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5-day forecast / Van Alstyne, TX

TodaySlight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms0° / 72° 44%
SaturdayChance Showers And Thunderstorms88° / 75° 40%
SundayMostly Sunny93° / 77° 4%
MondayChance Showers And Thunderstorms92° / 74° 25%
TuesdayShowers And Thunderstorms Likely then Chance Showers And Thunderstorms90° / 73° 58%

Humidity Rises in Van Alstyne With Slight Storm Chance

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

Van Alstyne faces high humidity today with a slight chance of showers. Temperatures will climb toward 88F tomorrow, bringing heat index values near 97F.

Marlene Ortiz

June 19, 20262 min read

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

Current Conditions and Humidity

Residents in Van Alstyne, TX, are experiencing quite humid conditions this Friday afternoon. The air temperature stands at 79F, but the heat index feels like 80F due to the moisture in the air. Relative humidity is at 74%, with a dew point of 70F, creating a muggy atmosphere. The sky is currently cloudy, and winds are light at 6 mph with gusts reaching 8 mph.

Forecast for Today and Tonight

Today, high temperatures will reach near 82F, though they may fall to around 78F in the afternoon. There is a slight chance of showers and thunderstorms, with a 21% probability of precipitation. The National Weather Service indicates a 20% chance of rain, with new rainfall amounts less than a tenth of an inch possible. Winds will shift to east southeast around 10 mph.

Tonight, conditions remain mostly cloudy with a low near 72F. Temperatures may rise to around 74F overnight. The chance of precipitation increases to 40%. There is a slight chance of showers and thunderstorms before 7pm, followed by a chance of showers and thunderstorms between 7pm and 1am, and then a continued chance of showers and thunderstorms. Winds will be east southeast at 5 to 10 mph, with gusts as high as 20 mph. New rainfall amounts between a tenth and quarter of an inch are possible.

Tomorrow's Outlook

Tomorrow, the weather will turn mostly sunny with a high near 88F. Temperatures may drop to around 86F in the afternoon. The heat index values could reach as high as 97F. There is a 40% chance of showers and thunderstorms, with new rainfall amounts less than a tenth of an inch possible. Winds will be south southeast at 5 to 10 mph.

Tomorrow night, conditions will become mostly clear with a low around 75F. Temperatures may rise to around 77F overnight. The heat index values could reach as high as 98F. There is a 30% chance of precipitation, with a chance of showers and thunderstorms before 7pm. Winds will be south southeast at 10 to 15 mph, with gusts as high as 25 mph.

Safety Reminder

With high humidity and rising temperatures, it is important to stay hydrated and limit midday exertion. Keep an eye on the sky for any developing storms, especially in the evening hours.

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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