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5-day forecast / Van Alstyne, TX

ThursdaySunny then Slight Chance Showers And Thunderstorms103° / 79° 16%
FridaySunny then Slight Chance Showers And Thunderstorms103° / 79° 22%
SaturdaySunny102° / 78° 9%
SundaySunny102° / 79° 3%
MondaySunny102° / 79° 5%

Extreme Heat Warning in Effect for Van Alstyne as Temperatures Soar Near 103 Degrees - Aug 20, 6 AM

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

An Extreme Heat Warning is active for Van Alstyne, TX, with highs near 103F and heat index values reaching up to 110F. Residents are urged to take precautions against severe heat.

Marlene Ortiz

August 20, 20262 min read

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

*As of Aug 20, 6 AM local time.*

Current Conditions and Active Alert

Van Alstyne, TX, is currently under an Extreme Heat Warning issued by the National Weather Service in Fort Worth. This severe alert remains in effect until 8:00 PM CDT today. As of this morning on Thursday, the air temperature stands at 81F with a feels-like temperature of 83F.

The relative humidity is at 66%, and the dew point is recorded at 68F. Winds are blowing from the south southwest at 7 mph, with gusts reaching up to 16 mph. The sky remains clear overhead.

Forecast for Today and Tomorrow

Today, conditions will be sunny with a high near 103F. Heat index values are expected to climb as high as 107F. There is a slight chance of showers and thunderstorms after 4pm, bringing the total chance of precipitation to 20%.

Winds will shift to the south southwest at 5 to 10 mph. Overnight tonight, skies will be mostly clear with a low around 80F. Temperatures may rise slightly to around 82F during the night hours.

A slight chance of showers and thunderstorms is possible before 10pm, with the precipitation chance at 20%. Winds will decrease to around 5 mph from the south.

Tomorrow, the heat will persist with another high near 103F. Heat index values could reach as high as 110F. The day will be sunny, with a slight chance of showers and thunderstorms developing after 1pm.

The chance of precipitation remains at 20%. Winds will be light from the south southwest around 5 mph. Tomorrow night, skies will turn partly cloudy with a low near 79F.

Temperatures may rise to around 81F overnight. A slight chance of showers and thunderstorms is possible before 10pm, with winds from the south around 5 mph.

Safety Reminder

With extreme heat warnings in place, it is critical to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on neighbors and vulnerable individuals regularly. Ensure pets have access to cool water and shade. Avoid direct sun exposure as much as possible.

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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