*As of Jul 21, 4 PM local time.*
Dangerous Heat Conditions Underway
Sherman, Texas, is currently experiencing dangerous heat conditions under an active Extreme Heat Warning issued by the National Weather Service. The warning is classified as severe with expected urgency, indicating that life-threatening heat is imminent. As of this afternoon, the air temperature stands at 102F, but the combination of heat and humidity creates a feels-like temperature of 107F.
The relative humidity is at 31%, with a dew point of 66F. Winds are light, blowing from the north northwest at 6 mph with gusts up to 9 mph, under a clear sky.
The National Weather Service has issued this alert due to the extreme heat index values expected to reach 110F. This warning remains in effect until the specified end time, emphasizing the need for caution during the peak heat hours.
The heat index, which reflects how hot it feels when relative humidity is factored in with the actual air temperature, poses significant risks to health and safety.
Forecast for Today and Tomorrow
Today, Sherman will remain sunny with a high near 102F. The heat index is expected to hit 110F. Winds will be light, shifting from north northwest at 0 to 5 mph. Tonight, skies will clear, with a low around 80F. Temperatures may rise slightly to around 82F overnight. The heat index will remain high at 110F, with east winds at 0 to 5 mph.
Tomorrow, the region will see sunny skies with a high near 99F. The heat index will be as high as 109F. Winds will increase slightly to the northeast at 5 to 10 mph.






