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5-day forecast / Van Alstyne, TX

WednesdaySunny100° / 78° 2%
ThursdaySunny98° / 77° 1%
FridaySunny98° / 77° 1%
SaturdaySunny97° / 77° 1%
SundaySunny97° / 77° 1%

Very hot, humid weather settles over Van Alstyne today - Aug 5, 8 AM

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

Van Alstyne is clear and humid this morning, with 82F air and a feels-like reading of 87F. Today’s high is near 100F, with very little chance for rain.

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, 8 AM local time.*

Heat and humidity build today

Van Alstyne is starting this morning clear, humid and already warm, with the air temperature at 82F and a feels-like reading of 87F. Relative humidity is 70%, and the dew point is 72F, keeping the air feeling sticky. Wind is 7 mph, with gusts to 14 mph.

The main weather story today is the heat. The forecast calls for sunny skies and a high near 100F, with heat index values as high as 102. The chance of precipitation is 2%, so rain is not expected to offer much relief. Wind today is forecast from the south southwest at 5 to 10 mph.

Tonight and tomorrow

Tonight should stay mostly clear, with a low around 78. Temperatures may rise to around 80 overnight, and heat index values may still reach as high as 102. Wind is expected from the south southeast at 5 to 10 mph.

Tomorrow stays sunny and hot, with a high near 98F and a low near 77F. The chance of precipitation is 1%. Heat index values may climb as high as 103, and south wind is expected at 5 to 10 mph.

Alerts and safety reminder

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

With heat near 100F and humid air in place, keep outdoor activity moderate where possible, drink water regularly, and take breaks in shade or air conditioning. Check on people who may be more sensitive to heat, including older adults, young children and anyone without reliable cooling.

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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