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5-day forecast / Allen, TX

WednesdayScattered Showers And Thunderstorms93° / 73° 30%
ThursdayShowers And Thunderstorms80° / 70° 82%
FridayScattered Showers And Thunderstorms80° / 66° 52%
SaturdayScattered Showers And Thunderstorms78° / 65° 53%
SundayChance Rain Showers81° / 64° 29%

Allen Weather: Flood Watch Active Amid Humid, Stormy Conditions - Sep 30, 2 PM

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

A severe Flood Watch is in effect for Allen as scattered storms bring humidity and rain. Residents should monitor water levels and prepare for potential flooding through the weekend.

Zane Lowery

September 30, 20262 min read

National Weather Service radar for North Texas (KFWS)

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

Current Conditions and Immediate Outlook

A severe Flood Watch is currently active for the Allen area, signaling a heightened risk of flooding from heavy rainfall. As of this afternoon, the air temperature stands at 88 degrees Fahrenheit, though the heat index makes it feel like 94 degrees. The atmosphere is notably humid, with a dew point of 72 degrees and relative humidity at 59 percent.

Winds are blowing from the south at 14 miles per hour, with gusts reaching 29 miles per hour, under a mostly cloudy sky.

For the remainder of today, isolated rain showers are expected before 4 p.m., transitioning into scattered showers and thunderstorms. Temperatures will peak near 93 degrees before falling to around 91 degrees in the afternoon. The chance of precipitation is 30 percent, with new rainfall amounts likely to remain less than a tenth of an inch.

Winds will strengthen to 15-20 miles per hour, with gusts up to 30 miles per hour.

Tonight and Tomorrow

Tonight brings a significant increase in storm activity. Scattered showers and thunderstorms are expected before 1 a.m., followed by more widespread showers and thunderstorms. The low temperature will hover around 73 degrees, potentially rising to 75 degrees overnight.

The chance of precipitation jumps to 80 percent, with rainfall amounts between three-quarters and one inch possible. Winds will remain around 15 miles per hour, with gusts up to 30 miles per hour.

Tomorrow will be cooler and wetter, with a high near 80 degrees and a low around 70 degrees. Showers and thunderstorms are likely before 4 p.m., followed by scattered storms. The chance of precipitation is 80 percent, with rainfall amounts between one and two inches possible. Winds will shift to the south-southeast at 10-15 miles per hour, with gusts up to 25 miles per hour.

Safety Reminders

Given the active Flood Watch, residents should stay alert for rising water levels and avoid driving through flooded areas. The high humidity and heat index values, which can reach 100 degrees today, necessitate staying hydrated and limiting midday exertion. Monitor local updates for any changes to the alert status.

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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Zane Lowery

Zane Lowery covers weather, storms, and seasonal life around Allen.

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