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5-day forecast / Van Alstyne, TX

TodaySlight Chance Showers And Thunderstorms then Partly Cloudy0° / 75° 17%
FridayMostly Sunny then Slight Chance Showers And Thunderstorms94° / 76° 15%
SaturdayMostly Sunny then Slight Chance Showers And Thunderstorms95° / 76° 10%
SundayMostly Sunny then Slight Chance Showers And Thunderstorms94° / 76° 14%
MondayMostly Sunny then Slight Chance Showers And Thunderstorms94° / 76° 15%

Van Alstyne Heat Index Hits 96F Tonight With Slight Storm Chance

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

Van Alstyne, TX, faces a humid evening with a heat index of 96F. Tonight brings a slight chance of storms before 10pm, while tomorrow remains hot and mostly sunny.

Marlene Ortiz

July 3, 20261 min read

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

Current Conditions and Heat

Van Alstyne, TX, is experiencing a notably hot and humid evening as of Thursday. The current air temperature stands at 90F, but the heat index makes it feel like 96F. Relative humidity is at 56%, with a dew point of 72F contributing to the muggy atmosphere. Winds are light at 6 mph, though gusts have reached 18 mph, under a clear sky.

Forecast for Tonight

Temperatures will remain warm tonight with a low near 75F. However, conditions will shift slightly as the night progresses. There is a slight chance of showers and thunderstorms before 10pm. After that, skies will become mostly clear. Overnight, temperatures may rise to around 77F. Winds will shift to the southeast at 5 to 10 mph. The chance of precipitation is 20%.

Tomorrow's Outlook

Thursday will see similar heat, with a high near 94F. The heat index is expected to reach values as high as 100F. Skies will be mostly sunny initially, with a slight chance of showers and thunderstorms developing after 1pm. Winds will be from the south at 5 to 10 mph. The chance of precipitation is 20%, with new rainfall amounts less than a tenth of an inch possible.

Safety and Preparedness

With heat index values approaching 100F, residents should take precautions against heat-related illnesses. Stay hydrated and limit strenuous outdoor activities during the hottest parts of the day. While the chance of storms is slight, be aware of changing skies in the afternoon. There are no active National Weather Service or NOAA weather alerts in effect for this area. Always monitor local conditions as the day progresses.

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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