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5-day forecast / Van Alstyne, TX

MondaySlight Chance Showers And Thunderstorms88° / 71° 19%
TuesdayMostly Sunny92° / 73° 11%
WednesdayMostly Cloudy then Chance Showers And Thunderstorms91° / 72° 45%
ThursdayShowers And Thunderstorms81° / 69° 88%
FridayChance Showers And Thunderstorms77° / 66° 72%

Humidity Lingers in Van Alstyne as Temps Climb Toward 92 - Sep 28, 2 PM

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

Van Alstyne residents face high humidity today with a dew point of 73F. Temperatures will rise to near 88F today and reach 92F tomorrow under mostly sunny skies.

Marlene Ortiz

September 28, 20261 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 28, 2 PM local time.*

Current Conditions

The air in Van Alstyne feels heavy this afternoon, driven by significant moisture levels. The current air temperature sits at 79F, but the heat index pushes the perceived temperature to 82F. Relative humidity is holding steady at 84%, with a dew point of 73F indicating a muggy atmosphere.

Winds are light, blowing from the southeast at 8 mph with gusts reaching 11 mph. The sky remains mainly clear overhead.

Forecast Overview

Conditions will remain warm and humid through the rest of today. A high near 88F is expected, followed by a low around 71F tonight. There is a slight chance for showers and thunderstorms, with precipitation odds at 19% for the day.

The National Weather Service notes a slight chance of these storms before 7pm tonight, accompanied by partly cloudy skies and southeast winds between 5 to 10 mph.

Tomorrow brings warmer temperatures under mostly sunny skies. The high will climb to near 92F, with heat index values reaching as high as 97F. Winds will shift to the south southeast, ranging from 5 to 15 mph, with gusts potentially hitting 25 mph. Precipitation chances drop to 11% for the day. Temperatures will settle to a low near 73F tomorrow night under partly cloudy conditions.

Safety Reminder

With humidity levels high and temperatures climbing toward the upper 80s and into the 90s, residents should prioritize hydration. Limit prolonged outdoor exertion during the warmest parts of the day. Keep an eye on how the heat index affects your comfort level, especially if you are spending time outside in the afternoon sun.

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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