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5-day forecast / Van Alstyne, TX

TuesdaySunny102° / 79°
WednesdaySunny102° / 80°
ThursdaySunny102° / 78° 3%
FridaySunny101° / 77° 5%
SaturdaySunny101° / 77° 6%

Extreme Heat Warning in Effect for Van Alstyne as Temperatures Soar - Aug 18, 11 AM

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

An Extreme Heat Warning and Heat Advisory are active for Van Alstyne, TX. Current conditions show a feels-like temperature of 97F, with highs near 105F expected today.

Marlene Ortiz

August 18, 20262 min read

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

*As of Aug 18, 11 AM local time.*

Critical Heat Alerts Active

Residents in Van Alstyne, Texas, are under an Extreme Heat Warning issued by the National Weather Service in Fort Worth. This severe alert remains in effect until this evening. Additionally, a Heat Advisory is active with moderate severity, concluding at midday.

Current conditions reflect the intensity of the heat event. The air temperature stands at 95F, but the feels-like temperature is 97F due to humidity levels at 37% and a dew point of 64F. Winds are blowing from the southwest at 9 mph with gusts reaching 15 mph under clear skies.

Forecast for Today and Tomorrow

Today will be sunny with a high near 105F. The National Weather Service reports heat index values as high as 106. Southwest winds will persist between 5 to 10 mph. There is only a 1% chance of precipitation.

Tonight, skies will become mostly clear. Temperatures will drop to a low near 80F, though they may rise slightly to around 83F overnight. Heat index values could reach 105. South winds will continue at 5 to 10 mph.

Tomorrow remains sunny with a high near 103F. The heat index is forecast to peak at 104. Winds will shift to the south southwest around 10 mph. Precipitation chances remain minimal at 1%.

Safety Reminders

Given the Extreme Heat Warning, it is critical to limit outdoor exertion during the hottest parts of the day. Stay hydrated by drinking water frequently, even if you do not feel thirsty. Seek air-conditioned environments as much as possible.

Check on elderly neighbors and those without reliable cooling. Never leave people or pets in parked vehicles. The heat index values indicate dangerous conditions that can lead to heat-related illnesses quickly.

Please take these warnings seriously and prioritize your safety during this severe weather event.

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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