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5-day forecast / Van Alstyne, TX

SaturdaySunny97° / 77° 1%
SundaySlight Chance Showers And Thunderstorms95° / 73° 42%
MondaySlight Chance Showers And Thunderstorms91° / 73° 40%
TuesdayMostly Sunny then Slight Chance Showers And Thunderstorms90° / 72° 18%
WednesdayMostly Sunny then Slight Chance Showers And Thunderstorms91° / 74° 18%

Humid Start in Van Alstyne as Heat Index Climbs Toward 105 - Jul 11, 8 AM

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

Van Alstyne faces high humidity and rising heat today with a dew point of 73F. Tomorrow brings a slight chance of showers and thunderstorms as temperatures remain warm.

Marlene Ortiz

July 11, 20262 min read

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

*As of Jul 11, 8 AM local time.*

Current Conditions and Humidity

It is currently Saturday this morning in Van Alstyne, TX, where the air is notably humid. The current air temperature sits at 81F, but the combination of moisture and heat makes it feel like 85F. Relative humidity is at 79%, with a dew point of 73F indicating significant moisture in the air. Winds are blowing from the south southwest at 11 mph, with gusts reaching up to 19 mph. The sky remains clear at this hour.

Today and Tonight Forecast

Today, the sun will dominate the sky, bringing a high near 97F. The heat index is expected to climb as high as 104, making it feel significantly hotter than the actual air temperature. Overnight, conditions will become mostly clear. Temperatures will drop to a low near 77F, though they may rise slightly to around 79F during the night. The heat index will remain elevated, reaching up to 102. Winds will shift to the south and ease to between 5 and 10 mph. There is only a 1% chance of precipitation today.

Tomorrow Outlook

Tomorrow, the weather pattern shifts slightly with a high near 95F. The heat index could peak at 105, so staying cool is essential. A slight chance of showers and thunderstorms is possible between 7am and 1pm, followed by a chance of showers and thunderstorms from 1pm to 4pm. After that, showers and thunderstorms remain a possibility. The sky will be mostly sunny, with temperatures falling to around 93F in the afternoon. Winds will be light, ranging from 0 to 5 mph from the south. The chance of precipitation is 42%, with new rainfall amounts less than a tenth of an inch possible.

Safety Reminder

With heat index values reaching into the mid-100s, it is crucial to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly, to ensure they are safe in the heat. While there are no active weather alerts, the humidity and heat require caution.

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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Marlene Ortiz

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

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