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5-day forecast / Van Alstyne, TX

ThursdaySunny99° / 79° 1%
FridaySunny100° / 79° 3%
SaturdaySunny94° / 72° 9%
SundaySunny93° / 72°
MondaySunny95° / 74° 1%

Heat Advisory in Effect for Van Alstyne as Temperatures Soar - Jul 30, 1 PM

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

A Heat Advisory is active for Van Alstyne, TX. Current heat index reaches 101F with highs near 99F today and 100F tomorrow. Stay cool and hydrated.

Marlene Ortiz

July 30, 20262 min read

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

*As of Jul 30, 1 PM local time.*

Dangerous Heat Conditions Underway

Van Alstyne, TX is currently under an active Heat Advisory issued by the National Weather Service. The advisory carries a moderate severity rating and is expected to remain in effect through the evening of July 31. Residents are urged to take this serious heat threat seriously as temperatures climb well above seasonal averages.

Right now, the air temperature stands at 93F, but the combination of heat and moisture makes it feel significantly hotter. The current feels-like temperature is 101F. Humidity levels are notable with a dew point of 72F and relative humidity at 50%. Winds are blowing from the south at 11 mph, though gusts have been recorded up to 9 mph. The sky remains clear overhead.

Forecast for Today and Tomorrow

Today will be sunny with a high near 99F. The National Weather Service indicates heat index values could reach as high as 108. South winds will hover around 10 mph. There is only a 1% chance of precipitation, so expect dry conditions throughout the day.

Tonight, skies will become mostly clear with a low near 79F. Temperatures may rise slightly to around 81F overnight. Heat index values are expected to stay high at 106. South winds will decrease to 5 to 10 mph. The chance of rain remains minimal.

Tomorrow, the heat continues with sunny skies and a high near 100F. Heat index values may again peak at 108. Winds will shift to the southwest around 10 mph, with gusts reaching up to 20 mph. The chance of precipitation is slightly higher at 3%, but conditions remain largely dry.

Safety Reminders

With heat indices exceeding 100F, the risk of heat-related illness increases significantly. It is critical to stay hydrated by drinking plenty of water even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

Check on elderly neighbors and those without air conditioning to ensure their safety. If you must be outside, seek shade frequently and wear lightweight, light-colored clothing to help manage body temperature.

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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