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5-day forecast / Van Alstyne, TX

SundaySlight Chance Showers And Thunderstorms99° / 77° 12%
MondaySunny99° / 77° 7%
TuesdaySunny99° / 77° 4%
WednesdaySunny98° / 77° 2%
ThursdaySunny then Slight Chance Rain Showers96° / 76° 17%

Heat Advisory in Effect for Van Alstyne as Temperatures Soar - Sep 6, 2 PM

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

A Heat Advisory is active for Van Alstyne, TX, with heat index values reaching 104F. Residents should take precautions against dangerous heat conditions today and tomorrow.

Marlene Ortiz

September 6, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 6, 2 PM local time.*

Dangerous Heat Conditions Underway

Van Alstyne, TX, is currently under an active Heat Advisory issued by the National Weather Service. The alert remains in effect until this evening, signaling moderate severity and expected urgency for the region. Current conditions reflect the intensity of the heat, with the air temperature at 97F while the feels-like temperature reaches a dangerous 104F.

Humidity levels are notable, with a dew point of 70F and relative humidity at 42%. Winds are blowing from the southeast at 7 mph, with gusts reaching up to 13 mph, under partly cloudy skies.

Forecast for Today and Tomorrow

Today, high temperatures will reach near 99F, with lows dropping to around 77F. There is a slight chance of showers and thunderstorms, specifically after 4pm today. The National Weather Service notes that heat index values could climb as high as 102 during the day. Winds will remain light, ranging from southeast at 5 to 10 mph.

Tonight, conditions will become mostly clear with a low near 77F. A slight chance of showers and thunderstorms persists before 7pm. Overnight heat index values may reach 103, with south winds between 0 and 10 mph. Temperatures are expected to rise slightly to around 79F during the night.

Tomorrow brings sunny skies with a high near 99F and a low near 77F. The chance of precipitation drops to 7%. Heat index values are forecast to reach as high as 104F. Winds will shift to south southeast, ranging from 0 to 10 mph. Tomorrow night will be mostly clear with lows around 77F and heat indices up to 104.

Safety Reminders

Given the active Heat Advisory and feels-like temperatures of 104F, it is critical to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on neighbors who may be vulnerable to extreme heat. Ensure that pets and livestock have access to ample shade and cool water. Avoid prolonged exposure to direct sunlight, and seek air-conditioned environments when possible.

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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