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5-day forecast / Van Alstyne, TX

SundayChance Showers And Thunderstorms96° / 74° 38%
MondayMostly Sunny95° / 74° 11%
TuesdaySunny95° / 77° 14%
WednesdaySunny98° / 80° 4%
ThursdaySunny99° / 80° 1%

Humid Start in Van Alstyne as Temps Climb Toward 96

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

Van Alstyne wakes up with high humidity and clear skies. Temperatures will rise significantly today and tomorrow, with heat indices reaching the low 100s and a slight chance of late-day storms.

Marlene Ortiz

July 3, 20262 min read

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

Current Conditions and Humidity

It is currently Friday this morning in Van Alstyne, TX, and the air feels heavy with moisture. The current air temperature stands at 79F, but the heat index makes it feel like 82F. Relative humidity is sitting at 84%, with a dew point of 73F, indicating quite humid conditions right from the start. The sky is clear, and winds are light at 7 mph with gusts reaching 14 mph.

Today and Tonight Forecast

Temperatures are expected to climb sharply today. The high will reach near 94F, with heat index values as high as 100. The sky will be mostly sunny initially, but there is a slight chance of showers and thunderstorms after 4pm. The chance of precipitation is 17%, with new rainfall amounts less than a tenth of an inch possible. Winds will shift to the south southeast at 5 to 10 mph.

As evening approaches, conditions will remain partly cloudy. A slight chance of showers and thunderstorms persists before 7pm. The low will drop to near 76F, though temperatures may rise to around 78F overnight. Heat index values will remain elevated, reaching as high as 99. The chance of precipitation remains at 20% for the overnight period.

Tomorrow Outlook

The heat will intensify tomorrow. The high will near 96F, with heat index values climbing as high as 102. Skies will be mostly sunny, but a slight chance of showers and thunderstorms is possible after 4pm. The chance of precipitation is 18%, with rainfall amounts expected to be less than a tenth of an inch. Winds will be from the south at 5 to 10 mph.

Tomorrow night will see partly cloudy skies with a low around 75F. Temperatures may rise to around 77F overnight. A slight chance of showers and thunderstorms exists before 7pm, with a 20% chance of precipitation. Heat index values will reach as high as 101.

Safety Reminder

With heat indices reaching the low 100s, it is crucial to stay hydrated and limit midday exertion. Check on neighbors and pets to ensure they remain cool and safe during the peak heat hours. There are no active NWS/NOAA weather alerts at this time.

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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