Heat Advisory in Effect for Sherman as Temperatures Climb to 103F - Jul 20, 8 PM

*As of Jul 20, 8 PM local time.*

Dangerous Heat Conditions Underway

A Heat Advisory is currently in effect for Sherman, Texas, signaling dangerous heat conditions for residents. The National Weather Service has issued this moderate-severity alert due to dangerously high heat index values that will make it feel significantly hotter than the actual air temperature.

Current conditions in Sherman reflect the intensity of the heat. The air temperature stands at 94F, but the combination of heat and moisture results in a feels-like temperature of 101F. Humidity levels are notable, with a dew point of 70F and relative humidity at 46%.

Winds are blowing from the south at 9 mph, with gusts reaching up to 12 mph, while the sky remains clear.

Forecast for Tonight and Tomorrow

Temperatures will remain elevated through the night. Tonight, skies will stay clear with a low near 78F. However, temperatures are expected to rise to around 80F overnight, keeping the heat index values as high as 107. South winds will decrease to around 5 mph.

Tomorrow promises even more intense heat. The forecast calls for sunny skies with a high near 103F. The heat index is projected to peak at 109F, creating hazardous conditions for prolonged outdoor exposure.

Winds will shift to the west northwest at around 5 mph. Following tomorrow, clear skies are expected with a low near 80F, though temperatures may rise to around 82F overnight, with heat index values reaching 108F.

Safety Reminders

Given the active Heat Advisory and the extreme heat index values forecasted for the next 24 to 48 hours, it is critical to take precautions. Stay hydrated by drinking plenty of water, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday and afternoon hours when the sun is strongest.

Check on elderly neighbors and those who may be vulnerable to heat-related illnesses. If you must be outside, seek air-conditioned spaces as much as possible and wear lightweight, light-colored clothing to help manage the intense heat.

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Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com