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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 Start in Van Alstyne as Temps Climb Toward 92

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

Van Alstyne residents face high humidity with a dew point of 72F today. Temperatures will rise to near 91F, with heat indices reaching 100F tomorrow.

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

The morning in Van Alstyne, TX, is defined by significant moisture in the air. Current readings show an air temperature of 77F, but the heat index makes it feel like 78F. The relative humidity stands at a heavy 83%, with a dew point of 72F indicating a muggy atmosphere. Skies are currently clear, but the air feels thick. Winds are blowing from the south at 9 mph, with gusts reaching up to 21 mph.

Today and Tonight Forecast

Throughout the day, conditions will shift to mostly sunny skies. The high temperature is expected to reach near 91F, while the low will settle around 75F. The chance of precipitation is minimal at just 3%. As the day progresses, winds will increase, becoming south southwest at 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 during the overnight hours. Winds will continue from the south at around 15 mph, with gusts potentially hitting 25 mph.

Tomorrow Outlook and Safety

Tomorrow, Van Alstyne will see mostly sunny skies again. The high will climb to near 92F, accompanied by a very low chance of precipitation at 1%. A notable feature of tomorrow is the heat index, which will reach as high as 100. Winds will be stronger, coming from the south southwest at 15 to 20 mph, with gusts up to 30 mph.

There are no active National Weather Service or NOAA weather alerts in effect for this area. However, the combination of high temperatures and elevated heat indices warrants caution. Residents should stay hydrated and limit prolonged outdoor exertion during the hottest parts of the day. Checking on neighbors, especially the elderly or those without air conditioning, is a prudent step as the heat builds.

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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