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5-day forecast / Van Alstyne, TX

TodayChance Showers And Thunderstorms then Showers And Thunderstorms81° / 67° 88%
MondayShowers And Thunderstorms Likely then Chance Showers And Thunderstorms78° / 66° 55%
TuesdayMostly Sunny85° / 72° 5%
WednesdayMostly Sunny92° / 77° 2%
ThursdayMostly Sunny91° / 74° 5%

Humid Start to Sunday Night in Van Alstyne as Storms Approach

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

Van Alstyne residents face high humidity and a significant chance of showers and thunderstorms today and tonight. Conditions will remain unsettled through tomorrow with continued rain risks.

Marlene Ortiz

June 14, 20262 min read

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

Current Conditions and Humidity

It is currently Sunday overnight in Van Alstyne, and the air feels heavy with moisture. The current air temperature stands at 81F, but the heat index makes it feel like 85F. Relative humidity is sitting at 74%, with a dew point of 72F indicating quite humid conditions. Winds are blowing from the south at 12 mph, with gusts reaching up to 24 mph. The sky remains clear at this moment, but that is set to change rapidly.

Today and Tonight Forecast

Today brings a high near 83F and a low near 76F. There is a 78% chance of precipitation, with showers and thunderstorms expected to develop early in the morning before becoming more widespread. Temperatures will fall to around 80F in the afternoon. Rainfall amounts between a quarter and half of an inch are possible.

Tonight, the risk of rain remains high. Showers and thunderstorms are likely before 7pm, followed by a chance of showers and thunderstorms between 7pm and 4am, and then likely conditions again. The sky will be mostly cloudy with a low around 67F. Winds will shift to the north northeast at 5 to 10 mph. Another quarter to half an inch of rain is possible during this period. Temperatures may rise to around 78F overnight before dropping.

Tomorrow Outlook

Tomorrow will see a high near 78F and a low near 66F. Showers and thunderstorms are likely before 7am, followed by a chance of showers and thunderstorms between 7am and 1pm. The sky will be mostly cloudy with northeast winds around 10 mph. The chance of precipitation is 60%, with new rainfall amounts between a tenth and quarter of an inch possible. Tomorrow night will be mostly cloudy with a low around 66F and light east northeast winds.

Safety Reminder

With high humidity and the potential for thunderstorms, stay aware of changing conditions. Keep an eye on local updates as storms develop. Ensure you have a plan for safe shelter if severe weather approaches. Stay hydrated and avoid unnecessary travel during peak storm activity.

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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