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5-day forecast / Van Alstyne, TX

WednesdaySunny102° / 80°
ThursdaySunny102° / 78° 3%
FridaySunny101° / 77° 5%
SaturdaySunny101° / 77° 3%
SundaySunny101° / 79° 2%

Extreme Heat Warning in Effect for Van Alstyne as Temperatures Soar - Aug 18, 5 PM

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

An Extreme Heat Warning is active for Van Alstyne, TX. Current conditions show an air temperature of 103F with a feels-like reading of 105F. Residents are urged to take precautions against dangerous heat levels today and tomorrow.

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, 5 PM local time.*

Dangerous Heat Conditions Underway

Van Alstyne is currently under an Extreme Heat Warning, a severe alert issued by the National Weather Service that remains in effect until August 19 at 8:00PM CDT. This warning highlights the significant risk posed by the current weather patterns, which are creating hazardous conditions for outdoor activities and prolonged exposure.

As of this Tuesday evening, the air temperature stands at 103F. The combination of heat and humidity results in a feels-like temperature of 105F. Relative humidity is at 26%, with a dew point of 61F. Winds are blowing from the south at 10 mph, with gusts reaching up to 12 mph. The sky remains clear, offering no relief from the sun's intensity.

Forecast for Today and Tomorrow

The National Weather Service forecasts continued hot conditions through the end of the week. Today is expected to be sunny with a high near 102F. Heat index values will reach as high as 104. South winds will persist at 5 to 10 mph. There is no chance of precipitation, with skies remaining clear.

Tonight, conditions will stay clear with a low around 79F. Temperatures may rise slightly to around 82F during the overnight hours. Heat index values are expected to remain high at 104. South winds will continue at 5 to 10 mph.

Tomorrow brings another sunny day with a high near 102F. The heat index is projected to climb as high as 105. Winds will shift to the southwest at around 10 mph. No rain is expected, maintaining the dry and hot environment.

Safety Precautions

Given the severity of the Extreme Heat Warning, it is critical to prioritize safety. Hydrate frequently and limit midday exertion to avoid heat-related illnesses. Check on neighbors, especially the elderly or those without air conditioning, to ensure their well-being. Seek air-conditioned environments during the peak heat hours and wear lightweight, light-colored clothing if you must be outdoors.

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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