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5-day forecast / Van Alstyne, TX

TodayMostly Sunny91° / 76° 2%
SundayChance Showers And Thunderstorms then Showers And Thunderstorms85° / 68° 79%
MondayShowers And Thunderstorms Likely then Chance Showers And Thunderstorms78° / 66° 66%
TuesdayMostly Sunny85° / 72° 9%
WednesdayMostly Sunny91° / 76° 1%

Heat and Humidity Dominate Van Alskyne Today; Storms Expected Tomorrow

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

Van Alstyne residents face a hot, humid Saturday with highs near 91F. A significant shift brings showers and thunderstorms tomorrow with cooler temperatures.

Marlene Ortiz

June 13, 20262 min read

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

Current Conditions and Heat Index

It is currently Saturday afternoon in Van Alstyne, TX, where the air temperature stands at 88F. Due to the muggy atmosphere, the feels-like temperature is 96F. The relative humidity is 62%, with a dew point of 73F, creating a sticky environment. Winds are blowing from the south at 10 mph with gusts reaching 18 mph. The sky remains clear at this moment.

Today and Tonight Forecast

Today, the high will reach near 91F. The National Weather Service indicates heat index values could climb as high as 99F. Skies will be mostly sunny with a south wind of 10 to 15 mph. The chance of precipitation is low at 7%.

Tonight, conditions will shift slightly. A chance of showers and thunderstorms is expected after 4am. The sky will be partly cloudy with a low near 76F. Temperatures may rise to around 78F overnight. The heat index remains high at 99F. Winds continue 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.

Tomorrow and Safety Reminders

Tomorrow, the weather pattern changes significantly. Showers and thunderstorms are likely, with a high near 84F. Temperatures will fall to around 81F in the afternoon. Skies will be partly sunny, and winds will shift to the west at 5 to 10 mph. The chance of precipitation rises to 70%, with new rainfall amounts between a tenth and quarter of an inch possible.

Given the current heat index values near 99F, it is crucial to stay hydrated and limit midday exertion. As the system moves in tomorrow, be prepared for wet conditions and reduced visibility. There are no active NWS or NOAA weather alerts in effect for this area. Monitor local updates as the storm chance increases overnight and into tomorrow.

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