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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%

Van Alstyne Heat Index Hits 104 Today With Humid Conditions - Jul 11, 12 PM

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

Van Alstyne faces intense heat today with a high near 97F and heat index values up to 104. Humidity remains high with a dew point of 72F. No severe weather alerts are active.

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, 12 PM local time.*

Current Conditions and Heat Index

Van Alstyne is experiencing very hot conditions this Saturday afternoon. The air temperature is currently 90F, but the heat index makes it feel like 96F. Humidity levels are quite high, with a dew point of 72F and relative humidity at 56%. Winds are blowing from the south at 8 mph, with gusts reaching 14 mph. The sky remains clear overhead.

Today and Tonight Forecast

The National Weather Service forecasts a sunny day today with a high near 97F. Heat index values are expected to climb as high as 104 during the peak heat. South winds will average around 10 mph. The chance of precipitation is minimal at just 1%.

As evening approaches, skies will become mostly clear. Temperatures will drop to a low near 77F, though they may rise slightly to around 79F overnight. Heat index values will remain elevated, reaching up to 102. South winds will decrease to 5 to 10 mph.

Tomorrow Outlook

Conditions will remain hot tomorrow with a high near 95F. The heat index is forecast to reach as high as 105. Temperatures may fall slightly to around 93F in the afternoon. Winds will be light, ranging from 0 to 5 mph.

Precipitation chances increase tomorrow. There is a slight chance of showers and thunderstorms between 7am and 1pm, followed by a chance of showers and thunderstorms between 1pm and 4pm. The overall chance of precipitation is 42%, with new rainfall amounts less than a tenth of an inch possible. Skies will be mostly sunny.

Safety and Alerts

There are no active National Weather Service or NOAA weather alerts for Van Alstyne at this time. However, the combination of high temperatures and humidity requires caution. Residents should stay hydrated and limit midday exertion to avoid heat-related illness. Check on neighbors and vulnerable individuals who may be less able to cope with the heat. Keep an eye on the forecast for tomorrow as the slight chance of storms develops.

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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