Back to Weather

5-day forecast / Van Alstyne, TX

TodaySunny95° / 77°
WednesdaySunny95° / 76° 1%
ThursdaySunny95° / 77° 11%
FridayMostly Sunny96° / 78° 2%
SaturdayMostly Sunny98° / 80° 2%

Humid Heat Persists in Van Alstyne as Temperatures Climb

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

Van Alstyne residents face a humid Tuesday afternoon with a heat index reaching 100 degrees. Clear skies and warm lows are expected through tomorrow.

Marlene Ortiz

June 30, 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 Tuesday this afternoon in Van Alstyne, TX, where the air feels noticeably heavy. The current air temperature stands at 86F, but the heat index makes it feel like 92F. This discrepancy is driven by significant moisture in the air, with a dew point of 72F and a relative humidity of 62%. The sky remains clear, but the warmth is intensified by south winds blowing at 15 mph, with gusts reaching up to 19 mph.

Forecast for Today and Tomorrow

The National Weather Service indicates that sunny conditions will dominate the immediate forecast. Today, temperatures will rise to a high near 95F. The heat index is expected to peak at 100, creating conditions that require caution. There is a 0% chance of precipitation, ensuring dry skies throughout the day.

As the sun sets tonight, the sky will clear completely. Temperatures will drop to a low near 77F, though they may rise slightly to around 79F during the overnight hours. The heat index will remain elevated, reaching as high as 97. Winds will continue from the south at 10 to 15 mph, with gusts potentially hitting 25 mph.

Tomorrow brings similar warmth. Expect another sunny day with a high near 95F. The heat index will again reach 100, mirroring today’s intense conditions. Winds will remain from the south at 10 to 15 mph. Overnight into the early hours of the next day, skies will clear, with a low around 76F. Temperatures may rise to around 78F overnight, with a heat index up to 97. Winds will shift to south southeast at 5 to 15 mph.

Safety Reminders

With heat indices reaching 100 degrees, it is crucial to stay hydrated and limit midday exertion. The combination of high temperatures and humidity can lead to heat-related illnesses quickly. Ensure that vulnerable neighbors are checked on and that pets have access to cool, shaded areas. While there are no active weather alerts, the persistent heat warrants vigilance. Keep indoor spaces cool and avoid prolonged exposure to the sun during the hottest parts of the day.

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

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

Share

Marlene Ortiz

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

Related Stories