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5-day forecast / Van Alstyne, TX

ThursdaySunny97° / 77° 1%
FridaySunny97° / 77° 2%
SaturdaySunny97° / 77° 2%
SundaySunny97° / 77°
MondaySunny96° / 77° 1%

Dangerous heat in Van Alstyne: 99F feels like 102F this evening - Aug 5, 5 PM

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

Van Alstyne is at 99F this evening, with a heat index of 102F under a clear sky. Sunny, very hot weather continues today and tomorrow with only a 1% rain chance.

Marlene Ortiz

August 5, 20261 min read

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

*As of Aug 5, 5 PM local time.*

Dangerous heat leads the evening

Dangerous heat is the main weather concern in Van Alstyne this evening. The air temperature is 99F, and it feels like 102F under a clear sky. Relative humidity is 33%, with a dew point of 64F. Wind is at 12 mph, with gusts reaching 14 mph.

Those numbers mean the heat remains stressful even without much cloud cover or rain nearby. The current heat index is higher than the air temperature, so outdoor activity can feel more taxing than the thermometer alone suggests.

Forecast through tomorrow

Today’s forecast is sunny, with a high near 98F and a low near 78F. The chance of precipitation is 1%. The official forecast also notes heat index values as high as 100, with south wind around 10 mph.

Tonight is expected to be mostly clear, with a low around 78F. Heat index values may be as high as 101, with south southeast wind at 5 to 10 mph.

Tomorrow stays sunny, with a high near 97F and a low near 77F. The chance of precipitation remains 1%. Heat index values may climb as high as 100, with south southwest wind at 5 to 10 mph.

Alerts and safety

There are no active NWS/NOAA weather alerts for Van Alstyne.

Even without an alert, this level of heat calls for caution. Drink water, take breaks if you are outside, and limit strenuous activity when you can. Check on people who may be more vulnerable to heat, and keep pets supplied with shade and water.

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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