Back to Weather

5-day forecast / Van Alstyne, TX

TodayMostly Sunny94° / 76°
FridayShowers And Thunderstorms Likely86° / 73° 68%
SaturdayShowers And Thunderstorms Likely88° / 75° 57%
SundayMostly Sunny94° / 75° 2%
MondayChance Showers And Thunderstorms87° / 72° 47%

Heat Advisory in Effect for Van Alstyne as Temperatures Soar

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

A Heat Advisory is active for Van Alstyne, TX, with highs near 94F and heat index values up to 106F. Humidity remains high tonight before showers arrive tomorrow.

Marlene Ortiz

June 18, 20262 min read

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

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Van Alstyne, Texas, signaling moderate severity and expected urgency. The National Weather Service has issued this advisory to warn residents of dangerous heat levels. As of Thursday overnight, the air temperature stands at 75F, with a feels-like temperature of 77F. Conditions are quite humid, with relative humidity at 94% and a dew point of 73F. Winds are light at 5 mph with gusts reaching 12 mph, and the sky remains clear.

Today and Tonight Forecast

Today, Van Alstyne will experience mostly sunny skies with a high near 94F. The heat index is expected to reach as high as 106F, making it feel significantly hotter than the actual air temperature. Southeast winds will blow around 10 mph. The chance of precipitation is minimal at 1%, with a low near 75F expected.

Tonight, conditions will shift. Partly cloudy skies will give way to mostly cloudy skies after 10pm, when showers and thunderstorms become likely. The low will drop to around 75F, though the heat index may still reach 103F earlier in the evening. South winds will increase to around 10 mph. There is a 70% chance of precipitation, with new rainfall amounts between a quarter and half of an inch possible.

Tomorrow Outlook

Tomorrow, the region will remain under the influence of unsettled weather. Showers and thunderstorms are likely throughout the day under mostly cloudy skies. Highs will cool down to near 86F. The chance of precipitation remains high at 70%, with new rainfall amounts between a half and three quarters of an inch possible. East northeast winds will persist at 5 to 10 mph. Lows will settle near 73F. As temperatures rise today, it is crucial to stay hydrated and limit midday exertion to avoid heat-related illnesses.

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

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

Share

Marlene Ortiz

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

Related Stories