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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, 4 AM

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

A Heat Advisory is active for Princeton, TX, with heat index values reaching 108F tomorrow. Current conditions are humid with a dew point of 73F.

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, 4 AM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Princeton, Texas, signaling significant heat stress potential for the region. The advisory carries a moderate severity rating and is expected to remain active through the upcoming evening hours. Residents should take this warning seriously as temperatures rise.

Right now, the air temperature stands at 81F, but the combination of heat and moisture makes it feel like 85F. Humidity levels are notably high, with relative humidity at 79% and a dew point of 73F. The sky remains clear, and winds are light at 6 mph, with gusts reaching up to 11 mph.

Forecast for Today and Tomorrow

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

Overnight, conditions will remain clear. Temperatures will drop to a low around 77F, though they may rise slightly to around 79F later in the night. Winds will shift to the south southwest at around 5 mph.

Tomorrow, the heat will intensify further. Expect another sunny day with a high near 102F. The heat index is forecast to reach as high as 108F, creating dangerous conditions for prolonged outdoor exposure. Winds will come from the west southwest at around 5 mph. There is no chance of precipitation, listed at 0%.

Safety Reminders

With heat index values approaching 108F, it is crucial to stay cool and hydrated. Limit outdoor exertion, especially during the midday and afternoon hours when the sun is strongest. Drink plenty of water even if you do not feel thirsty.

Check on elderly neighbors or those without air conditioning to ensure their safety. If you must be outside, seek shade frequently and wear lightweight, light-colored clothing to help manage the extreme heat.

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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