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5-day forecast / Van Alstyne, TX

FridayMostly Sunny91° / 73° 11%
SaturdayMostly Sunny94° / 76° 3%
SundaySunny95° / 77° 1%
MondaySunny97° / 78°
TuesdaySunny99° / 79° 1%

Humidity Lingers in Van Alstyne as Temps Climb Toward 94 - Jul 17, 4 AM

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

Van Alstyne residents face high humidity with a dew point of 72F today. Temperatures will rise to near 91F today and 94F tomorrow, with heat index values reaching 101.

Marlene Ortiz

July 17, 20262 min read

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

*As of Jul 17, 4 AM local time.*

Current Conditions and Humidity

It is currently Friday overnight in Van Alstyne, and the air remains quite heavy with moisture. The current air temperature sits at 75F, but the feels-like temperature is 77F due to the high humidity. Relative humidity is at 89%, with a dew point of 72F, indicating a muggy atmosphere.

Winds are light at 6 mph with gusts reaching 13 mph, and the sky is mostly cloudy.

Today and Tonight Forecast

Today, the sky will clear to become mostly sunny. Highs will reach near 91F, while lows will drop to around 73F. The chance of precipitation is low at 11%. According to the National Weather Service, heat index values could climb as high as 100 during the day. South winds will range from 5 to 15 mph.

As tonight approaches, conditions will shift to partly cloudy skies. Lows will settle around 74F, with temperatures rising to approximately 76F later in the overnight period. The heat index may reach 97. South southwest winds will persist at 5 to 15 mph.

Tomorrow Outlook

Tomorrow will be mostly sunny with a high near 94F. The heat index is expected to peak at 101, making it feel significantly hotter than the actual air temperature. Lows will be near 76F.

South southwest winds will be lighter, ranging from 5 to 10 mph. Tomorrow night will bring mostly clear skies, with lows around 76F and temperatures rising to about 78F overnight. South winds will continue at 5 to 10 mph.

Safety Reminder

With heat index values approaching 101, it is crucial to stay hydrated and limit strenuous outdoor activities during the hottest parts of the day. Wear lightweight, light-colored clothing and seek air-conditioned environments when possible. Check on elderly neighbors or those without reliable cooling to ensure their safety during these warm conditions.

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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