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5-day forecast / Van Alstyne, TX

TodaySunny95° / 76° 3%
ThursdaySunny94° / 76° 13%
FridayMostly Sunny94° / 77° 9%
SaturdayMostly Sunny96° / 77° 14%
SundayMostly Sunny then Slight Chance Showers And Thunderstorms95° / 76° 19%

Humid Heat Returns to Van Alstyne With Dew Points Near 72

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

Van Alstyne faces a humid overnight with a dew point of 72F. Today brings sunny skies and a high near 95F, with heat index values reaching 100.

Marlene Ortiz

July 1, 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, TX, and the air feels thick with moisture. The air temperature sits at 81F, but the heat index makes it feel like 85F. Relative humidity is holding at 74%, with a dew point of 72F indicating significant moisture in the atmosphere. Winds are blowing from the south at 10 mph, with gusts reaching up to 28 mph. The sky remains clear as the night progresses.

Today and Tomorrow Forecast

Sunny skies will dominate the day ahead. Highs will climb to near 95F, creating a heat index as high as 100. South winds will continue around 10 mph, with gusts potentially hitting 20 mph. The chance of precipitation is minimal at 3%.

As tonight approaches, conditions will remain mostly clear. Lows will drop to around 76F, though temperatures may rise slightly to about 78F later in the night. The heat index will still reach up to 97. Winds will shift to south southeast at 5 to 10 mph.

Tomorrow will also be sunny with a high near 94F. The heat index is expected to peak at 101. South southeast winds will persist at 5 to 10 mph. The chance of rain increases slightly to 13%. Overnight tomorrow, skies will turn partly cloudy with lows around 76F and temperatures rising to 78F later.

Safety and Alerts

There are no active National Weather Service or NOAA weather alerts for this area. However, the combination of high temperatures and elevated humidity requires caution. Heat index values approaching or exceeding 100 can lead to heat-related illnesses quickly. Residents should stay hydrated and limit prolonged outdoor exertion during the hottest parts of the day. Check on neighbors and elderly relatives who may be more vulnerable to the heat. While there are no severe weather warnings, the humid conditions can make the heat feel more oppressive than the actual air temperature suggests.

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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