Oppressive Humidity Dominates Saturday
Residents in Sherman are experiencing oppressively humid conditions this afternoon. The air temperature stands at 84F, but the heat index makes it feel like 92F. A dew point of 75F and relative humidity of 74% create a muggy atmosphere that feels heavy and stifling. Winds are blowing from the south at 10 mph, with gusts reaching up to 20 mph, while the sky remains clear.
Rain and Relief Expected Tomorrow
The heat will persist through the day, with temperatures climbing to a high near 91F. The National Weather Service indicates heat index values could reach as high as 98F. The chance of precipitation today is only 11%, with mostly sunny skies expected.
Tonight, conditions will shift slightly. A chance of showers and thunderstorms is expected after 1am, bringing a 40% chance of rain. Temperatures will drop to a low near 75F, though they may rise to around 77F overnight. Heat index values will remain high at 98F. Winds will stay around 10 mph from the south, with gusts up to 20 mph. New rainfall amounts between a tenth and quarter of an inch are possible.
Tomorrow brings a significant change. Showers and thunderstorms will be likely, with a 68% to 70% chance of precipitation depending on the time of day. Highs will drop to near 83F, falling to around 80F in the afternoon. Winds will shift to the west northwest at 5 to 10 mph. Rainfall totals between a quarter and half an inch are expected. Tomorrow night, showers and thunderstorms will likely continue before 1am, with lows near 65F and additional rain possible.