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5-day forecast / Plano, TX

TodayMostly Sunny then Slight Chance Showers And Thunderstorms97° / 79° 23%
FridayMostly Sunny then Slight Chance Showers And Thunderstorms98° / 80° 17%
SaturdayMostly Sunny99° / 80° 13%
SundayChance Showers And Thunderstorms98° / 78° 25%
MondayMostly Sunny then Slight Chance Showers And Thunderstorms97° / 78° 22%

Plano Heat and Humidity Persist as Temperatures Climb Near 100

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

Plano residents face another day of intense heat and humidity with highs near 99F and a heat index reaching 102F. No severe weather alerts are currently active.

Lena Zimmer

July 1, 20262 min read

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

Current Conditions and Humidity

It is currently Wednesday overnight in Plano, TX, and the air remains thick with moisture. The current air temperature sits at 82F, but the heat index makes it feel like 88F. Relative humidity is holding at 74%, with a dew point of 73F indicating quite humid conditions. Winds are blowing from the south at 10 mph, with gusts reaching up to 16 mph. The sky is clear, offering no relief from the warmth.

Today and Tomorrow Forecast

Expect a hot and sunny day today. Highs will reach near 99F, with lows dropping to around 79F. The National Weather Service indicates a heat index as high as 102F during the day. There is only a 3% chance of precipitation, so skies will remain sunny. Winds will continue from the south around 10 mph, with gusts potentially hitting 20 mph.

Tonight, conditions will remain mostly clear. Lows will settle around 79F, though temperatures may rise to around 81F overnight. The heat index will stay elevated, reaching as high as 100F. Winds will shift slightly to south southeast, blowing between 5 to 15 mph.

Tomorrow will bring similar warmth. Expect sunny skies with a high near 98F. The heat index is forecast to climb as high as 103F, making it feel even hotter than the actual air temperature. Lows will again be near 79F. The chance of precipitation increases slightly to 13%, but rain is not expected to be widespread. Winds will be lighter, coming from the south southeast at 5 to 10 mph.

Safety and Alerts

There are no active National Weather Service or NOAA weather alerts in effect for this area. However, the combination of high temperatures and significant humidity poses health risks. Residents should hydrate frequently and limit midday exertion to avoid heat-related illnesses. Check on elderly neighbors and ensure pets have access to cool, shaded areas. While the sky is clear, the heat index values indicate that the perceived temperature is dangerously high. Stay indoors during the peak heat hours and seek air-conditioned spaces when possible.

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

Lena Zimmer covers weather, storms, and seasonal life around Plano.

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