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5-day forecast / Van Alstyne, TX

MondaySunny103° / 78° 2%
TuesdaySunny101° / 79°
WednesdaySunny101° / 78° 1%
ThursdaySunny101° / 77° 7%
FridaySunny99° / 75° 7%

Van Alstyne Heat Index Nears 102°F as Temps Climb - Aug 9, 1 PM

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

Van Alstyne, TX, faces a very hot Sunday with current feels-like temperatures of 99°F. Highs near 97°F today and 98°F tomorrow will bring heat indices up to 102°F.

Marlene Ortiz

August 9, 20261 min read

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

*As of Aug 9, 1 PM local time.*

Intense Heat Arrives in Van Alstyne

Van Alstyne, TX, is currently experiencing very hot conditions this Sunday afternoon. The air temperature stands at 93F, but the combination of heat and humidity makes it feel like 99F. Relative humidity is at 47%, with a dew point of 70F indicating quite humid air. Winds are light, blowing from the south southwest at 7 mph with gusts reaching 8 mph, under clear skies.

Today will see high temperatures near 97F, with lows dropping to around 76F. The National Weather Service forecasts sunny skies and a chance of precipitation of just 1%. Heat index values are expected to reach as high as 101F during the day. South southwest winds will range from 5 to 10 mph.

Outlook for Tonight and Tomorrow

Temperatures will remain elevated overnight. Clear skies are expected tonight, with a low around 76F. However, temperatures may rise to around 78F later in the night. Heat index values could hit 100F even after dark. South winds will average around 10 mph.

Tomorrow continues the hot trend with sunny skies and a high near 98F. The low will be around 77F, with temperatures rising to approximately 79F overnight. Heat index values are projected to reach as high as 102F. South winds will persist at around 10 mph, shifting to south southeast with speeds of 10 to 15 mph later.

There are no active National Weather Service or NOAA weather alerts in effect for this area. Residents should remain vigilant regarding the heat. Hydrate frequently and limit midday exertion to avoid heat-related illnesses. Check on neighbors and vulnerable individuals, especially during the peak heat hours when temperatures and heat indices are highest.

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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