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5-day forecast / Van Alstyne, TX

TodayChance Showers And Thunderstorms90° / 76° 37%
WednesdaySlight Chance Showers And Thunderstorms92° / 75° 19%
ThursdaySunny92° / 76°
FridayMostly Sunny94° / 77°
SaturdayMostly Sunny96° / 77°

Humidity Peaks in Van Alstyne as Heat Index Climbs

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

Van Alstyne residents face oppressive humidity with a dew point of 75F today. Highs near 90F and heat indices up to 101F are expected, with a slight chance of storms before 1pm.

Marlene Ortiz

June 23, 20262 min read

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

Oppressive Humidity and Heat

The air in Van Alstyne is currently heavy with moisture, creating an oppressively humid environment. The relative humidity stands at 74%, with a dew point of 75F. These conditions contribute to a feels-like temperature of 92F, even though the actual air temperature is 84F. Winds are blowing at 16 mph, though gusts are reported at 15 mph, under a sky that is mostly cloudy.

Forecast for Today and Tomorrow

Today, the heat index is expected to reach as high as 101F. There is a slight chance of showers and thunderstorms before 1pm, with a 20% chance of precipitation overall. New rainfall amounts less than a tenth of an inch are possible. Highs will reach near 90F, with lows near 76F. South winds will shift to 5 to 10 mph.

Tonight, the humidity remains high, with heat index values as high as 99F. Temperatures will drop to around 76F, though they may rise to around 78F overnight. There is a slight chance of showers and thunderstorms between 10pm and 1am. The sky will be partly cloudy, and south southeast winds will blow at 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch are possible.

Tomorrow, the sky will be mostly sunny with a high near 92F. The heat index will again climb to as high as 101F. South southwest winds will be around 10 mph. The chance of precipitation drops to 3%. Tomorrow night will be mostly clear with a low around 76F and heat index values as high as 99F. South winds will remain around 10 mph.

Safety Reminder

Given the high heat index values and oppressive humidity, it is important to stay hydrated and limit midday exertion. Check on neighbors who may be vulnerable to the heat. There are no active weather alerts at this time.

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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Humidity Peaks in Van Alstyne as Storms Fade

Oppressive humidity lingers in Van Alstyne with a dew point of 75F. Showers and thunderstorms are possible today, but conditions clear up tomorrow with highs near 92F.

Marlene OrtizJune 23, 20262 min read