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5-day forecast / Van Alstyne, TX

SundaySunny101° / 77°
MondaySunny103° / 78° 2%
TuesdaySunny101° / 79°
WednesdaySunny101° / 78° 1%
ThursdaySunny101° / 77° 7%

Heat Advisory in Effect for Van Alstyne as Temperatures Climb Near 102 - Aug 16, 11 AM

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 91F. Highs near 100F today and 102F tomorrow bring heat index values up to 106.

Marlene Ortiz

August 16, 20262 min read

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

*As of Aug 16, 11 AM local time.*

Current Conditions and Alert Status

Van Alstyne is currently under an active Heat Advisory issued by the National Weather Service. This moderate-severity alert, which carries expected urgency, remains in effect until August 16 at 8:00PM CDT. Residents should take this warning seriously as temperatures rise significantly above normal for this time of year.

As of Sunday morning, the air temperature stands at 91F, with a feels-like reading also at 91F. The relative humidity is at 36%, and the dew point is recorded at 61F. Winds are blowing from the southwest at 10 mph, with gusts reaching up to 15 mph. The sky remains clear overhead.

Forecast for Today and Tomorrow

Today will be sunny with a high near 100F. According to the National Weather Service, heat index values could reach as high as 105 during the day. Southwest winds will persist around 10 mph. The chance of precipitation is minimal at just 1%.

Tonight, skies will become mostly clear. Temperatures will drop to a low around 77F, though they may rise slightly to around 79F overnight. Heat index values are expected to stay as high as 103. Winds will shift to the south southwest at around 5 mph.

Tomorrow brings another sunny day with a high near 102F. The heat index is forecast to peak at 106, making it feel even hotter than the actual air temperature. Southwest winds will continue between 5 and 10 mph. Precipitation chances remain low at 1%.

Tomorrow night will be mostly clear with a low around 78F. Temperatures may rise to around 80F overnight, with heat index values reaching 104. South winds will average around 5 mph.

Safety Reminders

Given the active Heat Advisory and high heat index values, it is crucial to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on elderly neighbors or those without air conditioning, as extreme heat can be dangerous even for short periods. Keep vehicles parked in shade when possible and never leave people or pets inside closed cars.

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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