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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%

Plano Heat Index Hits 104 Today With Slight Storm Chance - Aug 8, 12 PM

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

Temperatures in Plano are soaring to near 100F today with a heat index up to 104F. A slight chance of showers and thunderstorms exists before 7pm tonight.

Lena Zimmer· AI-assisted, edited by Jake Team

August 8, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Aug 8, 12 PM local time.*

Sweltering Conditions Continue

Plano is currently experiencing intense heat, with the air temperature at 93F and a feels-like reading of 99F. The relative humidity sits at 47%, while the dew point is recorded at 70F. Winds are light, blowing from the south at 6 mph with gusts reaching 6 mph under clear skies.

Today will be particularly hot, with highs near 100F. The National Weather Service indicates heat index values as high as 104F. There is a slight chance of showers and thunderstorms today, with a 20% chance of precipitation. South winds are expected to range from 5 to 10 mph.

Evening Outlook And Tomorrow

Tonight, conditions will remain warm with lows near 80F. Temperatures may rise slightly to around 82F overnight. The heat index could reach as high as 101F. A slight chance of showers and thunderstorms persists before 7pm, followed by partly cloudy skies. The chance of precipitation remains at 20%, with south winds continuing at 5 to 10 mph.

Tomorrow brings relief from the rain but not the heat. Skies will be sunny with a high near 98F. Heat index values are forecasted to reach 101F. South winds will persist at 5 to 10 mph. Tomorrow night will be clear, with lows around 80F and temperatures rising to about 82F overnight. The heat index may climb to 99F, with south winds around 10 mph.

Safety Reminder

With temperatures and heat indices remaining dangerously high, it is crucial to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on neighbors who may be vulnerable to extreme heat. Although there are no active weather alerts, the combination of high heat and humidity poses significant health risks.

Ensure you have access to air conditioning and drink plenty of water throughout the day.

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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