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5-day forecast / Van Alstyne, TX

MondaySunny98° / 77° 2%
TuesdaySunny99° / 77° 1%
WednesdaySunny97° / 76° 2%
ThursdaySunny96° / 74° 5%
FridaySunny96° / 73° 3%

Heat Advisory in Effect for Van Alstyne as Temperatures Climb - Sep 14, 6 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 103F. Humidity remains high.

Marlene Ortiz

September 14, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 14, 6 AM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Van Alstyne, Texas, signaling dangerous heat conditions that require caution. The National Weather Service has issued this moderate-severity alert due to rising temperatures and significant humidity levels.

Right now, the air temperature stands at 77F, with a feels-like reading of 78F. Humidity is quite high, with relative humidity at 83% and a dew point of 72F. Winds are light from the south at 5 mph, though gusts can reach up to 15 mph. The sky remains clear overhead.

Today and Tonight Forecast

Today will be sunny with a high near 98F. Heat index values are expected to climb as high as 103F due to the combination of heat and moisture. South winds will persist at 5 to 15 mph.

Overnight, skies will clear, allowing temperatures to drop to a low near 77F. However, warmth will linger, with temperatures rising to around 79F overnight. Heat index values may reach as high as 100F during this period.

Winds will shift slightly but remain in the south at 10 to 15 mph.

Tomorrow Outlook

Tomorrow will also be sunny, bringing a high near 99F. The heat will intensify further, with heat index values potentially reaching 106F. South winds will continue at 10 to 15 mph.

As tomorrow night approaches, skies will clear again, leading to a low around 77F. Temperatures may rise to around 79F overnight, with heat index values as high as 103F. Winds will become south southeast at 5 to 15 mph.

Safety Reminder

Given the active Heat Advisory and high heat index values, it is crucial to stay hydrated and limit midday exertion. Check on neighbors, especially those who are elderly or vulnerable, to ensure their safety during this period of intense heat.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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Marlene Ortiz

Marlene Ortiz covers weather, storms, and seasonal life across Van Alstyne and Grayson County.

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