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5-day forecast / Van Alstyne, TX

WednesdayMostly Sunny99° / 79° 2%
ThursdayMostly Sunny100° / 79°
FridayMostly Sunny101° / 80° 5%
SaturdaySunny97° / 72° 8%
SundaySunny93° / 73° 2%

Heat Advisory in Effect for Van Alstyne as Temperatures Climb - Jul 28, 8 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 97F. Highs near 97F today and 99F tomorrow bring heat index values up to 109F.

Marlene Ortiz

July 29, 20262 min read

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

*As of Jul 28, 8 PM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Van Alstyne, Texas, signaling significant heat stress for the area. The National Weather Service has issued this moderate-severity alert due to rising temperatures and humidity levels. As of this evening, the air temperature stands at 91F, but the combination of heat and moisture makes it feel like 97F.

The relative humidity is at 49%, with a dew point of 70F, indicating quite humid conditions that will linger into the night. Winds are blowing from the south at 8 mph, with gusts reaching up to 13 mph, under a clear sky.

Forecast for Today and Tomorrow

Today, residents can expect partly cloudy skies with a high near 97F and a low near 79F. There is no chance of precipitation today. As tonight approaches, skies will remain partly cloudy.

Temperatures will drop to a low around 79F, though they may rise slightly to around 81F overnight. The heat index is expected to reach as high as 102F. South winds will continue at 5 to 10 mph.

Tomorrow, the heat will intensify with mostly sunny skies and a high near 99F. The heat index is forecast to climb as high as 109F, creating dangerous conditions for prolonged outdoor exposure. South southwest winds will persist at 5 to 10 mph.

There is only a 2% chance of precipitation. Temperatures will fall to a low near 79F, with a slight overnight rise to around 81F and a heat index up to 107F.

Safety Reminders

Given the active Heat Advisory and high heat index values, it is crucial to stay hydrated and limit midday exertion. Check on elderly neighbors and those without air conditioning. Avoid prolonged sun exposure during the hottest parts of the day and seek air-conditioned environments when possible.

The combination of high temperatures and humidity increases the risk of heat-related illnesses, so please take necessary precautions to stay cool and safe.

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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