.

Tomorrow, the heat will intensify further. Expect sunny skies with a high near 100F. The heat index could climb to 109, making it feel significantly hotter than the actual air temperature.

Southwest winds will range from 5 to 10 mph. The chance of rain remains low at 1%. Tomorrow night, skies will clear with a low around 78F, though temperatures may rise to around 80 overnight.

Heat index values will stay high at 107, with south winds of 5 to 10 mph.

Safety Reminders

Given the active Heat Advisory and extreme heat index values, it is critical to stay safe. Hydrate frequently and limit midday exertion to avoid heat-related illnesses. Check on neighbors, especially the elderly and those without air conditioning. Keep pets indoors and never leave them in vehicles. If you feel dizzy, nauseous, or experience confusion, seek air-conditioned shelter immediately and contact emergency services if symptoms persist.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

Share

Marlene Ortiz

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

Related Stories

More in Sport