What you need to know about Austin weather Thursday: flooding updates

What you need to know about Austin weather Thursday: flooding updates


A noisy, lightning-filled band of storms slowly crawled across Central Texas late Wednesday into the wee hours of Thursday, dumping 2 to 5 inches of rain along the Interstate 35 corridor.

The storms as of 7:45 a.m. were pushing farther southeast, away from the Austin area but parts of Hays and Caldwell counties remained under a flash flood warning until 8:45 a.m. Thursday, according to the National Weather Service.

During a flood warning, flooding is imminent or occurring in the warning area and residents should take action to protect life and property, forecasters said.

More: Hays school district on a two-hour delay Thursday morning after heavy rainfall, flooding

According to rain gauges monitored by the Lower Colorado River Authority, some of the highest rainfall totals as of 7:45 a.m. found that in the past 24 hours:

  • 5.03 inches of rain fell southeast of Driftwood in northern Hays County
  • 4.8 inches of rain recorded along the Blanco River in Hays County near Kyle
  • 4.57 inches of rain along Walnut Creek near Rockne in southwest Bastrop County
  • 4.29 inches of rain in Cedar Creek in western Bastrop County
  • 4.09 inches of rain along Dry Creek in eastern Travis County near Elroy
  • 3.76 inches of rain in southern Travis County along Slaughter Creek near Brodie Lane 
  • 3.49 inches of rain in Lago Vista on the north shore of Lake Travis in western Travis County

A quick scan of Atxfloods.com shows as many as 128 low water crossings remain closed Thursday morning in the five-county Austin metro area, including those on Spicewood Springs Road in Northwest Austin and dozens in northern Caldwell County.

The good news is that the Austin area is unlikely to see any more heavy rainfall on Thursday. The weather service outlook for Thursday in Austin calls for only a 20% percent chance of showers, which have likely already happened.

Otherwise, we can expect skies to gradually becoming mostly sunny with temperatures reaching a seasonable high of 84 degrees. Humid east-southeast winds of 5 to 10 mph will become drier west-northwest breezes, forecasters said.

At night, skies will grow cloudier but they will help keep overnight temperatures above 71 degrees.


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