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5-day forecast / Van Alstyne, TX

MondaySunny103° / 78° 2%
TuesdaySunny101° / 79°
WednesdaySunny101° / 78° 1%
ThursdaySunny101° / 77° 7%
FridaySunny99° / 75° 7%

Humid start in Van Alstyne with heat building toward 99 - Aug 7, 5 AM

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

Van Alstyne is starting out quite humid, with a 72F dew point and 74% humidity. Sunny heat is expected today, with no active NWS/NOAA weather alerts.

Marlene Ortiz

August 7, 20261 min read

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

*As of Aug 7, 5 AM local time.*

Humid, clear start

Van Alstyne’s notable weather feature is the humidity. Current readings show an air temperature of 81F, but it feels like 85F with relative humidity at 74% and a dew point of 72F. The sky is clear, and wind is moving at 8 mph with gusts to 14 mph.

That moisture in the air will make the heat feel heavier as the temperature climbs. Today is expected to stay sunny, with a high near 99F and only a 3% chance of precipitation. Heat index values may reach as high as 101F. Wind is expected from the south southwest at 5 to 10 mph.

Tonight and tomorrow

Tonight should remain mostly clear, with a low around 77F. Temperatures may rise to around 79F later tonight, and heat index values could be as high as 102F. Wind is expected from the southeast at 5 to 10 mph.

Tomorrow stays sunny, with a high near 97F and a low around 76F. The chance of precipitation is 14%, and heat index values may again climb as high as 101F. Wind is expected from the south at 5 to 10 mph.

Alerts and safety

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

Even without an alert, the combination of high heat and humidity can wear people down. Drink water, take breaks in shade or air conditioning when possible, and limit strenuous outdoor activity during the hottest stretch. 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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