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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 to 105 - Jul 11, 4 AM

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

Van Alstyne wakes up with a dew point of 72F and clear skies. Today brings a high near 97F with a heat index up to 104. Tomorrow sees a slight chance of storms and a high near 95F.

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, 4 AM local time.*

Current Conditions and Humidity

It is currently Saturday overnight in Van Alstyne, TX. The air is quite humid, with a dew point of 72F and a relative humidity of 70%. The current air temperature is 82F, but it feels like 87F due to the moisture in the air. Winds are blowing at 6 mph with gusts reaching 22 mph. The sky remains clear at this hour.

Today and Tonight Forecast

Today will be sunny with a high near 97F. The low will drop to around 77F tonight. The National Weather Service indicates heat index values as high as 104 during the day. South southwest winds will range from 5 to 10 mph. The chance of precipitation is just 1%.

Tonight, conditions will remain clear with a low around 77F. Temperatures may rise slightly to around 79F overnight. South winds will persist at 5 to 10 mph. Heat index values could reach as high as 102. Residents should stay hydrated and limit midday exertion given the high heat index values.

Tomorrow Outlook

Tomorrow, the high will be near 95F, with temperatures falling to around 93F in the afternoon. The low will be near 73F. 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 sky will be mostly sunny. Heat index values may reach 105. South winds will be light, from 0 to 5 mph. The chance of precipitation is 42%, with new rainfall amounts less than a tenth of an inch possible.

Safety and Alerts

There are no active NWS or NOAA weather alerts in effect for Van Alstyne. While the heat index values are high, the lack of severe weather alerts means conditions are manageable with standard precautions. Please hydrate frequently and check on neighbors who may be vulnerable to the heat. Enjoy the clear skies tonight before the slight chance of storms arrives tomorrow.

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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