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5-day forecast / Van Alstyne, TX

WednesdaySunny then Slight Chance Showers And Thunderstorms97° / 77° 18%
ThursdaySunny99° / 77°
FridaySunny97° / 78°
SaturdaySunny96° / 76° 4%
SundayChance Showers And Thunderstorms95° / 76° 30%

Van Alstyne Heat Index Hits 102 as Humidity Clings to Morning Air - Jul 8, 8 AM

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

High humidity keeps feels-like temperatures elevated in Van Alstyne today. A slight chance of storms arrives late, but tomorrow looks clear and even hotter.

Marlene Ortiz

July 8, 20262 min read

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

*As of Jul 8, 8 AM local time.*

Humidity and Heat Dominate Morning

Conditions in Van Alstyne are defined by significant moisture in the air this morning. The current dew point sits at 72F, contributing to a relative humidity of 79%. This muggy atmosphere is raising the perceived temperature well above the actual air temperature of 79F. Residents will feel the heat at a feels-like value of 82F right now. Winds are light at 3 mph, though gusts have reached 22 mph, under a clear sky.

Today and Tonight Forecast

Temperatures will climb significantly throughout the day. The high near 97F is expected, with heat index values peaking as high as 102. While the morning starts sunny, the National Weather Service indicates a slight chance of showers and thunderstorms after 4pm. The chance of precipitation is listed at 20% for this period. Winds will shift to the south southwest, blowing at 5 to 10 mph.

As evening approaches, the risk of storms remains slight before 7pm. Skies will become mostly clear for the night. The low will settle near 77F, though temperatures may rise slightly to around 79F later in the overnight hours. The heat index will remain elevated at around 100. South winds will pick up to around 10 mph.

Tomorrow Outlook

The humidity will break tomorrow. The forecast calls for sunny skies with a high near 99F. This increase in temperature will push heat index values as high as 102 again. Winds will strengthen to the south southwest at 10 to 15 mph. There is no chance of precipitation, with the likelihood at 0%. Conditions will remain clear overnight with a low around 77F.

Safety Reminder

With heat index values reaching 102, it is crucial to stay hydrated and limit strenuous outdoor exertion during the peak heat hours. Check on neighbors who may be vulnerable to extreme heat. While the chance of storms is slight, be aware of changing skies in the late afternoon.

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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