*As of Jul 20, 4 PM local time.*
Dangerous Heat Conditions Underway
A Heat Advisory is currently in effect for Sherman, Texas, signaling dangerous heat conditions for the region. The National Weather Service has issued this moderate-severity alert, which remains in place until the evening of July 21. Residents are urged to take this warning seriously as temperatures and humidity levels combine to create hazardous heat index values.
As of this afternoon, the air temperature stands at 97F, but the combination of heat and moisture makes it feel significantly hotter. The current heat index is 104F. The relative humidity is at 42%, with a dew point of 70F, indicating substantial moisture in the air.
Winds are light, blowing from the southwest at around 5 mph with gusts reaching 6 mph. The sky remains mostly clear, allowing the sun to intensify the heat without obstruction.
Forecast for Today and Tomorrow
The National Weather Service forecasts continued sunny skies for today, with a high near 100F. Heat index values are expected to reach as high as 107 during the day. Tonight, conditions will clear up, with a low around 78F. However, temperatures will rise to around 80F overnight, keeping the heat index elevated at 107. Winds will shift to the south at around 5 mph.
Tomorrow promises to be even hotter, with a high near 103F under sunny skies. The heat index is forecast to peak at 108. Winds will come from the west northwest at around 5 mph.






