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5-day forecast / Van Alstyne, TX

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

Heat Advisory in Effect for Van Alstyne as Temperatures Climb - Aug 11, 1 PM

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

A Heat Advisory is active for Van Alstyne, TX, with current feels-like temperatures at 99F. Highs near 98F today and tomorrow bring heat index values up to 104F.

Marlene Ortiz

August 11, 20262 min read

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

*As of Aug 11, 1 PM local time.*

Current Conditions and Alert Status

Van Alstyne, TX, is currently under an active Heat Advisory issued by the National Weather Service. This moderate-severity alert highlights the significant heat risk in the area. As of this Tuesday afternoon, the air temperature stands at 91F, but the combination of heat and humidity makes it feel like 99F.

The relative humidity is at 53%, with a dew point of 72F, indicating quite humid conditions that contribute to the oppressive feeling. Winds are blowing from the south at 7 mph, with gusts reaching up to 14 mph, while the sky remains clear.

Forecast for Today and Tomorrow

The heat will persist through today, with a high near 98F under sunny skies. There is no chance of precipitation. The National Weather Service notes that heat index values could reach as high as 104 during the day. South winds are expected to increase slightly, around 10 mph.

Tonight, conditions will remain clear with a low near 78F. However, temperatures are forecast to rise to around 80F overnight, keeping the heat in play. Heat index values may stay as high as 102. Winds will shift to 10 to 15 mph from the south.

Tomorrow brings another sunny day with a high near 99F. The heat index is expected to peak at 103. South winds will continue at 10 to 15 mph, with gusts potentially reaching 25 mph.

There remains a 0% chance of rain. Tomorrow night will be clear with a low around 78F, though temperatures may rise to 80F overnight again, with heat index values up to 100.

Safety Reminder

Given the active Heat Advisory and high heat index values, it is crucial to stay hydrated and limit prolonged outdoor exertion, especially during the midday hours. Check on neighbors who may be vulnerable to extreme heat and ensure pets have access to cool water and shade.

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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