Current Conditions and Heat Stress
It is currently Saturday overnight in Sherman, and the air remains thick with moisture. The current air temperature sits at 75F, but the high relative humidity of 96% and a dew point of 74F make it feel muggy. The wind is blowing from the south at 11 mph, with gusts matching that speed, while the sky remains partly cloudy. The heat index is currently around 77F, but conditions are expected to intensify significantly as the day progresses.
Forecast for Today and Tonight
Today will be mostly sunny with a high near 91F. The heat index is forecast to reach as high as 98F, creating a potentially hazardous environment for prolonged outdoor activity. South winds will range from 5 to 10 mph, with gusts reaching up to 20 mph. The chance of precipitation is minimal at just 3%.
As tonight approaches, skies will turn mostly cloudy before becoming partly cloudy later. A low around 76F is expected initially, but temperatures may rise to around 77F during the overnight hours. There is a chance of showers and thunderstorms developing after 1am. Winds will shift to a south direction around 10 mph, with gusts up to 20 mph. The chance of precipitation rises to 40%, with new rainfall amounts between a tenth and a quarter of an inch possible.
Tomorrow’s Stormy Outlook
Tomorrow brings a significant shift in weather patterns. Showers and thunderstorms are likely, with a high near 83F. Temperatures may fall to around 80F in the afternoon as cooler air moves in. West northwest winds will be 5 to 10 mph. The chance of precipitation is 70%, with new rainfall amounts between a quarter and half of an inch possible.
Temperatures will drop to a low near 65F tomorrow night, though they may rise to around 67F overnight. North northeast winds will be 5 to 10 mph. There is a chance of showers and thunderstorms before 1am, followed by likely showers and thunderstorms later. The chance of precipitation remains at 70%.