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5-day forecast / Van Alstyne, TX

TodayPatchy Fog then Mostly Sunny86° / 72° 2%
WednesdayMostly Sunny91° / 75°
ThursdayMostly Sunny93° / 74° 4%
FridayChance Showers And Thunderstorms88° / 74° 53%
SaturdayChance Showers And Thunderstorms90° / 77° 35%

Humidity Lingers in Van Alstyne as Temperatures Climb Toward 91

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

Van Alstyne residents face high humidity today with a dew point of 70F. Conditions clear for tomorrow, where highs near 91F and heat indices up to 101F will require caution.

Marlene Ortiz

June 16, 20262 min read

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

Current Conditions and Humidity

The air in Van Alstyne, TX, remains quite heavy with moisture this morning. Current readings show an air temperature of 73F, though the feels-like temperature sits higher at 75F due to the dampness. Relative humidity is at 89%, with a dew point of 70F, indicating a muggy atmosphere. The sky is currently cloudy, and winds are light at 6 mph, with gusts reaching 4 mph.

Today and Tonight Forecast

Conditions are expected to improve as the day progresses. Patchy fog may linger before 10am, but the sky will clear to become mostly sunny. Temperatures will rise to a high near 86F. The chance of precipitation is minimal at just 2%. Winds will shift to the east southeast, blowing between 0 to 5 mph.

As evening sets in, skies will turn partly cloudy. Temperatures will drop to a low near 72F, though they may rise slightly to around 74F during the overnight hours. Winds will shift to the south southeast, picking up slightly to 5 to 10 mph.

Tomorrow Outlook and Safety

Tomorrow brings significantly warmer and windier conditions. The sky will remain mostly sunny with a high near 91F. The National Weather Service notes that heat index values could reach as high as 101. Winds will increase to the south, blowing between 10 to 20 mph, with gusts as high as 30 mph.

Overnight tomorrow, skies will be partly cloudy with a low around 75F. Heat index values may remain elevated at 98. Winds will continue from the south southeast at 10 to 20 mph, with gusts up to 30 mph.

With temperatures climbing toward 91F and heat indices exceeding 100F, residents should take precautions against the heat. Stay hydrated and limit prolonged outdoor exertion during the hottest parts of the day. Keep an eye on the increasing wind speeds tomorrow, which may create blowing dust or debris. There are no active weather alerts at this time, but the combination of heat and wind warrants attention.

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

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Marlene Ortiz

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

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