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5-day forecast / Prosper, TX

FridaySlight Chance Rain Showers then Sunny96° / 77° 10%
SaturdaySunny98° / 77° 3%
SundaySunny99° / 78° 8%
MondaySunny100° / 79° 1%
TuesdaySunny99° / 79° 1%

Extreme Heat Warning in Effect for Prosper as Temperatures Soar - Jul 21, 4 AM

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

An Extreme Heat Warning is active for Prosper, TX, with highs near 104F and heat index values reaching 113F. Current conditions are hot and humid.

Opal Fields

July 21, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Jul 21, 4 AM local time.*

Current Conditions and Alert Status

An Extreme Heat Warning is currently in effect for Prosper, Texas. This severe alert indicates dangerous heat conditions that pose significant risks to health and safety. The warning is active now, as it is currently Tuesday overnight, and remains in place until the evening of July 21.

Right now, the air temperature stands at 77F, with a feels-like temperature of 78F. Humidity levels are quite high, with relative humidity at 78% and a dew point of 70F. The sky is clear, and winds are calm at 0 mph, though gusts have reached up to 14 mph. Residents should be aware that the combination of high temperatures and humidity creates a hazardous environment.

Forecast for Today and Tomorrow

Today, Prosper will experience sunny skies with a high near 104F. The National Weather Service reports that heat index values will climb as high as 113F. Winds will be light, coming from the west northwest at 0 to 5 mph.

The chance of precipitation is minimal at just 1%. Overnight, temperatures will drop to a low around 80F, though they may rise to around 82F later in the night. Winds will shift to the south southwest at around 5 mph.

Tomorrow, the heat will persist with sunny skies and a high near 103F. Heat index values are expected to reach 112F. Winds will increase slightly, blowing from the northeast at 5 to 10 mph.

There is no chance of precipitation. Overnight into tomorrow night, skies will become mostly clear with a low around 80F, rising to around 82F later. Winds will shift to the east at around 10 mph.

Safety Reminders

Given the Extreme Heat Warning and the forecasted heat index values exceeding 110F, it is critical to take precautions. Stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

Seek air-conditioned environments whenever possible. Check on neighbors, particularly the elderly and those without access to cooling, to ensure their safety during this severe heat event.

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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