*As of Jul 21, 8 PM local time.*
Dangerous Heat Conditions Underway
An Extreme Heat Warning is currently in effect for Van Alstyne, Texas, signaling severe and expected dangerous heat conditions. As of this Tuesday evening, the air temperature stands at 95F, but the heat index makes it feel like 107F.
The atmosphere is holding significant moisture, with a dew point of 75F and relative humidity at 53%, creating an oppressively humid environment that hinders the body's ability to cool itself. Winds are light at 5 mph with gusts up to 8 mph, and the sky remains clear.
Forecast for Today and Tomorrow
Today, temperatures will peak near 104F before dropping to a low near 81F. There is no chance of precipitation, and skies will stay clear. Overnight, conditions will remain clear with lows around 81F, though temperatures may rise slightly to around 83F. Heat index values are expected to reach as high as 105F. Winds will shift to the southeast at 0 to 5 mph.
Tomorrow, the heat will persist with sunny skies and a high near 99F. The heat index is forecast to climb as high as 109F. Northeast winds will pick up slightly, blowing at 5 to 10 mph.
There is a minimal 2% chance of precipitation. Tomorrow night will be clear with a low around 77F, potentially rising to 79F overnight. Heat index values will remain elevated at 105F, with east northeast winds at 5 to 10 mph.
