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5-day forecast / Plano, TX

SaturdayMostly Cloudy then Slight Chance Rain Showers61° / 47° 15%
SundayRain Showers51° / 44° 100%
MondayPartly Sunny57° / 45° 4%
TuesdaySunny64° / 48°
WednesdayMostly Sunny68° / 58° 1%

Humidity Lingers in Plano as Temperatures Climb Toward 93 - Jul 16, 8 PM

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

A dew point of 70F keeps the air muggy in Plano this evening. Showers are possible before 10pm tonight, followed by a hot, mostly sunny day tomorrow with heat indices reaching 100.

Lena Zimmer· AI-assisted, edited by Jake Team

July 17, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Jul 16, 8 PM local time.*

Current Conditions and Humidity

The air in Plano remains quite humid this evening, with a dew point of 70F and relative humidity at 62%. The current air temperature is 84F, but the heat index makes it feel like 88F. Winds are blowing from the south at 10 mph, with gusts reaching 18 mph. The sky is mostly cloudy, setting the stage for potential changes later in the night.

Tonight and Tomorrow Forecast

Tonight, there is a chance of showers and thunderstorms before 10pm. After that, conditions will become mostly cloudy. Temperatures will drop to a low near 75F, though they may rise slightly to around 77F during the overnight hours.

The chance of precipitation is 50%, with new rainfall amounts less than a tenth of an inch possible. Winds will ease to 5 to 10 mph from the south.

Tomorrow, the weather will shift to mostly sunny skies. Highs will climb near 93F, with temperatures falling slightly to around 91F in the afternoon. The heat index is expected to reach as high as 100. Winds will remain from the south at 5 to 10 mph, with gusts as high as 20 mph. The chance of precipitation drops significantly to just 9%.

Tomorrow night, skies will be partly cloudy with a low around 77F. The heat index will remain elevated, reaching as high as 99. Winds will continue from the south at 5 to 10 mph, with gusts up to 20 mph.

Safety and Preparedness

With no active National Weather Service or NOAA weather alerts in effect, residents can plan their days with the forecast in mind. However, the combination of high temperatures and humidity requires caution. It is important to stay hydrated and limit midday exertion when the heat index approaches 100.

Check on neighbors who may be vulnerable to the heat, and ensure pets have access to cool, shaded areas. While the chance of rain is low tomorrow, keeping an eye on the sky in the evening is wise given the earlier possibility of storms.

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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Lena Zimmer· AI-assisted, edited by Jake Team

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

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