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5-day forecast / Van Alstyne, TX

TodayMostly Sunny91° / 75° 3%
FridayMostly Sunny92° / 77° 1%
SaturdaySunny95° / 77°
SundaySunny96° / 78°
MondaySunny97° / 77°

Humid Heat Returns to Van Alstyne With Highs Near 92

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

Van Alstyne faces rising humidity and warm temperatures today and tomorrow. Current dew points are high, with heat indices reaching 100 by tomorrow. No severe weather alerts are in effect.

Marlene Ortiz

June 25, 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 Thursday overnight in Van Alstyne, TX, where conditions are notably humid. The air temperature stands at 79F, but the feels-like temperature is 82F due to the moisture in the air. Relative humidity is at 79%, with a dew point of 72F. Winds are blowing from the south at 9 mph, with gusts reaching 19 mph. The sky remains clear at this hour.

Today and Tonight Forecast

For today, expect mostly sunny skies with a high near 91F. The low for the day will be near 75F. The chance of precipitation is minimal at 3%. Winds will shift to the south southwest, ranging from 10 to 15 mph, with gusts as high as 25 mph.

Tonight, the sky will become partly cloudy. Temperatures will drop to a low around 75F, though they may rise slightly to around 77F later in the night. South winds will continue, averaging around 10 mph, increasing to around 15 mph later with gusts up to 25 mph.

Tomorrow Outlook

Tomorrow will bring mostly sunny conditions with a high near 92F. The low will be near 77F. The chance of precipitation drops to just 1%. A key factor for tomorrow is the heat index, which will reach values as high as 100. Winds will be from the south southwest at 15 to 20 mph, with gusts as high as 30 mph.

Tomorrow night, skies will turn partly cloudy again. The low will be around 77F, with temperatures potentially rising to around 79F overnight. South winds will persist at around 15 mph, with gusts up to 25 mph.

Safety Reminder

With high humidity and rising heat indices, it is important to stay hydrated and limit prolonged outdoor exertion during the hottest parts of the day. Check on neighbors and loved ones who may be vulnerable to the heat. There are no active National Weather Service or NOAA weather alerts for this area, so conditions are driven primarily by temperature and humidity rather than severe weather.

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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