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5-day forecast / Van Alstyne, TX

FridaySlight Chance Rain Showers95° / 79° 1%
SaturdayMostly Sunny98° / 79° 1%
SundaySunny100° / 80°
MondaySunny100° / 80°
TuesdaySunny101° / 81°

Heat Advisory in Effect for Van Alstyne as Temperatures Climb - Jul 24, 12 PM

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

A Heat Advisory is active for Van Alstyne, TX, with heat index values reaching 105 today. Humidity remains high with a dew point of 75F.

Marlene Ortiz

July 24, 20262 min read

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

*As of Jul 24, 12 PM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Van Alstyne, Texas, signaling dangerous heat conditions for the area. The National Weather Service has issued this moderate-severity alert due to oppressive humidity and rising temperatures. As of this Friday afternoon, the air temperature stands at 84F, but the combination of heat and moisture makes it feel like 92F.

The relative humidity is at 74%, with a dew point of 75F, creating a muggy atmosphere that feels particularly heavy. Winds are blowing from the south at 9 mph, with gusts reaching up to 16 mph, while the sky remains cloudy.

Today and Tonight Forecast

Temperatures will continue to climb today, with a high near 95F. The heat index is expected to reach as high as 105, making it feel significantly hotter than the actual air temperature. There is a slight chance of rain showers before 4pm, though the overall chance of precipitation is only 3%.

South winds will pick up to around 15 mph during the day. As evening approaches, conditions will ease slightly with a low near 79F. However, the heat will linger, with temperatures rising to around 81F overnight and heat index values staying as high as 102.

South winds will persist at 10 to 15 mph, keeping the air moving but not cooling it down significantly.

Tomorrow Outlook

The heat will intensify tomorrow, with a high near 98F under mostly sunny skies. The heat index is forecast to reach 104, indicating extreme heat stress potential. The chance of precipitation drops to just 1%, offering little relief from the warmth.

South southwest winds will decrease to around 10 mph. Overnight, skies will clear to mostly clear, with a low around 79F. Heat index values will remain elevated at 102, with south winds slowing to 5 to 10 mph.

Residents are advised to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on neighbors, especially the elderly, who may be more vulnerable to 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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