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5-day forecast / Van Alstyne, TX

TodayChance Showers And Thunderstorms82° / 72° 46%
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%

Humid Start to Friday Afternoon in Van Alstyne with Storms Likely

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 this afternoon. Temperatures will rise toward 88F tomorrow with heat index values nearing 98F.

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

It is currently Friday this afternoon in Van Alstyne, TX, where the air feels heavy and muggy. The current air temperature stands at 73F, but the heat index makes it feel like 75F. Relative humidity is sitting at a sticky 89%, with a dew point of 70F indicating substantial moisture in the atmosphere. Winds are currently calm at 0 mph, though gusts have reached 27 mph. The sky remains mostly cloudy, setting the stage for the unsettled weather expected later in the day.

Today and Tonight Forecast

Showers and thunderstorms are likely before 1pm today, followed by a chance of additional storms. The sky will remain cloudy with a high near 83F. Temperatures are expected to fall to around 81F in the afternoon. East southeast winds will pick up to around 10 mph, with gusts as high as 25 mph. There is a 70% chance of precipitation, with new rainfall amounts between three quarters and one inch possible.

Tonight, conditions will remain mostly cloudy with a low around 72F. Temperatures will rise to around 74F overnight. A slight chance of showers and thunderstorms exists before 1am, followed by a general chance of storms. East winds will blow at 5 to 10 mph, with gusts up to 20 mph. The chance of precipitation drops to 30%, with new rainfall amounts between a quarter and half of an inch possible.

Tomorrow Outlook

Tomorrow, the weather will turn partly sunny with a high near 88F. Heat index values will climb as high as 98F, making it feel significantly hotter than the actual air temperature. A chance of showers and thunderstorms is expected before 1pm, followed by a continued chance of storms. South southeast winds will be 5 to 10 mph. There is a 30% chance of precipitation, with new rainfall amounts between a quarter and half of an inch possible.

Safety Reminder

With high humidity and rising temperatures, it is important to stay hydrated and limit midday exertion. Keep an eye on local updates as storms develop, and be prepared for wet roads during the afternoon 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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