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5-day forecast / Van Alstyne, TX

TodayMostly Sunny91° / 76° 2%
SundayShowers And Thunderstorms Likely84° / 66° 66%
MondayShowers And Thunderstorms78° / 63° 77%
TuesdayMostly Sunny85° / 71° 2%
WednesdaySunny92° / 77° 1%

Van Alstyne Heat Index Hits 97F Today With Humid Conditions

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

Van Alstyne residents face very hot conditions this afternoon with a heat index near 97F. Humidity remains high, and temperatures will stay elevated through tomorrow.

Marlene Ortiz

June 9, 20262 min read

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

Current Conditions and Heat

It is currently Tuesday this afternoon in Van Alstyne, TX, where the air temperature stands at 90F. The heat index is making it feel significantly warmer, with a feels-like temperature of 96F. Humidity levels are contributing to the muggy atmosphere, with a relative humidity of 56% and a dew point of 72F. Winds are blowing from the south at 17 mph, with gusts reaching up to 28 mph. The sky remains clear overhead.

Forecast for Today and Tomorrow

Today, the high will reach near 90F, with the heat index values climbing as high as 97F. The National Weather Service indicates sunny skies throughout the day. South winds will average around 15 mph. There is a 0% chance of precipitation, so rain is not expected. Temperatures will drop to a low near 76F tonight. Conditions will be mostly clear, with the heat index remaining as high as 97F. South winds will persist at 10 to 15 mph.

Tomorrow, the high will rise slightly to near 91F. The heat index is forecast to reach as high as 101F, indicating dangerous heat stress levels for prolonged exposure. Skies will be mostly sunny, with a 6% chance of precipitation. South winds will continue around 15 mph, with gusts as high as 25 mph. Overnight, temperatures will settle near 76F, though they may rise to around 78F later in the night. The heat index will remain high at 99F, with mostly clear skies and south winds around 15 mph, gusting to 25 mph.

Safety Reminder

With heat index values reaching 97F today and 101F tomorrow, it is crucial to stay hydrated and limit midday exertion. Wear lightweight, light-colored clothing and seek air-conditioned environments when possible. Check on elderly neighbors and those without reliable cooling to ensure their safety during these elevated temperatures.

National Weather Service radar for North Texas (KFWS)
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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Van Alstyne faces a humid start with a dew point of 73F. Today brings mostly sunny skies and a high near 91F, with heat index values reaching 99. Showers and thunderstorms are likely tomorrow.

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