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5-day forecast / Allen, TX

TuesdaySunny102° / 81°
WednesdaySunny101° / 82° 1%
ThursdayMostly Sunny101° / 82° 2%
FridayMostly Sunny102° / 82° 6%
SaturdaySunny100° / 77° 8%

Heat Advisory in Effect for Allen as Temperatures Climb to 98F - Jul 23, 4 AM

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

A Heat Advisory is active for Allen, TX, with highs near 98F and heat index values reaching 107F. Humidity remains high with a dew point of 70F.

Zane Lowery

July 23, 20262 min read

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

*As of Jul 23, 4 AM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Allen, Texas, signaling moderate severity and expected urgency. Residents should prepare for dangerously hot conditions as the region moves through the overnight hours on Thursday. The current air temperature stands at 79F, with a feels-like temperature of 80F.

Humidity levels are notably high, with relative humidity at 74% and a dew point of 70F. Winds are currently calm at 0 mph, though gusts have reached up to 14 mph. The sky remains clear, offering no relief from the impending heat.

Forecast for Today and Tomorrow

Today will be sunny with a high near 98F and a low near 78F. The chance of precipitation is minimal at 1%. According to the National Weather Service, heat index values are expected to reach as high as 105F during the day. Winds will shift to the east northeast at 10 to 15 mph, with gusts potentially hitting 25 mph.

Tonight, conditions will remain clear, with temperatures rising to around 80F overnight. The low will settle around 78F. Winds will ease to the east at around 5 mph. However, the heat will persist, with heat index values climbing to 106F. The overnight period will see temperatures rising to around 81F as the night progresses.

Tomorrow, the heat will continue with mostly sunny skies and a high near 97F. The chance of precipitation drops to 0%. Heat index values are forecast to reach 107F.

Winds will shift to the south southeast at 10 to 15 mph, with gusts up to 25 mph. Tomorrow night will be mostly clear, with a low around 80F and temperatures rising to around 82F. Winds will remain from the south at 10 to 15 mph with similar gust potential.

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 and those without air conditioning. Avoid prolonged exposure to the sun and seek air-conditioned environments when possible. The combination of high temperatures and humidity increases the risk of heat-related illnesses, so take precautions to stay cool and safe.

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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Zane Lowery

Zane Lowery covers weather, storms, and seasonal life around Allen.

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