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5-day forecast / Van Alstyne, TX

TodayMostly Sunny then Chance Showers And Thunderstorms93° / 76° 27%
FridayMostly Sunny then Slight Chance Showers And Thunderstorms93° / 77° 18%
SaturdayMostly Sunny then Slight Chance Showers And Thunderstorms94° / 77° 16%
SundayChance Showers And Thunderstorms94° / 75° 25%
MondayMostly Sunny then Slight Chance Showers And Thunderstorms94° / 76° 22%

Humid Heat Returns to Van Alstyne With Afternoon Storm Chances

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

Van Alstyne faces high humidity and heat today with a 27% chance of afternoon showers. Temperatures near 93F with heat indices up to 100. No active alerts.

Marlene Ortiz

July 2, 20262 min read

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

Current Conditions and Humidity

It is currently Thursday overnight in Van Alstyne, TX. The air is quite humid right now, with a dew point of 72F and relative humidity at 74%. The current air temperature sits at 81F, but the heat index makes it feel like 85F. Winds are light from the south at 6 mph, with gusts reaching 13 mph. The sky remains clear as the night progresses.

Today and Tonight Forecast

High humidity will persist as temperatures climb toward a high near 93F today. The National Weather Service indicates heat index values as high as 100. Expect mostly sunny skies initially, followed by a chance of showers and thunderstorms after 4pm. The chance of precipitation is 27%, though the official forecast cites a 30% chance. South winds will range from 5 to 10 mph.

Tonight, conditions will remain mostly clear with a low around 76F. Temperatures may rise to around 78F overnight. There is a chance of showers and thunderstorms before 7pm, with a 30% chance of precipitation. Partly cloudy skies are expected later in the night. Southeast winds will be around 5 to 10 mph. Heat index values will reach as high as 98 during the evening hours.

Tomorrow Outlook

Tomorrow will bring similar heat with a high near 93F and a low near 77F. The sky will be mostly sunny with a slight chance of showers and thunderstorms after 4pm. The chance of precipitation is 18%, while the official forecast suggests a 20% chance. Heat index values could reach as high as 101. South southeast winds will blow at 5 to 10 mph.

There are no active National Weather Service or NOAA weather alerts in effect for this area. Residents should stay hydrated and limit midday exertion given the high heat index values. Keep an eye on the sky in the late afternoon as isolated storms may develop.

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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