Current Conditions and Heat Index
Sherman is experiencing very hot conditions this afternoon, with the air temperature at 91F. Due to a dew point of 70F and relative humidity of 49%, the heat index feels like 97F. Winds are blowing from the south-southeast at 9 mph, with gusts reaching 11 mph. The sky remains clear overhead.
Today and Tonight Forecast
Temperatures are expected to reach a high near 93F today, with heat index values climbing as high as 99F. There is a 17% to 20% chance of isolated showers and thunderstorms. These storms are likely to occur before 10pm tonight. After the storms pass, skies will become mostly clear. Overnight lows will settle around 75F, with temperatures rising slightly to around 77F later in the night. The heat index will remain elevated at around 97F. Winds will continue from the southeast at 5 to 10 mph.
Tomorrow Outlook
Tomorrow will be even hotter, with a high near 94F. The heat index is forecast to reach as high as 101F. Skies will be mostly sunny, with a slight chance of showers and thunderstorms developing after 1pm. There is a 15% to 20% chance of precipitation, with new rainfall amounts less than a tenth of an inch possible. Winds will shift to the south at around 5 mph. Lows will drop to around 76F, with a slight chance of storms before 7pm. Temperatures will rise to around 78F overnight, with the heat index near 98F.
