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5-day forecast / Van Alstyne, TX

SaturdaySunny then Slight Chance Showers And Thunderstorms96° / 74° 14%
SundayMostly Sunny then Slight Chance Showers And Thunderstorms95° / 75° 23%
MondayMostly Sunny95° / 75° 11%
TuesdayMostly Sunny95° / 76° 12%
WednesdaySunny97° / 78° 4%

Van Alstyne Heat Index Hits 96F; Humidity Lingers Tonight

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

Current feels-like temperature reaches 96F in Van Alstyne. Highs near 96F expected tomorrow with a slight chance of late-day storms.

Marlene Ortiz

July 4, 20261 min read

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

Current Conditions and Heat Index

Residents in Van Alstyne are currently experiencing very hot and humid conditions. The 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, indicating significant moisture in the air. Winds are light at 7 mph, with no gusts reported, under a clear sky.

Forecast for Today and Tonight

Today is expected to be partly cloudy with a high near 96F. The chance of precipitation is low at 9%. As evening approaches, skies will remain partly cloudy. Temperatures will drop to a low around 77F, though they may rise slightly to around 79F during the night. Winds will shift to the south southeast, blowing between 5 to 10 mph.

Tomorrow’s Outlook and Safety Tips

Tomorrow will begin sunny with a high near 96F. The National Weather Service notes that heat index values could reach as high as 104F. There is a slight chance of showers and thunderstorms after 4pm, with a 20% chance of precipitation. Winds will be from the south southwest at 5 to 10 mph.

Following tomorrow, conditions will remain mostly clear with a low around 78F. A slight chance of showers and thunderstorms is possible before 7pm, with a 20% chance of precipitation. Heat index values may reach 100F. Winds will return to the south southeast at 5 to 10 mph.

There are no active National Weather Service or NOAA weather alerts in effect for this area. However, given the high heat index values, it is important to stay hydrated and limit prolonged outdoor exertion during the hottest parts of the day. Check on neighbors and loved ones who may be vulnerable to extreme heat. Always follow local guidance if conditions change.

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