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5-day forecast / Princeton, TX

TuesdaySunny103° / 80° 1%
WednesdaySunny102° / 79° 1%
ThursdaySunny99° / 78° 1%
FridaySunny100° / 81°
SaturdayMostly Sunny100° / 80° 7%

Heat Advisory in Effect for Princeton as Temperatures Climb Toward 102F - Jul 20, 8 AM

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

A Heat Advisory is active for Princeton, TX, with oppressive humidity and highs nearing 102F. Current conditions show a dew point of 75F and clear skies.

Vera Yoder

July 20, 20262 min read

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

*As of Jul 20, 8 AM local time.*

Current Conditions and Alert Status

Princeton, TX, is currently under an active Heat Advisory issued by the National Weather Service. This moderate-severity alert, which is expected to remain in effect, highlights the dangerous combination of extreme heat and high humidity that residents are facing. The advisory serves as a critical warning for the region as temperatures soar.

Right now, the air temperature sits at 81F, but the oppressive humidity makes it feel like 86F. The relative humidity is at 84%, with a dew point of 75F, creating a muggy atmosphere. Winds are light, blowing at 3 mph with gusts reaching up to 8 mph, while the sky remains clear.

These conditions set the stage for a significant heat event over the next 48 hours.

Forecast for Today and Tomorrow

Today, Princeton will experience sunny skies with a high near 99F. The National Weather Service indicates that heat index values could reach as high as 107F. Winds will shift to a south southwest direction at around 5 mph. The chance of precipitation is minimal at just 1%.

Tonight, the sky will remain clear. Temperatures will drop to a low near 78F, though they are expected to rise to around 80F during the overnight hours. Heat index values may still reach 104F. Winds will continue from the south at approximately 5 mph.

Tomorrow, the heat will intensify further. Expect sunny conditions with a high near 102F. Heat index values are forecast to climb to 108F. Winds will shift to the west southwest at around 5 mph. There is no chance of precipitation, with the probability at 0%.

Safety Reminders

Given the active Heat Advisory and the forecasted heat indices exceeding 100F, it is essential to take precautions. Stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

Check on elderly neighbors and those who may be vulnerable to heat-related illnesses. If you must be outside, seek air-conditioned spaces whenever possible and wear lightweight, light-colored clothing to help manage the oppressive humidity and rising temperatures.

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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Vera Yoder

Vera Yoder covers weather, storms, and seasonal life around Princeton.

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