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5-day forecast / Van Alstyne, TX

WednesdayScattered Showers And Thunderstorms92° / 71° 31%
ThursdayShowers And Thunderstorms80° / 68° 83%
FridayScattered Showers And Thunderstorms78° / 65° 53%
SaturdayScattered Showers And Thunderstorms76° / 63° 49%
SundayChance Rain Showers79° / 62° 28%

Flood Watch in Effect for Van Alstyne as Heat and Rain Approach - Sep 30, 2 PM

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

A severe Flood Watch is active for Van Alstyne, TX. Current conditions are hot and windy with a feels-like temperature of 96F. Heavy rain is expected through tomorrow.

Marlene Ortiz

September 30, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 30, 2 PM local time.*

Severe Weather Alert and Current Conditions

Residents in Van Alstyne, Texas, are under an active Flood Watch with severe severity and future urgency. This alert was issued by the National Weather Service in Fort Worth and remains in effect until October 2 at 7:00AM CDT. The watch indicates that flooding is possible due to significant rainfall totals expected over the coming days.

Right now, the atmosphere is heavy with moisture and heat. The air temperature stands at 90F, but the combination of humidity makes it feel like 96F. The dew point is sitting at 72F, contributing to a relative humidity of 56%.

Winds are strong, blowing from the south at 21 mph with gusts reaching 29 mph. The sky is mostly cloudy, adding to the oppressive feeling in the air.

Forecast for Today and Tomorrow

Today, the heat will persist with a high near 92F. The National Weather Service reports that isolated rain showers may occur before 4pm, followed by scattered showers and thunderstorms later in the day. Heat index values could reach as high as 99F.

South winds will continue to gust up to 30 mph. There is a 31% chance of precipitation, with new rainfall amounts between a tenth and a quarter of an inch possible.

Tonight, conditions will remain wet and warm. Scattered showers and thunderstorms are expected before 10pm, followed by more widespread rain. The low will drop to near 71F, though temperatures may rise slightly to around 73F overnight.

Winds will ease slightly to around 15 mph with gusts up to 25 mph. The chance of precipitation rises to 80%, with rainfall totals between three quarters and one inch possible.

Tomorrow brings a significant cooldown but heavy rain. Highs will fall to near 80F, with temperatures dropping further to around 78F in the afternoon. Showers and thunderstorms are likely before 4pm, followed by scattered storms later. Winds will shift to south-southeast at 10 to 15 mph. The chance of precipitation remains high at 83%, with new rainfall amounts between 1 and 2 inches possible.

Safety Reminders

Given the severe Flood Watch, residents should monitor local news for updates on rising water levels. With today's heat index nearing 99F, it is crucial to stay hydrated and limit time spent outdoors during peak afternoon hours. As rain increases tomorrow, avoid driving through flooded roadways and check on neighbors who may need assistance.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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Marlene Ortiz

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

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