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5-day forecast / Frisco, TX

TodayMostly Sunny92° / 76° 3%
MondaySlight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms95° / 78° 25%
TuesdaySlight Chance Showers And Thunderstorms then Mostly Sunny95° / 79° 16%
WednesdaySlight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms95° / 77° 29%
ThursdayChance Showers And Thunderstorms then Mostly Sunny95° / 78° 30%

Heat Advisory in Effect for Frisco as Humidity Peaks at 94%

Frisco weather, refreshed every four hours — local forecasts you can plan your day around.

A Heat Advisory is active for Frisco, TX, with oppressive humidity and a dew point of 75F. Temperatures will reach 96F today before showers arrive tonight.

Camille Rourke

June 18, 20262 min read

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

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Frisco, Texas, signaling moderate severity and expected urgency. The National Weather Service has issued this alert to warn residents of dangerous heat index values. Right now, the air temperature stands at 77F, but the feels-like temperature is 79F due to the heavy moisture in the air. The relative humidity is at 94%, creating an oppressively humid environment with a dew point of 75F. Winds are blowing from the southeast at 9 mph, with gusts reaching up to 19 mph. The sky remains clear at this moment, but the muggy conditions are already noticeable.

Today and Tonight Forecast

Today, Frisco will see mostly sunny skies with a high near 96F. The heat index is expected to climb as high as 107, making it feel significantly hotter than the actual air temperature. Southeast winds will continue at 10 to 15 mph. Despite the heat, the chance of precipitation is only 1% during the day.

As evening approaches, conditions will shift. Tonight will be mostly cloudy with a low around 78F. Showers and thunderstorms become likely after 10pm. The heat index will remain high, reaching up to 106. East winds will pick up slightly to 10 to 15 mph. The chance of precipitation rises to 70%, with new rainfall amounts between a quarter and half of an inch possible. Residents should prepare for wet conditions as the night progresses.

Tomorrow Outlook

Tomorrow, the area will remain mostly cloudy with a high near 90F. Showers and thunderstorms are likely throughout the day, with a 70% chance of precipitation. East winds will hover around 10 mph. Similar to tonight, new rainfall amounts between a quarter and half of an inch are possible.

As tomorrow night falls, the chance of rain remains at 70%, with lows around 75F. Winds will ease to 5 to 10 mph from the east-southeast. Rainfall totals may increase, with new amounts between three quarters and one inch possible.

Safety Reminders

Given the active Heat Advisory and high heat index values, it is crucial to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly, who may be more vulnerable to heat-related illnesses. As storms approach tonight and tomorrow, be prepared for wet roads and reduced visibility.

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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Camille Rourke

Camille Rourke covers community life, events, and neighborhood features around Frisco.

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