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5-day forecast / Van Alstyne, TX

TodaySlight Chance Showers And Thunderstorms87° / 74° 18%
SundayMostly Sunny92° / 77° 4%
MondayChance Showers And Thunderstorms91° / 75° 34%
TuesdayShowers And Thunderstorms Likely then Chance Showers And Thunderstorms90° / 74° 58%
WednesdayChance Showers And Thunderstorms then Showers And Thunderstorms Likely87° / 72° 55%

Oppressive Humidity Grips 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. Temperatures will rise to 92F tomorrow with a heat index nearing 106F. No severe weather alerts are active.

Marlene Ortiz

June 20, 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 is currently heavy with moisture, creating an oppressive atmosphere for those outdoors. As of this Saturday afternoon, the air temperature stands at 82F, but the heat index makes it feel like 89F. The relative humidity is at 79%, with a dew point of 75F indicating significant moisture in the air. Winds are light at 7 mph, with gusts reaching 5 mph, while the sky remains mostly cloudy.

Forecast for Today and Tonight

Today, temperatures are expected to climb to a high near 87F. The National Weather Service indicates a slight chance of showers and thunderstorms, with precipitation chances at 18%. Rainfall amounts, if any, will likely be less than a tenth of an inch. Heat index values may reach as high as 98F during the day. Winds will shift to south southeast around 5 mph.

As tonight approaches, conditions will remain partly cloudy with a low near 74F. There is a slight chance of showers and thunderstorms before 7pm. Winds will increase to south southeast at 10 to 15 mph, with gusts as high as 25 mph. The chance of precipitation remains at 20%.

Tomorrow and Safety Reminders

Tomorrow, the weather will turn mostly sunny with a high near 92F. The heat index is forecast to reach as high as 106F, signaling dangerous heat levels. Winds will pick up from the south at 15 to 20 mph, with gusts up to 30 mph. Tomorrow night, there is a chance of showers and thunderstorms after 1am, with lows around 77F and heat index values near 103F. Rainfall between a tenth and quarter of an inch is possible.

No active National Weather Service or NOAA weather alerts are currently in effect for Van Alstyne. However, the rising heat index warrants caution. Residents should stay hydrated and limit midday exertion to avoid heat-related illness. Check on neighbors, especially the elderly, who may be more vulnerable to the oppressive humidity and rising temperatures.

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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