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5-day forecast / Van Alstyne, TX

MondaySunny100° / 77°
TuesdaySunny100° / 80°
WednesdayMostly Sunny100° / 80° 1%
ThursdayMostly Sunny100° / 80° 2%
FridayMostly Sunny101° / 80° 4%

Heat Advisory in Effect for Van Alstyne as Temperatures Climb - Jul 26, 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 109F. Current conditions show a feels-like temperature of 105F under clear skies.

Marlene Ortiz

July 26, 20262 min read

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

*As of Jul 26, 4 PM local time.*

Dangerous Heat Conditions Underway

A Heat Advisory is currently in effect for Van Alstyne, Texas, signaling dangerous heat conditions for the region. As of this Sunday afternoon, the air temperature stands at 97F, but the combination of heat and humidity makes it feel like 105F. The relative humidity is at 44%, with a dew point of 72F, contributing to the oppressive atmosphere.

Winds are blowing from the south at 13 mph, with gusts reaching 14 mph, while the sky remains clear.

Forecast for Today and Tomorrow

The National Weather Service forecasts continued hot and sunny conditions through the end of the week. Today, residents can expect a high near 99F with a low near 78F. The heat index is expected to reach as high as 108F during the day. South winds will be around 10 mph, and there is a 0% chance of precipitation.

Tonight, skies will become mostly clear with a low around 78F. Temperatures may rise to around 80F overnight, with heat index values peaking at 106F. South winds will decrease to 5 to 10 mph.

Tomorrow, the heat will persist with a high near 100F and sunny skies. The heat index is projected to climb to 109F. South southwest winds will be around 10 mph, and precipitation chances remain at 0%.

Tomorrow night will be mostly clear with a low around 79F, and temperatures rising to around 81F overnight. Heat index values will again reach 106F, with south winds of 5 to 10 mph.

Safety Reminders

Given the active Heat Advisory and the high heat index values, it is crucial to take precautions against heat-related illnesses. Stay hydrated by drinking plenty of water, even if you do not feel thirsty. Limit outdoor exertion, especially during the hottest parts of the day.

Check on elderly neighbors and those who may be vulnerable to extreme heat. If you must be outside, seek shade and wear lightweight, light-colored clothing. Be aware of the signs of heat exhaustion and heat stroke, and seek medical attention immediately if symptoms appear.

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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