Current Conditions and Heat Index
Denison is currently under the influence of dangerous heat and oppressive humidity. The air temperature stands at 90F, but the heat index makes it feel like 100F. Relative humidity is at 63%, with a dew point of 75F, creating a muggy atmosphere that can make outdoor activities feel more strenuous than the actual temperature suggests. Winds are blowing from the south southwest at around 5 mph, with gusts reaching 8 mph. The sky remains mainly clear, allowing the sun to intensify the heat.
Forecast for Today and Tomorrow
Temperatures will remain high through the rest of the day, with a high near 96F expected. The heat index may climb as high as 104 during the afternoon hours. While the morning will be sunny, there is a slight chance of showers and thunderstorms developing after 4pm. The chance of precipitation is currently at 14%. As evening approaches, the sky will become partly cloudy with a low near 77F. Overnight, temperatures may rise slightly to around 79F, with a heat index as high as 103. Winds will shift to the southeast at around 5 mph.
Tomorrow will see similar conditions, with a high near 96F and a low near 75F. The sky will be mostly sunny, but a slight chance of showers and thunderstorms is possible after 1pm. The chance of precipitation increases to 20%. Overnight, temperatures will drop to around 75F, potentially rising to 77F later in the night, with a heat index as high as 100. Winds will be light, ranging from 0 to 5 mph from the east.
