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5-day forecast / Prosper, TX

TuesdaySunny104° / 83°
WednesdaySunny102° / 79° 2%
ThursdaySunny99° / 79°
FridaySunny101° / 83°
SaturdayMostly Sunny102° / 83° 6%

Extreme Heat Warning in Effect for Prosper as Temperatures Soar - Jul 21, 12 PM

Prosper weather, updated every four hours — local forecasts you can trust.

An Extreme Heat Warning is active for Prosper, TX, with heat index values reaching 113F today. Current conditions show 97F with high humidity.

Opal Fields

July 21, 20262 min read

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

*As of Jul 21, 12 PM local time.*

Dangerous Heat Conditions Underway

An Extreme Heat Warning is currently in effect for Prosper, Texas, signaling severe and expected dangerous heat conditions. As of this Tuesday afternoon, the air temperature stands at 97F, but the combination of heat and humidity makes it feel like 105F. The relative humidity is at 44%, with a dew point of 72F, indicating quite humid air that traps heat close to the ground.

Winds are light, blowing at 3 mph with gusts up to 7 mph, under a clear sky.

The National Weather Service has issued this warning to highlight the significant risk posed by the extreme heat. The official alert runs from early Tuesday morning until 8:00PM CDT today. During this period, heat index values are expected to climb as high as 113F. Residents are urged to take this warning seriously, as prolonged exposure to such conditions can lead to heat-related illnesses.

Forecast for Today and Tomorrow

Today remains sunny with a high near 104F. The heat index will be a major factor, with values reaching up to 113F. Winds will be from the north northwest at 0 to 5 mph. The chance of precipitation is minimal at just 1%.

Tonight, skies will clear, allowing temperatures to drop to a low near 83F. However, the heat will linger, with temperatures rising to around 85F overnight. Heat index values will remain high at 111F. Winds will shift to the southeast at 0 to 5 mph.

Tomorrow, the heat continues with sunny skies and a high near 103F. Heat index values are forecast to reach 112F. Winds will pick up slightly, coming from the northeast at 5 to 10 mph. There is no chance of precipitation tomorrow.

Safety Reminders

Given the active Extreme Heat Warning, it is critical to stay cool and hydrated. Limit outdoor exertion, especially during the hottest parts of the day. Check on neighbors, particularly the elderly and those without air conditioning. Never leave people or pets in parked vehicles. If you must be outside, seek shade and drink water frequently, even if you do not feel thirsty.

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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