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5-day forecast / Van Alstyne, TX

ThursdayChance Rain Showers91° / 72° 36%
FridayMostly Sunny95° / 73° 13%
SaturdaySunny96° / 74°
SundaySunny97° / 75° 6%
MondaySunny97° / 75° 4%

Oppressive Humidity Grips Van Alstyne as Heat Builds - Sep 3, 6 AM

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

Van Alstyne residents face a muggy start with 100% relative humidity and a dew point of 75F. Temperatures will climb toward 91F today with scattered rain chances, followed by even hotter conditions tomorrow.

Marlene Ortiz

September 3, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 3, 6 AM local time.*

Muggy Start to the Week

A heavy, oppressive humidity is currently settling over Van Alstyne, TX. The air feels thick and saturated right now, with the relative humidity sitting at a full 100 percent. The dew point is recorded at 75F, creating a muggy atmosphere that makes the air feel heavier than usual.

The current air temperature is 75F, but because of the moisture in the air, it feels like 77F. Winds are light from the east-southeast at 6 mph, though gusts have reached up to 15 mph. The sky remains completely cloudy, blocking out direct sunlight for the moment.

Rising Heat and Rain Chances

Conditions will shift as the day progresses. Today, the high will reach near 91F. While it will be partly sunny later in the afternoon, there is a chance of rain showers before 1pm, followed by a chance of showers and thunderstorms between 1pm and 4pm.

The heat index values are expected to climb as high as 98F, making it feel significantly hotter than the actual air temperature. Southeast winds will pick up slightly to 5 to 10 mph, with gusts potentially reaching 25 mph. There is a 36 percent chance of precipitation overall for the day.

Tonight, the sky will become partly cloudy as temperatures drop to a low near 73F. Winds will shift to south-southeast at 5 to 10 mph, with gusts up to 25 mph. A slight chance of rain showers remains, with a 20 percent probability and less than a tenth of an inch of new rainfall possible.

Hotter Conditions Ahead

Tomorrow brings even more intense heat. The high will near 95F under mostly sunny skies. The heat index is forecast to reach as high as 103F, creating dangerous heat stress levels for those outside.

Winds will remain from the south-southeast at 5 to 10 mph. There is a 13 percent chance of precipitation, with less than a tenth of an inch possible. Temperatures will drop to a low near 73F tomorrow night under clear skies.

With heat index values pushing into the upper 90s and over 100, it is critical to stay hydrated and limit midday exertion. Check on elderly neighbors or those without air conditioning to ensure their safety during these rising temperatures.

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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