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5-day forecast / Van Alstyne, TX

TodayMostly Sunny86° / 72°
WednesdayMostly Sunny91° / 75°
ThursdayMostly Sunny93° / 74° 4%
FridayChance Showers And Thunderstorms88° / 74° 53%
SaturdayChance Showers And Thunderstorms90° / 77° 35%

Humidity Lingers in Van Alstyne as Temps Climb Toward 91

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

Van Alstyne residents face high humidity today with a dew point of 72F. Temperatures will rise to 91F tomorrow with a heat index near 101. No severe weather alerts are active.

Marlene Ortiz

June 16, 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 feels heavy this afternoon, with moisture levels remaining quite high. The current air temperature sits at 79F, but the heat index makes it feel like 82F. Relative humidity is holding at 79%, supported by a dew point of 72F. Winds are light, blowing from the east southeast at 6 mph, with gusts reaching up to 2 mph. The sky is mostly cloudy, but conditions are expected to clear significantly as the day progresses.

Forecast for Today and Tonight

Today will see a shift to mostly sunny skies. The high will reach near 86F, while the low tonight will drop to around 72F. There is no chance of precipitation for today. As evening sets in, skies will become partly cloudy. Overnight, temperatures will actually rise slightly to around 74F. Winds will shift to the south southeast, picking up to 5 to 10 mph.

Tomorrow’s Heat and Wind

Temperatures will climb noticeably tomorrow. The high will approach 91F under mostly sunny skies. With the heat index values expected to reach as high as 101, conditions will feel significantly hotter than the actual air temperature. Winds will increase to the south, blowing at 10 to 20 mph with gusts as high as 30 mph. There remains a 0% chance of precipitation.

Tomorrow night will bring partly cloudy skies and a low around 75F. The heat index will remain elevated, with values as high as 98. Winds will continue from the south southeast at 10 to 20 mph, with gusts up to 30 mph.

Safety Reminder

With humidity levels high and temperatures rising toward the low 90s, it is important to stay hydrated. Limit midday exertion when possible and check on neighbors who may be vulnerable to the heat. While there are no active National Weather Service or NOAA alerts for Van Alstyne, the combination of heat and humidity warrants caution. Keep an eye on how the wind and heat index affect your comfort levels as the week progresses.

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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