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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 Storms Clear for Hotter Tomorrow

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

Van Alstyne faces high humidity and likely showers today, with temperatures falling to the low 80s. A hot, mostly sunny day awaits tomorrow with heat index values reaching 101.

Marlene Ortiz

June 12, 20262 min read

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

Current Conditions and Humidity

Residents in Van Alstyne are experiencing a notably muggy atmosphere this Friday afternoon. The air temperature stands at 78F, but the heat index feels like 79F due to the moisture in the air. Relative humidity is sitting at 76%, with a dew point of 70F indicating significant stickiness. Winds are blowing from the south southeast at 8 mph, with gusts reaching up to 28 mph. The sky remains cloudy as the region deals with the lingering effects of earlier weather systems.

Today and Tonight Forecast

The National Weather Service indicates that showers and thunderstorms are likely before 1pm today. Between 1pm and 4pm, there is a slight chance for additional showers and thunderstorms. The sky will be partly sunny, with a high near 88F. Temperatures are expected to drop to around 83F in the afternoon. The south southeast wind will continue at 5 to 10 mph. There is a 60% chance of precipitation, with new rainfall amounts between a quarter and half of an inch possible.

Tonight, conditions will clear up to partly cloudy skies. The low will settle around 77F. Winds will remain light from the south southeast at 5 to 10 mph. There are no active weather alerts or warnings in effect for this area.

Tomorrow Outlook

Tomorrow brings a significant shift in weather patterns. The sky will be mostly sunny, with a high near 91F. Heat index values are forecast to reach as high as 101. Winds will pick up slightly from the south at 10 to 15 mph. The chance of precipitation drops to just 4%.

Temperatures will rise to around 78F overnight, with a low around 76F. There is a chance of rain showers between 1am and 4am, followed by a chance of showers and thunderstorms. The sky will be partly cloudy with a 40% chance of precipitation. New rainfall amounts between a tenth and quarter of an inch are possible. Heat index values may reach 100 during the overnight hours.

Safety Reminder

With high humidity today and extreme heat indices tomorrow, it is crucial to stay hydrated. Limit midday exertion when possible and check on neighbors who may be vulnerable to the heat. Ensure vehicles have adequate coolant and tires are properly inflated for the rising temperatures.

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