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5-day forecast / Van Alstyne, TX

TodaySlight Chance Rain Showers92° / 77° 11%
SaturdaySunny95° / 76° 2%
SundaySunny96° / 77°
MondaySunny95° / 77°
TuesdaySunny97° / 79°

Humid Heat Returns to Van Alstyne With Highs Near 95

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

Van Alstyne faces rising heat and humidity today with a high near 92 and a heat index up to 99. Tomorrow brings sun and highs near 95 with a heat index reaching 100.

Marlene Ortiz

June 26, 20262 min read

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

Current Conditions and Humidity

Van Alstyne is experiencing a notably humid afternoon today. The air temperature currently sits at 86F, but the heat index makes it feel like 92F. Relative humidity is at 62%, with a dew point of 72F indicating significant moisture in the air. Winds are blowing from the south southwest at 20 mph, with gusts reaching 25 mph. The sky remains clear overhead.

Today and Tonight Forecast

Temperatures will climb to a high near 92F today. The National Weather Service indicates a slight chance of rain showers before 1pm, though the chance of precipitation is only 11%. After that, skies will turn mostly sunny. Heat index values are expected to reach as high as 99 during the day.

As evening approaches, conditions will become mostly clear. Lows will drop to near 77F, though temperatures may rise slightly to around 79F overnight. Winds will continue from the south around 15 mph, with gusts up to 25 mph. The heat index remains elevated, staying as high as 99 during the evening hours.

Tomorrow Outlook

The heat will intensify tomorrow. Skies will be sunny with a high near 95F. The heat index is forecast to reach 100, signaling dangerous heat levels. Winds will shift to the south southwest at 15 to 20 mph, with gusts as high as 30 mph. The chance of precipitation drops to just 2%.

Tomorrow night will be mostly clear with a low around 76F. Temperatures may rise to around 78F overnight. Winds will remain south at 15 to 20 mph, with gusts up to 30 mph. The heat index will stay as high as 100.

Safety Reminder

With heat index values reaching 100, extreme caution is advised. Stay hydrated and limit midday exertion. Check on neighbors, especially the elderly, who may be more vulnerable to high heat. There are no active weather alerts, but the combination of high temperatures and humidity requires vigilance.

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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