Current Conditions and Heat Index
Van Alstyne is currently experiencing very hot and oppressively humid conditions this afternoon. The air temperature stands at 88F, but the heat index makes it feel like 98F. Relative humidity is at 66%, with a dew point of 75F, creating a muggy atmosphere that limits evaporative cooling. Winds are light, blowing from the south southwest at 7 mph with gusts reaching 8 mph. The sky is partly cloudy, offering minimal relief from the sun.
Forecast for Today and Tonight
Today will be mostly sunny with a high near 92F. The National Weather Service indicates that heat index values will climb as high as 101 during the peak heat of the day. South southwest winds will persist at 5 to 10 mph. There is only a 13% chance of precipitation, so expect dry conditions overall.
Tonight, skies will clear to mostly clear. Temperatures will drop to a low around 75F, though they may rise slightly to around 77F overnight. The heat index will remain elevated, with values as high as 101 possible even in the evening. Winds will shift to the south southeast, maintaining speeds of 5 to 10 mph. The lack of significant wind and high humidity will keep the night feeling warm and sticky.
Tomorrow Outlook
Tomorrow will be sunny with a high near 91F. The chance of precipitation drops to just 4%. Winds will increase, coming from the south southwest at 10 to 15 mph, with gusts as high as 25 mph. This slight increase in wind may provide marginal relief from the heat, but temperatures will remain well above average. Tomorrow night will be partly cloudy with a low around 76F and south winds around 15 mph, with gusts up to 25 mph.
