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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%

Heat and Humidity Persist in Van Alstyne as Winds Pick Up

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

Van Alstyne residents face a very hot Wednesday with a high near 91F and a feels-like temperature of 99F. Humidity is notable with a dew point of 72F.

Marlene Ortiz

June 10, 20262 min read

National Weather Service radar for North Texas (KFWS)
National Weather Service radar for North Texas (KFWS)

Current Conditions and Heat Index

It is currently Wednesday this afternoon in Van Alstyne, TX, where the air temperature stands at 91F. The heat index is significantly higher, with a feels-like temperature of 99F. Relative humidity is at 53%, and the dew point is 72F, indicating quite humid conditions for the area. The sky is mostly clear, but winds are brisk, blowing at 22 mph with gusts reaching 31 mph.

Today and Tonight Forecast

Today, the high will be near 91F, with the low dropping to around 76F. The chance of precipitation is just 1%, and skies will remain sunny. According to the National Weather Service, heat index values will reach as high as 98. South winds will continue, ranging from 15 to 20 mph, with gusts as high as 30 mph.

Tonight, conditions will shift to mostly clear skies. Temperatures will fall to a low around 76, though they may rise to around 78 overnight. South winds will persist at around 15 mph, with gusts up to 25 mph. There is no active NWS or NOAA weather alert in effect for this period.

Tomorrow Outlook

Tomorrow, the high will climb to near 92F, with a low near 75F. Skies will be mostly sunny, and the chance of precipitation remains low at 1%. Heat index values are expected to reach as high as 101. South winds will be around 15 mph, with gusts as high as 25 mph.

Looking ahead to tomorrow night, a chance of showers and thunderstorms is expected after 1am. Skies will become mostly cloudy with a low around 75. The heat index will be as high as 98, and south winds will decrease to 5 to 15 mph. There is a 50% chance of precipitation, with new rainfall amounts between a tenth and quarter of an inch possible.

Safety Reminder

Given the very hot conditions and high heat index values today and tomorrow, it is important to stay hydrated and limit midday exertion. Check on neighbors and vulnerable individuals to ensure they are safe in the heat.

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