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5-day forecast / Van Alstyne, TX

FridaySunny100° / 79° 3%
SaturdaySunny94° / 72° 9%
SundaySunny93° / 72°
MondaySunny95° / 74° 1%
TuesdaySunny98° / 77° 2%

Heat Advisory in Effect for Van Alstyne as Temperatures Climb - Jul 30, 9 PM

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

A Heat Advisory is active for Van Alstyne, TX. Current feels-like temperatures reach 101F with high humidity. Conditions remain hot and sunny through tomorrow.

Marlene Ortiz

July 31, 20262 min read

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

*As of Jul 30, 9 PM local time.*

Dangerous Heat Conditions

A Heat Advisory is currently in effect for Van Alstyne, Texas, signaling dangerous heat conditions that require caution. The National Weather Service has issued this moderate-severity alert due to rising temperatures and significant humidity levels.

Current conditions show an air temperature of 91F, but the combination of heat and moisture makes it feel like 101F. The relative humidity is at 56%, with a dew point of 73F, indicating quite humid air that hinders cooling. Winds are currently blowing from the south at 7 mph, with gusts reaching up to 11 mph. The sky remains clear overhead.

Forecast and Safety Guidance

Tonight will be mostly clear with a low near 79F. Temperatures may rise slightly to around 81F during the overnight hours as south winds continue between 5 to 10 mph. There is only a 1% chance of precipitation today, leaving skies mostly clear.

Tomorrow brings even hotter conditions. Expect sunny skies with a high near 100F. The heat index values are forecast to reach as high as 108F. Southwest winds will pick up slightly around 10 mph, with gusts as high as 20 mph. The chance of precipitation remains very low at 3%.

Looking ahead to tomorrow night, there is a slight chance of showers and thunderstorms between 10pm and 1am. Skies will return to mostly clear with a low around 79F. Temperatures may rise to around 81F overnight.

Heat index values could reach 107F, with southwest winds of 5 to 10 mph. The chance of precipitation increases to 20%, with new rainfall amounts less than a tenth of an inch possible.

Given the active Heat Advisory and high heat index values, residents should prioritize safety. Stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion during the hottest parts of the afternoon and early evening. Check on elderly neighbors or those without air conditioning to ensure they are safe in the rising temperatures.

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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