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5-day forecast / Van Alstyne, TX

ThursdaySunny99° / 80° 1%
FridaySunny98° / 79° 1%
SaturdaySunny97° / 78° 1%
SundayShowers And Thunderstorms Likely93° / 73° 60%
MondaySlight Chance Showers And Thunderstorms90° / 74° 23%

Dangerous Heat Grips Van Alstyne as Temperatures Hit 99F - Jul 9, 4 PM

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

Van Alstyne residents face dangerous heat with a high near 99F and feels-like temperatures reaching 103F today. Clear skies and south winds persist through tomorrow.

Marlene Ortiz

July 9, 20262 min read

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

*As of Jul 9, 4 PM local time.*

Current Conditions and Heat Index

Van Alstyne is currently under the influence of dangerous heat. As of this Thursday afternoon, the air temperature stands at 99F, but the heat index makes it feel like 103F. The relative humidity is at 35%, with a dew point of 66F. Winds are blowing from the south at 14 mph, with gusts reaching 16 mph. The sky remains clear, offering no relief from the intense solar radiation.

Forecast for Today and Tonight

Today will see a high near 99F, with the heat index values climbing as high as 105. Sunny skies will dominate the day, accompanied by south winds around 15 mph. The chance of precipitation is negligible at just 1%. As evening approaches, conditions will remain clear. The low will settle near 80F, though temperatures may rise to around 82F overnight. The heat index will remain elevated, with values as high as 102. South winds will continue at 10 to 15 mph, maintaining the warm and humid atmosphere.

Outlook for Tomorrow

Tomorrow will bring similar conditions, with a high near 98F. The sky will stay sunny, and the heat index will reach as high as 101. South southwest winds will blow at 10 to 15 mph. The chance of precipitation remains at 1%. Overnight, skies will clear, and the low will drop to around 79F. The heat index will stay high, with values as high as 100. South winds will persist at 10 to 15 mph.

Safety Reminders

With heat index values exceeding 100F, it is crucial to take precautions. Stay hydrated by drinking plenty of water, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when the sun is strongest. Check on elderly neighbors and those who may be vulnerable to heat-related illnesses. Keep vehicles parked in the shade if possible, and never leave people or pets inside parked cars. Be aware of the signs of heat exhaustion and heat stroke, and seek medical attention if symptoms appear.

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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