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5-day forecast / Van Alstyne, TX

SaturdaySunny95° / 72°
SundaySunny94° / 72°
MondaySunny97° / 75°
TuesdaySunny99° / 77° 1%
WednesdaySunny98° / 77° 2%

Heat Advisory in Effect for Van Alstyne as Temperatures Soar - Jul 31, 1 PM

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

A Heat Advisory is active for Van Alstyne, TX. Current conditions show a heat index of 104F with high humidity. Sunny skies continue 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 31, 1 PM local time.*

Dangerous Heat Conditions

Van Alstyne, TX is currently under an active Heat Advisory issued by the National Weather Service. This moderate-severity alert remains in effect until this evening, signaling dangerous heat conditions for the area. Right now, the air temperature stands at 97F, but the combination of humidity and wind makes it feel like 104F.

The relative humidity is at 42%, with a dew point of 70F, creating a muggy atmosphere that intensifies the perceived heat. Winds are blowing from the southwest at 9 mph, with gusts reaching up to 15 mph, while the sky remains clear.

Forecast for Today and Tomorrow

According to the National Weather Service, today will be sunny with a high near 101F. The heat index is expected to reach as high as 108F during the day. Southwest winds will hover around 10 mph. There is only a 1% chance of precipitation.

Tonight, skies will transition to partly cloudy conditions. Temperatures will drop to a low near 79F, though they may rise slightly to around 81F overnight. The heat index could remain as high as 108F even after sunset. Southwest winds will decrease to 5 to 10 mph.

Tomorrow brings another sunny day with a high near 95F. A shift in wind direction is expected, with north winds blowing between 10 to 15 mph. The chance of precipitation remains low at 6%. While the air temperature will be lower than today, the heat advisory context suggests caution is still warranted.

Safety Reminders

Given the active Heat Advisory and current heat index values, residents should prioritize safety. Extreme heat poses serious health risks, so it is crucial to stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion, especially during the midday hours when temperatures are at their peak.

Check on elderly neighbors or those without air conditioning to ensure they remain safe and cool. If you must be outside, seek shade frequently and wear lightweight, light-colored clothing.

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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