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5-day forecast / Sherman, TX

WednesdaySunny105° / 81° 1%
ThursdaySunny105° / 79° 3%
FridaySunny103° / 78° 5%
SaturdaySunny103° / 78° 4%
SundaySunny103° / 81° 2%

Sherman Under Extreme Heat Warning as Temperatures Hit 106F - Aug 18, 5 PM

Sherman skies, every four hours — clear, local, and weather you can trust.

An Extreme Heat Warning is active for Sherman. Current air temperature is 106F, feeling like 107F. Sunny skies and low humidity persist through tomorrow, with highs near 105F.

Carmen Solis

August 18, 20262 min read

National Weather Service radar for North Texas (KFWS)
National Weather Service radar for North Texas (KFWS)

*As of Aug 18, 5 PM local time.*

Severe Heat Alert in Effect

Sherman is currently under an Extreme Heat Warning issued by the National Weather Service. This severe alert remains in effect until tomorrow evening. The immediate conditions are dangerous, with the air temperature sitting at 106F.

Due to the dry air, the relative humidity is only 22%, and the dew point is 59F. Despite the dryness, the heat index makes it feel like 107F. Winds are currently blowing at 10 mph, with gusts recorded at 9 mph.

The sky remains clear, offering no relief from the intense solar radiation.

Today and Tonight Outlook

For the remainder of today, expect sunny conditions with a high near 104F. The chance of precipitation is 0%. South southwest winds will be around 5 mph.

Heat index values are expected to reach as high as 105F. Tonight, the sky will remain clear. Temperatures will drop to a low near 81F, though they may rise to around 84F overnight.

South winds will shift to 5 to 10 mph. The heat index will continue to hover near 105F, keeping the air muggy and oppressive.

Tomorrow's Forecast and Safety

Tomorrow will bring similar conditions, with a high near 105F and sunny skies. The chance of rain is just 1%. Southwest winds will range from 5 to 10 mph.

The heat index is projected to climb to 107F, indicating extreme danger for those exposed to the sun. Tonight after tomorrow, skies will be mostly clear with a low near 81F, potentially rising to 84F. Heat index values may reach 106F.

Given the sustained high temperatures and low humidity, it is critical to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on elderly neighbors and those without air conditioning, as the combination of high heat and low humidity can lead to rapid dehydration. Avoid leaving pets or children in parked vehicles, as interior temperatures can rise to life-threatening levels quickly.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

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Carmen Solis

Carmen Solis covers weather, the environment, and outdoor life around Sherman.

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