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5-day forecast / Van Alstyne, TX

TuesdaySunny91° / 72° 1%
WednesdayMostly Sunny93° / 70° 3%
ThursdayMostly Sunny91° / 66°
FridayMostly Sunny90° / 68°
SaturdayPartly Sunny93° / 71° 3%

Dangerous Heat Index Hits 101 in Van Alstyne as Humidity Rises - Sep 22, 2 PM

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

Van Alstyne residents face dangerous heat conditions this afternoon with a feels-like temperature of 101F. Humidity levels are elevated, creating stifling conditions under mostly clear skies.

Marlene Ortiz

September 22, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 22, 2 PM local time.*

Current Conditions and Heat Safety

It is currently Tuesday this afternoon in Van Alstyne, TX, where the air temperature stands at 95F. However, the heat index makes it feel significantly hotter, reaching 101F. This dangerous combination of high temperature and humidity creates a hazardous environment for outdoor activities.

The relative humidity is currently at 44%, with a dew point of 70F, indicating quite humid air that traps heat close to the ground.

Sky conditions are mostly clear, allowing full solar intensity to drive these elevated temperatures. Winds are light, blowing from the north northeast at 8 mph with gusts up to 8 mph. While the breeze is gentle, it is not strong enough to significantly mitigate the oppressive heat.

Residents should prioritize hydration and limit midday exertion to avoid heat-related illnesses. It is critical to check on elderly neighbors and ensure pets have access to cool, shaded areas.

Forecast for Today and Tomorrow

Looking ahead, today will remain sunny with a high near 91F. The low tonight is expected to drop to around 72F. During the overnight hours, temperatures may rise slightly to around 74F. Winds will shift to the northeast at 5 to 10 mph, keeping skies mostly clear.

Tomorrow brings another warm day with mostly sunny skies and a high near 93F. The heat index is forecast to reach values as high as 99F, maintaining hazardous conditions. Winds will come from the east northeast around 10 mph.

The low for tomorrow night is near 70F, with temperatures rising to around 72F overnight under mostly cloudy skies. East winds of 5 to 10 mph are expected.

There are no active National Weather Service or NOAA weather alerts in effect for this area. Despite the lack of official warnings, the current heat index values warrant caution. Please continue to monitor local conditions and stay safe during these hot days.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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Marlene Ortiz

Marlene Ortiz covers weather, storms, and seasonal life across Van Alstyne and Grayson County.

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