The Washington Post' obtained messages from a National Weather Service meteorologist warning Kerr County officials about potential flash flooding beginning at 1 a.m. on July 4

"It's not community to community. It's a national system," Sen. Maria Cantwell said on "Face the Nation with Margaret Brennan."

As search and recovery efforts continue following the deadly floods, NWS warns of isolated flash floods due to the possibility of heavy rain this weekend.⛈️

Flood watch in effect for Texas Hill Country, National Weather Service office says The hard-hit Texas Hill Country has a flood watch in effect through the evening of July 13, according to the National Weather Service office serving Austin and San Antonio.

Experts said warnings issued in the run-up to this weekend’s flooding were as timely and accurate as possible, but questions about whether the alerts reached people most at risk remain.

Key positions at National Weather Service offices across Texas are vacant, sowing doubt over the state’s ability to respond to natural disasters as rescuers comb through the flood-ravaged Hill Country.

Some experts say staff shortages might have complicated forecasters’ ability to coordinate responses with local emergency management officials.

NWS says Flash Flood Warnings were issued on July 3 and early July 4 in Central Texas, giving more than three hours of warning.