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5-day forecast / Van Alstyne, TX

MondaySunny98° / 77°
TuesdaySunny98° / 75° 2%
WednesdaySunny95° / 76° 13%
ThursdaySlight Chance Rain Showers then Mostly Sunny95° / 76° 15%
FridaySunny96° / 76° 4%

Dangerous Heat Grips Van Alstyne as Temperatures Climb - Aug 31, 2 PM

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

Van Alstyne residents face dangerous heat today with a high near 98F and feels-like temperatures reaching 100F. No severe weather alerts are active, but hydration is critical.

Marlene Ortiz

August 31, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Aug 31, 2 PM local time.*

Dangerous Heat Conditions

Van Alstyne is currently under the influence of intense heat, with air temperatures hitting 99F while the combination of humidity and sun pushes the feels-like temperature to 100F. The current relative humidity sits at 31%, with a dew point of 63F. Winds are blowing from the south at 11 mph, with gusts reaching up to 17 mph, under a clear sky.

The National Weather Service forecasts that today will remain sunny with a high near 98F. Heat index values are expected to climb as high as 101 during the afternoon hours. South winds will persist around 10 mph. There is no chance of precipitation today, leaving the sun unobstructed and temperatures high.

Overnight and Tomorrow Outlook

Temperatures will drop tonight but remain uncomfortably warm. The low will settle near 77F, though conditions may feel warmer as heat index values reach up to 99. Winds will shift slightly to south southeast at 5 to 10 mph. Residents should note that temperatures may actually rise to around 79F during the overnight hours rather than continuing to drop significantly.

Tomorrow brings another sunny day with a high near 98F. The heat index is forecast to peak at 104, making it feel even hotter than the actual air temperature. South southeast winds will continue at 5 to 10 mph.

Precipitation chances remain negligible at just 2%. Overnight tomorrow, skies will be mostly clear with a low around 75F, though temperatures may rise to around 77F later in the night. Heat index values could reach 103 during that period.

Safety Reminders

With feels-like temperatures exceeding 100F today and reaching 104 tomorrow, the risk of heat-related illness is significant. It is vital to stay hydrated by drinking water frequently, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

Wear lightweight, light-colored clothing and seek air-conditioned environments whenever possible. Check on elderly neighbors or those without adequate cooling, as extreme heat can be dangerous for vulnerable populations.

There are no active National Weather Service alerts, watches, or advisories in effect for Van Alstyne at this time. However, the persistent heat warrants caution regardless of official warnings.

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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