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5-day forecast / Van Alstyne, TX

TodayMostly Cloudy then Chance Showers And Thunderstorms0° / 75° 80%
FridayShowers And Thunderstorms82° / 73° 80%
SaturdayChance Showers And Thunderstorms88° / 75° 42%
SundayMostly Sunny93° / 77° 6%
MondayChance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms92° / 74° 33%

Heat Advisory in Effect for Van Alstyne as Temperatures Soar

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

A Heat Advisory is active for Van Alstyne, TX, with current feels-like temperatures reaching 98F. Showers and thunderstorms are expected tonight and tomorrow with significant rainfall possible.

Marlene Ortiz

June 19, 20262 min read

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

Heat Advisory and Current Conditions

A Heat Advisory is currently in effect for Van Alstyne, Texas, indicating moderate severity and expected urgency. The National Weather Service in Fort Worth issued this alert to warn residents of dangerously hot conditions. As of this evening, the air temperature stands at 90F, but the combination of heat and humidity makes it feel like 98F. The relative humidity is at 59%, with a dew point of 73F, creating a muggy atmosphere. Winds are blowing from the east-northeast at 7 mph, with gusts reaching up to 13 mph. The sky remains mostly cloudy, limiting any relief from the sun.

Forecast for Today and Tonight

Today, high temperatures are expected to reach near 92F. The sky will be mostly cloudy, transitioning into a chance of showers and thunderstorms later in the day. Tonight, the high will drop to a low near 75F. There is an 80% chance of precipitation, with showers and thunderstorms likely between 1am and 4am, followed by continued activity. Winds will shift to the east-northeast at 5 to 10 mph. Residents should anticipate new rainfall amounts between a quarter and half of an inch. It is crucial to stay hydrated and limit outdoor exertion during the peak heat hours.

Tomorrow’s Weather Outlook

Tomorrow, conditions will remain wet and warm. Highs will struggle to reach near 82F, with lows around 73F. Showers and thunderstorms are expected before 1pm, followed by a chance of scattered storms later in the day. The sky will be cloudy, with northeast winds around 10 mph. The chance of precipitation remains at 80%, with new rainfall totals estimated between three quarters and one inch. Tomorrow night, a chance of showers and thunderstorms will persist before 1am, followed by partly cloudy skies. Lows will drop to around 73F, with east winds at 5 to 10 mph. Rainfall amounts of a quarter to half an inch are possible. Please monitor local updates for any changes in the advisory status.

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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