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5-day forecast / Van Alstyne, TX

TodayMostly Sunny91° / 76° 2%
SundayShowers And Thunderstorms Likely84° / 66° 66%
MondayShowers And Thunderstorms78° / 63° 77%
TuesdayMostly Sunny85° / 71° 2%
WednesdaySunny92° / 77° 1%

Humidity Peaks in Van Alstyne as Temperatures Climb Toward 91

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

Van Alstyne residents face oppressive humidity with a dew point of 75F today. Temperatures will rise to 91F tomorrow with heat indices nearing 98F.

Marlene Ortiz

June 13, 20262 min read

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

Oppressive Humidity and Rising Heat

The air in Van Alstyne is currently heavy and muggy, creating an oppressive atmosphere for those outdoors. The current dew point stands at 75F, paired with a relative humidity of 74%. While the air temperature is 84F, the combination of moisture and heat makes it feel like 92F. Winds are blowing from the south-southeast at 7 mph, with gusts reaching 15 mph, under a clear sky.

Looking ahead, conditions will remain humid but dry out slightly as skies transition. Today is expected to be mostly cloudy with a high near 83F and a low near 75F. The chance of precipitation is minimal at 4%. As tonight settles in, skies will remain mostly cloudy. Temperatures will drop to a low around 75F, though they may rise slightly to around 78F during the overnight hours. Winds will continue from the south-southeast at 5 to 10 mph.

Tomorrow’s Heat and Late Night Showers

The heat will intensify significantly tomorrow. Skies will clear to become mostly sunny, allowing temperatures to climb to a high near 91F. With the added humidity, heat index values are expected to reach as high as 98F. Winds will pick up from the south at 10 to 15 mph, with gusts as high as 25 mph. The low for tomorrow night will be near 75F.

A slight chance of rain showers is possible between 1am and 4am tomorrow night, followed by a chance of showers and thunderstorms. Skies will be partly cloudy with a low around 75F, potentially rising to 78F overnight. The heat index may reach 97F. Winds will remain from the south at 10 to 15 mph. The chance of precipitation is 30%, with new rainfall amounts less than a tenth of an inch possible.

There are no active National Weather Service or NOAA weather alerts for this area. However, the high heat index values warrant caution. Residents should stay hydrated and limit prolonged exertion during the hottest parts of the day. Checking on neighbors, especially the elderly or those without air conditioning, is a prudent step as temperatures climb.

National Weather Service radar for North Texas (KFWS)
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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High Humidity and Heat Index Near 99 in Van Alstyne

Van Alstyne faces a humid start with a dew point of 73F. Today brings mostly sunny skies and a high near 91F, with heat index values reaching 99. Showers and thunderstorms are likely tomorrow.

Marlene OrtizJune 13, 20262 min read