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5-day forecast / Van Alstyne, TX

TodaySlight Chance Showers And Thunderstorms80° / 69° 24%
TuesdayMostly Sunny87° / 72° 4%
WednesdayMostly Sunny91° / 76° 1%
ThursdayMostly Sunny92° / 72° 5%
FridayShowers And Thunderstorms Likely then Chance Showers And Thunderstorms86° / 72° 60%

Humid Start in Van Alstyne as Showers Fade for Sunny Tomorrow

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

Van Alstyne residents face high humidity and a slight chance of storms today, with conditions clearing up significantly by tomorrow under mostly sunny skies.

Marlene Ortiz

June 15, 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 are waking up to a notably muggy start to the day. The air temperature is currently sitting at 73F, but the heat index makes it feel like 75F. This discrepancy is driven by significant moisture in the air, with the relative humidity at 89% and a dew point of 70F. These elevated dew point levels indicate a heavy, sticky atmosphere that many find uncomfortable.

Wind conditions are light but variable, with speeds recorded at 6 mph and gusts reaching up to 21 mph. The sky overhead is mostly cloudy, blocking much of the direct sunlight but contributing to the stagnant, humid feel. There are no active National Weather Service or NOAA weather alerts in effect for this area at this time, allowing for a relatively calm environment despite the oppressive moisture levels.

Forecast for Today and Tomorrow

Looking ahead, the atmosphere will remain unstable for the rest of the day. There is a slight chance of showers and thunderstorms before 4pm today. The National Weather Service indicates a 20% chance of precipitation during this window, with mostly cloudy skies persisting. Temperatures will climb to a high near 80F, while winds from the northeast will average around 10 mph.

As the day transitions into tonight, the clouds will remain mostly in place. Temperatures will drop to a low around 69F. Winds will shift to the east and slow down, ranging from 0 to 10 mph. The humidity will likely remain a factor overnight, keeping the air thick.

By tomorrow, the weather pattern will shift dramatically. The sky will clear to become mostly sunny, offering a break from the cloud cover. Highs will jump to near 87F, signaling a warmer day ahead. Winds will be light from the east southeast, between 0 to 5 mph. The chance of precipitation drops significantly to just 4%, making it a dry and bright day. Temperatures will settle to a low near 72F tomorrow night as skies turn partly cloudy.

Safety Reminder

Given the high humidity and potential for isolated storms today, stay hydrated and keep an eye on the sky for any developing weather. As temperatures rise toward 87F tomorrow, limit midday exertion and seek shade to avoid heat-related issues.

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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