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5-day forecast / Van Alstyne, TX

TodayMostly Sunny91° / 76° 2%
SundayShowers And Thunderstorms Likely84° / 66° 66%
MondayShowers And Thunderstorms78° / 63° 77%
TuesdayMostly Sunny85° / 71° 2%
WednesdaySunny92° / 77° 1%

Humidity Rises in Van Alstyne as Temperatures Climb Toward 90

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

Van Alstyne residents face rising heat indices and humid conditions today. Current readings show a dew point of 72F with temperatures near 90F. No severe weather alerts are active.

Marlene Ortiz

June 9, 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, TX, is currently holding a significant amount of moisture, creating a muggy atmosphere this afternoon. The air temperature stands at 84F, but the combination of heat and humidity pushes the feels-like temperature up to 90F. Relative humidity is at 66%, with a dew point of 72F indicating substantial moisture in the air. Winds are blowing from the south at 11 mph, with gusts reaching 17 mph. The sky is mostly cloudy at this moment, though conditions are expected to clear later.

Today and Tonight Forecast

Today will be sunny with a high near 90F. The National Weather Service indicates heat index values could reach as high as 98F due to the humidity. South winds will pick up slightly, averaging around 15 mph. The chance of precipitation is minimal at just 1%. As evening approaches, skies will become mostly clear for tonight. Temperatures will drop to a low near 76F. Despite the clearing skies, the heat index will remain elevated, with values as high as 97F. South winds will continue at 10 to 15 mph, maintaining the humid feel.

Tomorrow Outlook

Tomorrow, Van Alstyne will see mostly sunny skies with a high near 91F. The heat index is forecast to climb even higher, reaching up to 101F. South winds will remain steady around 15 mph, with gusts potentially hitting 25 mph. The chance of rain is slightly higher at 6%, but skies will remain largely clear. As tomorrow night falls, conditions will turn mostly clear again with a low around 77F. The heat index will stay high at 99F, with south winds around 15 mph and gusts up to 25 mph.

Safety Reminder

With heat indices approaching 100F, it is crucial to stay hydrated and limit prolonged outdoor exertion during the hottest parts of the day. Wear lightweight, light-colored clothing and seek air-conditioned spaces when possible. Check on elderly neighbors and those without reliable cooling to ensure their safety during these warm conditions.

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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High Humidity and Heat Index Near 99 in Van Alstyne

Van Alstyne faces a humid start with a dew point of 73F. Today brings mostly sunny skies and a high near 91F, with heat index values reaching 99. Showers and thunderstorms are likely tomorrow.

Marlene OrtizJune 13, 20262 min read