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5-day forecast / Van Alstyne, TX

SaturdaySunny98° / 79° 2%
SundaySunny99° / 78°
MondaySunny100° / 80°
TuesdaySunny101° / 80° 1%
WednesdaySunny101° / 81°

Heat Advisory in Effect for Van Alstyne as Temperatures Climb Near 100 - Jul 25, 8 AM

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

A Heat Advisory is active for Van Alstyne today. Highs near 98F with heat index values up to 106F. Stay cool and hydrated.

Marlene Ortiz

July 25, 20262 min read

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

*As of Jul 25, 8 AM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Van Alstyne, Texas, signaling dangerous heat levels that require caution. The National Weather Service has issued this moderate-severity alert to warn residents of the potential for heat-related illnesses. As of this Saturday morning, the air temperature stands at 81F, with a feels-like temperature of 85F.

Humidity levels are notably high, with relative humidity at 74% and a dew point of 72F. Winds are blowing from the south southwest at 8 mph, with gusts reaching up to 24 mph. The sky remains mostly cloudy at this hour.

Today and Tonight Forecast

Today will be sunny with a high near 98F. The heat index values are expected to reach as high as 106F, making it feel significantly hotter than the actual air temperature. South southwest winds will persist around 10 mph.

The chance of precipitation is minimal at 2%. As evening approaches, conditions will shift to mostly clear skies. Temperatures will drop to a low near 79F, though they may rise slightly to around 81F overnight.

The heat index will remain elevated, peaking at 104F. South winds will continue around 10 mph during the night.

Tomorrow Outlook

Tomorrow will bring sunny skies with a high near 99F. The heat index values are forecast to climb even higher, reaching up to 107F. South southwest winds will remain around 10 mph.

The chance of precipitation is 0%. Overnight, skies will clear with a low around 78F. The heat index will drop slightly but remain high at 104F.

South winds will ease to 5 to 10 mph.

Safety Reminders

Given the active Heat Advisory and high heat index values, it is crucial to take precautions. Stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion, especially during the hottest parts of the day.

Check on elderly neighbors and those who may be vulnerable to heat stress. Keep vehicles and pets out of direct sunlight. If you must be outside, seek shade and wear lightweight, light-colored clothing.

Monitor local weather updates for any changes to the advisory status.

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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