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5-day forecast / Van Alstyne, TX

TodayMostly Clear0° / 73°
WednesdayMostly Sunny90° / 75° 1%
ThursdaySunny94° / 75° 2%
FridayShowers And Thunderstorms Likely88° / 74° 62%
SaturdayChance Showers And Thunderstorms90° / 76° 41%

Humid Start in Van Alstyne as Temps Climb Toward 90

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 90F tomorrow with increasing winds and heat index values reaching 99.

Marlene Ortiz

June 17, 20262 min read

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

Current Conditions and Humidity

The air in Van Alstyne, TX, feels heavy this evening as humidity levels remain quite high. The current air temperature sits at 84F, but the combination of moisture and heat pushes the feels-like temperature up to 90F. Relative humidity is recorded at 66%, with a dew point of 72F indicating significant moisture in the atmosphere. Winds are light at 6 mph, though gusts have reached 12 mph. Above, the sky remains clear, offering no immediate relief from the warmth.

Forecast for Today and Tomorrow

Looking ahead, conditions will stay dry with no chance of precipitation expected today. Temperatures will peak near 87F before dropping to a low near 73F tonight. The evening will bring mostly clear skies and south southeast winds ranging from 5 to 10 mph.

Tomorrow, the heat will intensify. Highs are expected to reach near 90F under mostly sunny skies. The National Weather Service indicates that heat index values could climb as high as 99 due to the rising temperatures and humidity. Winds will pick up significantly, shifting to a south direction with speeds between 10 and 20 mph. Gusts may reach as high as 30 mph, making the air feel even warmer than the actual temperature suggests. By tomorrow night, skies will clear again with lows around 75F, though the heat index will remain elevated near 98. South southeast winds will continue at 10 to 20 mph with similar gust potential.

Safety and Preparedness

With heat index values approaching 100F, it is crucial to stay hydrated and limit prolonged outdoor exertion during the peak heat hours. The combination of high temperatures and humidity can lead to heat-related illnesses quickly. Ensure you have access to cool environments and drink plenty of water throughout the day. While there are no active weather alerts or warnings in effect, the rising heat warrants caution. Check on neighbors, particularly the elderly or those with health conditions, to ensure they are staying cool and safe during this warm period.

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

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Marlene Ortiz

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

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