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5-day forecast / Prosper, TX

TuesdaySunny104° / 80° 1%
WednesdaySunny103° / 80°
ThursdaySunny99° / 80°
FridaySunny102° / 83°
SaturdayMostly Sunny101° / 83° 6%

Prosper Heat Index Hits 106 Today With Late Storms Possible - Jul 4, 12 PM

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

Temperatures soar near 98F in Prosper with a heat index up to 106. A slight chance of showers and thunderstorms develops late today and tomorrow.

Opal Fields

July 4, 20262 min read

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

As of Jul 4, 12 PM local time.

Current Conditions and Heat

It is currently Saturday afternoon in Prosper, TX, where the heat is already intense. The air temperature stands at 91F, but the combination of heat and humidity makes it feel like 97F. The relative humidity is at 49%, with a dew point of 70F, creating a muggy atmosphere despite the clear sky.

Winds are light, blowing from the south southwest at 5 mph with gusts reaching 8 mph.

Today and Tonight Forecast

Highs today will reach near 98F, with heat index values climbing as high as 106. Residents should take extreme caution during the peak heat hours. There is a slight chance of showers and thunderstorms developing after 4pm.

As evening approaches, the sky will turn partly cloudy. Lows will settle near 80F, though temperatures may rise to around 82F overnight. The heat index will remain elevated at up to 104.

Winds will shift to the south southeast, increasing slightly to 5 to 10 mph. There is a slight chance of showers and thunderstorms before 7pm.

Tomorrow Outlook

Temperatures will climb further tomorrow, with highs near 100F. The heat index is expected to hit 106 again. The sky will be mostly sunny initially, but conditions will change later in the day.

A chance of showers and thunderstorms is expected after 4pm. Lows will drop to around 78F, potentially rising to 80F overnight. The heat index will stay high at 104.

Winds will come from the south and southeast at 5 to 10 mph. The chance of precipitation is 30%, with new rainfall amounts less than a tenth of an inch possible. There are no active National Weather Service or NOAA weather alerts in effect for this area.

Safety Reminder

With heat indices exceeding 100F, staying hydrated is critical. Limit outdoor exertion during the hottest parts of the day and check on elderly neighbors or those without air conditioning. If storms develop, seek shelter indoors immediately.

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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Opal Fields

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

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