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5-day forecast / Van Alstyne, TX

TodayMostly Sunny91° / 75° 6%
ThursdaySunny91° / 76° 2%
FridayMostly Sunny93° / 77°
SaturdayMostly Sunny95° / 77° 1%
SundaySunny96° / 78°

Humidity Clings to Van Alstyne as Temps Climb Toward 91

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

High humidity and warm temperatures define the current weather in Van Alstyne. Conditions remain clear overnight with a high near 91 expected tomorrow.

Marlene Ortiz

June 24, 20262 min read

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

Current Conditions and Humidity

It is currently Wednesday overnight in Van Alstyne, and the air feels heavy with moisture. The air temperature sits at 75F, but the feels-like temperature is 77F due to the high relative humidity of 94%. The dew point is 73F, indicating a significant amount of moisture in the atmosphere. Winds are light at 3 mph, though gusts have reached 18 mph. Despite the humidity, the sky remains clear.

Forecast for Today and Tomorrow

Looking ahead, the heat index will rise significantly. Today, expect a high near 91F with a low near 73F. The sky will be mostly sunny, and there is only a 6% chance of precipitation. Winds will shift to the south southwest at around 10 mph. The National Weather Service notes that heat index values could reach as high as 100 during the day.

Tonight, conditions will transition to mostly cloudy skies before clearing out. A low around 73 is expected initially, with temperatures rising to around 75 overnight. The feels-like temperature may reach 98 as the dew point stays elevated. South southeast winds will pick up slightly, blowing between 5 to 10 mph.

Tomorrow brings sunny skies with a high near 91F and a low near 76F. The chance of precipitation drops to just 2%. Winds will increase to the south at 10 to 15 mph, with gusts as high as 25 mph. Overnight into tomorrow night, the sky will become partly cloudy. Temperatures will settle around 76, rising to around 78 later in the night. South winds will continue around 15 mph, with gusts potentially hitting 25 mph.

Safety Reminder

With heat index values approaching 100, it is important to stay hydrated and limit midday exertion. Wear lightweight, light-colored clothing and seek air-conditioned environments when possible. Keep an eye on how the humidity affects your comfort level, especially during the afternoon hours when temperatures peak.

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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