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5-day forecast / Prosper, TX

TuesdaySunny99° / 79°
WednesdaySunny99° / 79° 2%
ThursdaySunny98° / 78° 2%
FridaySunny98° / 77°
SaturdaySunny97° / 76° 5%

Heat Advisory in Effect for Prosper as Temperatures Climb Near 100 - Sep 14, 2 PM

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

A Heat Advisory is active for Prosper, TX, with current heat index values reaching 102F. Sunny skies and high humidity will keep conditions dangerous through tomorrow evening.

Opal Fields

September 14, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 14, 2 PM local time.*

Dangerous Heat Conditions Underway

Residents in Prosper are currently under a Heat Advisory issued by the National Weather Service. The alert remains in effect until September 15 at 8:00PM CDT, signaling moderate severity with expected urgency for the region. Current conditions reflect this intense heat, with the air temperature sitting at 97F while the feels-like temperature reaches 102F.

Relative humidity is at 39%, and the dew point is recorded at 68F. Winds are blowing from the south southwest at 8 mph, with gusts reaching up to 15 mph under a mostly clear sky.

Forecast for Today and Tomorrow

Today will remain sunny with a high near 100F. The National Weather Service indicates heat index values could climb as high as 105F due to south southwest winds of 10 to 15 mph. There is only a 1% chance of precipitation.

Temperatures are expected to drop to a low near 80F tonight, though they may rise slightly to around 82F overnight. Heat index values will remain elevated at up to 102F with south winds of 10 to 15 mph.

Tomorrow continues the hot trend with sunny skies and a high near 101F. Heat index values are forecast to reach 104F, supported by south winds around 10 mph and gusts as high as 20 mph. The chance of rain remains minimal at 1%.

Temperatures will fall to a low near 79F tomorrow night, potentially rising to 81F overnight. Heat index values will stay near 102F with south southeast winds of 5 to 10 mph and gusts up to 20 mph.

Safety Reminders

Given the active advisory and dangerous heat index values, it is critical to prioritize safety during this period. Stay hydrated by drinking water frequently, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when solar intensity is highest.

If you must be outside, seek air-conditioned spaces whenever possible and check on elderly neighbors or those without reliable cooling. Wear lightweight, light-colored clothing to help manage body temperature effectively.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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