Humid Start and Rising Heat
Conditions in Van Alstyne are defined by significant moisture this Sunday morning. The current air temperature sits at 75F, but the heat index makes it feel like 77F. Relative humidity is high at 89%, with a dew point of 72F indicating very muggy air. Winds are blowing from the south southwest at 10 mph, with gusts reaching 29 mph, while the sky remains clear.
Today, the sun will break through the humidity, resulting in mostly sunny skies. Highs will approach 91F, with overnight lows near 77F. The National Weather Service indicates heat index values as high as 102 during the day. Winds will shift to the south southwest around 15 mph, with gusts as high as 25 mph. The chance of precipitation is minimal at 2%.
Storms and Higher Heat Index Tomorrow
Temperatures will climb slightly tomorrow, with highs near 92F and lows around 76F. The atmosphere will become increasingly unstable, bringing a chance of showers and thunderstorms. The chance of precipitation rises to 34%, with new rainfall amounts between a tenth and a quarter of an inch possible.
Heat will remain intense, with heat index values reaching as high as 103. Winds will continue from the south at 10 to 15 mph. The forecast suggests a chance of showers and thunderstorms before 10am, followed by another chance between 10am and 1pm, before conditions ease to a slight chance later in the day. Partly sunny skies are expected.
