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5-day forecast / Van Alstyne, TX

MondaySunny103° / 78° 2%
TuesdaySunny101° / 79°
WednesdaySunny101° / 78° 1%
ThursdaySunny101° / 77° 7%
FridaySunny99° / 75° 7%

Heat Advisory in Effect for Van Alstyne as Temperatures Soar - Aug 14, 5 PM

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

A Heat Advisory is active for Van Alstyne, TX, with current heat index values reaching 105F. Residents are urged to take precautions against dangerous heat levels today and tonight.

Marlene Ortiz

August 14, 20262 min read

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

*As of Aug 14, 5 PM local time.*

Dangerous Heat Conditions

Van Alstyne, TX, is currently under a Heat Advisory issued by the National Weather Service. The advisory remains in effect until this evening, highlighting moderate severity and expected urgency for the region. Current conditions reflect the intensity of the heat wave, with the air temperature at 100F.

However, the combination of heat and humidity makes it feel significantly hotter, with a heat index (feels-like) of 105F.

The relative humidity is currently at 33%, with a dew point of 66F. Winds are blowing from the south at 16 mph, with gusts reaching up to 23 mph. The sky remains clear, allowing solar radiation to intensify the heat throughout the day. This advisory serves as a critical warning for residents to monitor local conditions closely.

Forecast and Safety Precautions

Today in Van Alstyne, skies will remain sunny with a high near 100F. The low tonight is expected to be around 78F. Despite the drop in air temperature, heat index values will remain elevated, reaching as high as 102F overnight.

Winds will continue from the south at 10 to 15 mph, with gusts up to 25 mph. Temperatures may rise slightly to around 80F during the night hours.

Tomorrow, conditions will stay sunny with a high near 99F and a low of 78F. The chance of precipitation is minimal at 2%. Heat index values are forecast to reach 104F again. Winds will shift to south southwest around 10 mph. Tomorrow night will be clear with lows around 78F, though temperatures may rise to 80F overnight with heat indices up to 101F.

Given the active Heat Advisory and dangerous heat index values, it is essential to stay hydrated and limit outdoor exertion, especially during the hottest parts of the day. Check on neighbors and vulnerable individuals who may be affected by the extreme heat. Avoid direct sun exposure when possible and seek air-conditioned environments regularly.

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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