Current Conditions and Humidity
The air in Sherman is quite heavy with moisture this afternoon. Current readings show an air temperature of 77F, but the heat index makes it feel like 79F. Relative humidity is sitting at a sticky 89%, with a dew point of 73F indicating significant moisture in the atmosphere. Winds are light at 7 mph, with gusts reaching 4 mph, while the sky remains cloudy.
Today and Tonight Forecast
Temperatures will climb significantly throughout the day, reaching a high near 88F. The National Weather Service indicates a slight chance of showers and thunderstorms between 1pm and 4pm, though the overall chance of precipitation is listed at 15% to 20%. Heat index values are expected to peak around 99 during the afternoon hours. As evening approaches, skies will become partly cloudy with a low near 74F. Winds will shift to the south southeast, increasing to 5 to 10 mph with gusts as high as 25 mph. The heat index will remain elevated, reaching up to 98 overnight.
Tomorrow Outlook
Conditions will shift toward clearer skies tomorrow, with mostly sunny skies expected. Highs will jump to near 93F, making it noticeably warmer than today. Heat index values are forecast to reach as high as 105, signaling dangerous heat levels. Winds will pick up from the south southwest, averaging around 15 mph with gusts up to 30 mph. While the chance of precipitation drops to just 3% during the day, a chance of showers and thunderstorms returns tomorrow night between 1am and 4am. Rainfall amounts of a tenth to a quarter of an inch are possible. Lows will settle near 77F with heat index values hitting 106.