Current Conditions and Humidity
The air in Van Alstyne, TX, is currently quite heavy with moisture. As of this afternoon, the air temperature stands at 81F, but the heat index makes it feel like 85F. Relative humidity is sitting at 79%, with a dew point of 73F indicating significant stickiness. Winds are blowing from the south-southeast at 11 mph, with gusts reaching up to 23 mph. The sky remains clear at this moment, but the atmospheric pressure suggests instability ahead.
Forecast for Today and Tonight
Today, residents should expect a high near 90F. The National Weather Service indicates a chance of showers and thunderstorms before 1pm, followed by another chance between 1pm and 4pm, with lingering chances later. The sky will be mostly sunny. Heat index values could climb as high as 103F. South-southeast winds will hover around 10 mph. There is a 40% chance of precipitation, with new rainfall amounts less than a tenth of an inch possible.
Tonight, conditions will shift to mostly cloudy skies with a low around 76F. The risk of rain increases, with a chance of showers and thunderstorms before 7pm, becoming likely between 7pm and 4am, and then a chance afterward. Heat index values may reach 101F. East-southeast winds will be 5 to 10 mph. The chance of precipitation rises to 60%, with new rainfall amounts between a quarter and half of an inch possible.
Tomorrow Outlook
Tomorrow, the high will be near 91F. A chance of showers and thunderstorms is expected before 1pm, after which the sky will be partly sunny. Heat index values will be as high as 99F. South winds will be 5 to 10 mph. The chance of precipitation is 40%, with new rainfall amounts between a tenth and quarter of an inch possible. Tomorrow night will be mostly clear with a low around 77F and heat index values up to 100F.



