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5-day forecast / Van Alstyne, TX

TuesdaySunny100° / 79°
WednesdaySunny99° / 79°
ThursdayMostly Sunny100° / 80° 1%
FridayMostly Sunny101° / 80° 4%
SaturdaySunny98° / 73° 8%

Heat Advisory in Effect for Van Alstyne as Temperatures Climb Near 100 - Jul 28, 4 AM

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

A Heat Advisory is active for Van Alstyne, TX, with current feels-like temperatures at 85F. Today brings a high near 100F under sunny skies with significant humidity.

Marlene Ortiz

July 28, 20262 min read

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

*As of Jul 28, 4 AM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Van Alstyne, Texas, signaling moderate severity and expected urgency. The National Weather Service in Fort Worth has issued this advisory to warn residents of dangerously hot conditions. As of this Tuesday overnight, the air temperature stands at 81F, but the combination of heat and moisture makes it feel like 85F.

The relative humidity is at 74%, with a dew point of 72F, indicating quite humid air. Winds are blowing from the south at 7 mph, with gusts reaching up to 17 mph, while the sky remains clear.

Forecast for Today and Tomorrow

Today will be sunny with a high near 100F. The heat index is expected to reach as high as 107F, making it feel significantly hotter than the actual air temperature. South southwest winds will range from 5 to 10 mph.

There is a 0% chance of precipitation, so skies will remain dry and bright. Temperatures will drop to a low near 79F tonight. During the overnight hours, conditions will be mostly clear.

Temperatures will initially rise to around 81F before settling, with the heat index peaking at 104F. South winds will persist at 5 to 10 mph.

Tomorrow continues the hot trend with sunny skies and a high near 99F. The heat index will again climb to 107F. South southwest winds will remain steady at 5 to 10 mph.

Precipitation chances remain at 0%. Overnight into tomorrow night, the sky will become partly cloudy. The low will be near 79F, with temperatures rising to around 81F as the night progresses.

South southeast winds will blow at 5 to 10 mph.

Safety Reminders

Given the active Heat Advisory and high heat index values, it is crucial to stay hydrated and limit midday exertion. Check on elderly neighbors and ensure pets have access to cool, shaded areas. Avoid prolonged exposure to the sun during the hottest parts of the day to prevent heat-related illnesses.

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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