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5-day forecast / Van Alstyne, TX

TodaySlight Chance Showers And Thunderstorms91° / 76° 17%
FridayMostly Sunny93° / 77° 10%
SaturdaySunny94° / 76°
SundaySunny95° / 77°
MondaySunny96° / 77°

Humidity Rises in Van Alstyne as Temps Climb Toward 93

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

Van Alstyne residents face rising humidity with a dew point of 70F today. Highs near 91F with a slight chance of storms, followed by hotter, sunny conditions 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 air in Van Alstyne is currently quite heavy with moisture. As of this Thursday afternoon, the air temperature stands at 86F, but the heat index makes it feel like 91F. This discrepancy is driven by a dew point of 70F and a relative humidity of 59%. Despite the muggy feel, the sky remains clear with winds blowing from the south at 13 mph, with gusts reaching up to 18 mph.

Forecast for Today and Tonight

Temperatures are expected to peak near 91F today. While the sky will be mostly sunny, there is a slight chance of showers and thunderstorms before 4pm. The National Weather Service indicates a 20% chance of precipitation during that window. Winds will continue to pick up, with south winds around 15 mph and gusts as high as 25 mph.

As evening approaches, skies will transition to partly cloudy. The low will settle near 76F, though temperatures may rise slightly to around 78F overnight. South winds will persist at around 15 mph, with gusts potentially hitting 25 mph.

Tomorrow Outlook

Conditions will shift toward clearer skies tomorrow. The forecast calls for mostly sunny skies with a high near 93F. Heat index values are expected to climb as high as 100, making it feel significantly hotter than the actual air temperature. Winds will shift to the south southwest, blowing between 15 and 20 mph, with gusts up to 25 mph.

Overnight tomorrow, skies will become partly cloudy again. The low will be around 77F, with temperatures rising to approximately 79F later in the night. Heat index values will remain elevated, reaching up to 99. South winds will continue at around 15 mph with gusts up to 25 mph.

Safety Reminder

With heat index values approaching 100F tomorrow, it is crucial to stay hydrated and limit prolonged outdoor exertion during the hottest parts of the day. Check on elderly neighbors and ensure pets have access to cool, shaded areas. No active weather alerts are currently in effect for this area.

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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