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5-day forecast / Princeton, TX

WednesdaySunny101° / 77° 2%
ThursdaySunny97° / 77°
FridaySunny99° / 80° 1%
SaturdayMostly Sunny100° / 81° 6%
SundaySunny101° / 81°

Princeton, TX: Extreme Heat Warning and Air Quality Alert in Effect - Jul 21, 4 PM

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

An Extreme Heat Warning and Air Quality Alert are active for Princeton, TX. Current temperatures feel like 105F with dangerous heat index values expected to reach 113 today.

Vera Yoder

July 21, 20262 min read

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

*As of Jul 21, 4 PM local time.*

Dangerous Heat and Air Quality Concerns

Princeton, TX, is currently under the influence of severe weather conditions. An Extreme Heat Warning with severe severity is in effect, alongside an Air Quality Alert. These alerts highlight the immediate risks posed by the current atmospheric conditions.

At this moment, the air temperature stands at 100F, but the heat index makes it feel like 105F. The relative humidity is at 33%, with a dew point of 66F. Winds are currently calm at 0 mph, though gusts may reach 10 mph.

The sky remains clear overhead.

Forecast for Today and Tomorrow

Today, Princeton will experience sunny skies with a high near 103F. The National Weather Service indicates heat index values could climb as high as 113. Winds will be from the east northeast around 5 mph.

Tonight, conditions will clear with a low around 81F. Temperatures may rise to approximately 83F overnight. The heat index is expected to remain high, reaching up to 110.

Winds will shift to the east at 0 to 5 mph.

Tomorrow, the region will see continued sunny weather with a high near 101F. Heat index values are forecast to reach 111. Winds will increase slightly, coming from the northeast at 5 to 10 mph.

Tomorrow night will be clear with a low around 77F. Temperatures may rise to around 79F overnight. The heat index could hit 109, with east northeast winds at 5 to 10 mph.

The chance of precipitation is negligible, at 0% today and 2% tomorrow.

Safety Reminders

Given the Extreme Heat Warning, residents must take immediate precautions. The combination of high temperatures and humidity creates dangerous heat index values. It is critical to stay hydrated and limit any outdoor exertion, especially during the midday hours when heat is most intense.

Check on neighbors, particularly the elderly or those without air conditioning. Additionally, due to the active Air Quality Alert, individuals with respiratory sensitivities should monitor their health and consider limiting time outdoors if symptoms arise. Always follow local guidance and stay informed as conditions evolve.

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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