*As of Jul 21, 4 PM local time.*
Dangerous Heat Conditions Underway
Van Alstyne, TX, is currently under an Extreme Heat Warning, a severe alert issued by the National Weather Service. The danger is immediate and significant. Right now, the air temperature stands at 100F, but the heat index makes it feel like 110F.
This combination of high heat and a dew point of 72F creates a humid environment that places extra stress on the body. The relative humidity is currently at 40%, with clear skies and winds from the north around 5 mph.
Forecast for Today and Tomorrow
Today, the sun will remain out with a high near 102F. The heat index is expected to reach as high as 110F. Overnight tonight, conditions will clear, with a low around 81F. However, temperatures will rise to around 83F during the night, keeping the heat index as high as 109F. Winds will shift to the east southeast at 0 to 5 mph.
Tomorrow, the sun will continue to shine with a high near 99F. The heat index will remain elevated, reaching as high as 109F. Winds will be from the northeast at 5 to 10 mph.
Tomorrow night will be clear with a low around 77F, though temperatures may rise to around 79F overnight. The heat index will drop slightly to as high as 105F, with east northeast winds at 5 to 10 mph. The chance of precipitation is near zero for both days.
