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5-day forecast / Van Alstyne, TX

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

Dangerous Heat Index Hits 101 in Van Alstyne as Temperatures Climb - Aug 9, 5 PM

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

Van Alstyne residents face dangerous heat with a current feels-like temperature of 101F. Sunny skies and high humidity persist through tonight and tomorrow.

Marlene Ortiz

August 9, 20261 min read

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

*As of Aug 9, 5 PM local time.*

Current Conditions and Heat Risk

The air in Van Alstyne is currently holding a temperature of 95F, but the combination of heat and moisture makes it feel significantly hotter. The current feels-like temperature stands at 101F, creating dangerous conditions for anyone spending time outdoors. Relative humidity is sitting at 44%, with a dew point of 70F indicating substantial moisture in the air.

Winds are blowing from the south-southeast at 12 mph, with gusts reaching up to 14 mph. The sky remains clear as of this evening on Sunday.

Forecast for Today and Tonight

Today is expected to be sunny with a high near 97F. The heat index will reach values as high as 101 during the day. Overnight, skies will stay clear with a low around 76F.

Temperatures may rise slightly to around 78F overnight. Winds will continue from the south-southeast at speeds between 10 and 15 mph. The heat index will remain elevated, reaching as high as 98 during the night hours.

Outlook for Tomorrow

Tomorrow will also be sunny with a high near 98F. The heat index is forecast to reach values as high as 101 again. Winds will shift slightly to the south, maintaining speeds of 10 to 15 mph.

Overnight into tomorrow night, skies will clear once more with a low around 76F. Temperatures may rise to around 79F overnight. The heat index will reach as high as 100 during this period.

Safety Reminder

With dangerous heat indices exceeding 100F both today and tomorrow, it is critical to stay hydrated and limit midday exertion. Check on neighbors who may be vulnerable to extreme heat. Ensure pets have access to cool water and shade. Avoid prolonged exposure to the sun during peak heat hours.

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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