Humidity Clings to Sherman as Temperatures Climb Toward 101 - Jul 19, 8 PM

*As of Jul 19, 8 PM local time.*

Current Conditions and Humidity

The air in Sherman remains quite heavy with moisture this Sunday evening. Current readings show an air temperature of 86F, but the heat index makes it feel like 93F. Relative humidity sits at 65%, with a dew point of 72F indicating significant moisture in the atmosphere. Winds are light, blowing at 5 mph with gusts reaching 7 mph, under a clear sky.

Evening and Overnight Outlook

Tonight, conditions will shift as a chance of showers and thunderstorms moves through before 10pm. After that, skies will become mostly clear. Temperatures will drop to a low near 78F. Despite the cooling, the heat index will remain elevated, reaching values as high as 101. South winds will persist around 5 mph. The chance of precipitation is estimated at 30%.

Tomorrow’s Heat Build

Tomorrow, the region will see a significant rise in temperatures. Expect sunny skies with a high near 101F. The heat index is forecast to climb to 107, creating dangerous heat stress levels. Southwest winds will remain light at around 5 mph. The chance of precipitation drops to just 2%.

Safety Reminders

With heat indices exceeding 100F both tonight and tomorrow, extreme caution is necessary. Hydrate frequently and limit midday exertion to avoid heat-related illness. Check on elderly neighbors and those without air conditioning, as nights will remain warm with lows near 78F and overnight temperatures rising to around 80F.

The heat index will stay high at 105 during the overnight hours, offering little relief. Stay indoors during the hottest parts of the day and seek air-conditioned spaces if possible.

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Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com