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5-day forecast / Van Alstyne, TX

SundaySunny99° / 79° 1%
MondaySunny100° / 79°
TuesdaySunny100° / 80° 1%
WednesdayMostly Sunny101° / 80° 1%
ThursdayMostly Sunny101° / 80° 2%

Heat Advisory in Effect for Van Alstyne as Temperatures Climb Near 100 - Jul 26, 4 AM

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

A Heat Advisory is active for Van Alstyne, TX, with highs near 99 today and 100 tomorrow. Humidity remains high with a dew point of 70F.

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 AM local time.*

Current Conditions and Alert Overview

A Heat Advisory is currently in effect for Van Alstyne, Texas, signaling moderate severity and expected urgency. Residents are advised to take precautions as the region experiences significant heat and humidity. Right now, it is Sunday overnight, and the air temperature stands at 81F, with a feels-like temperature of 84F.

The relative humidity is at 70%, and the dew point is 70F, indicating quite humid conditions. Winds are blowing from the south southwest at 6 mph, with gusts reaching up to 16 mph, while the sky remains clear.

Forecast for Today and Tomorrow

Today, the sky will be sunny with a high near 99F and a low near 79F. The chance of precipitation is just 1%. Heat index values are expected to reach as high as 107.

Winds will be from the south southwest at 5 to 10 mph. Tonight, conditions will be mostly clear. Temperatures will drop to a low around 78, with readings rising to around 80 overnight.

The heat index will remain high at 104. Winds will shift to the south at 5 to 10 mph.

Tomorrow, the forecast calls for sunny skies with a high near 100F and a low near 79F. There is a 0% chance of precipitation. Heat index values are projected to hit 107.

Winds will be from the south southwest around 10 mph. Tomorrow night, the sky will be clear with a low around 79, rising to around 81 overnight. Winds will be from the south around 10 mph.

Safety Reminders

Given the active Heat Advisory and high heat index values, it is crucial to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly and those without air conditioning. Wear lightweight, light-colored clothing and seek air-conditioned environments during the hottest parts of the day.

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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