Back to Weather

5-day forecast / Prosper, TX

ThursdayShowers And Thunderstorms81° / 73° 91%
FridayChance Showers And Thunderstorms80° / 66° 52%
SaturdayChance Showers And Thunderstorms78° / 65° 53%
SundayChance Rain Showers81° / 63° 29%
MondayMostly Sunny81° / 61° 5%

Prosper Weather: Heat Index Hits 101, Air Quality Alert in Effect - Sep 18, 2 PM

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

An air quality alert is active for Prosper as temperatures soar near 99 degrees with heat indices reaching 101 today and tomorrow. Current conditions show a feels-like temperature of 95F.

Opal Fields

September 18, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 18, 2 PM local time.*

Current Conditions and Active Alerts

Residents in Prosper, TX, are currently navigating a combination of intense heat and an active air quality alert. As of this Friday afternoon, the air temperature stands at 93F, with a feels-like temperature of 95F due to humidity levels. The relative humidity is recorded at 39%, with a dew point of 64F.

Winds are blowing from the south-southeast at 10 mph, with gusts reaching up to 11 mph. The sky remains mostly clear overhead.

The National Weather Service has issued an Air Quality Alert for the area. While specific severity and urgency details are listed as unknown, this alert indicates that air quality conditions may pose health risks for sensitive groups or the general public during this period of high heat and stagnant air. Residents should monitor local updates for any changes to this advisory.

Forecast Overview: Today Through Tomorrow

Today is expected to be sunny with a high near 99F. Temperatures will likely fall slightly to around 97F in the afternoon. The heat index values are forecasted to reach as high as 101, making it feel significantly hotter than the actual air temperature.

Winds will remain light, from the south-southeast at 5 to 10 mph. There is a zero percent chance of precipitation tonight, with lows near 77F. Overnight, temperatures may rise slightly to around 79F, with heat index values up to 99.

Tomorrow brings similar conditions, with sunny skies and a high near 99F. The heat index will climb to approximately 100. Winds will shift to the south-southwest at 5 to 10 mph. Tomorrow night will be mostly clear with lows around 77F and temperatures rising to about 79F overnight. Heat index values will reach 98, with south winds around 10 mph.

Safety Reminders

Given the high heat indices and active air quality alert, it is crucial to stay hydrated and limit outdoor exertion during peak afternoon hours. Those sensitive to air pollution should consider reducing prolonged or heavy outdoor activities. Check on neighbors who may be vulnerable to extreme heat.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

Share

Opal Fields

Opal Fields covers weather, storms, and seasonal life around Prosper.

Related Stories

More in Sport