San Marcos Mercury | Local News from San Marcos and Hays County, Texas



5:50 a.m. WEDNESDAY, JAN. 9: A flash flood watch remains in effect in Hays County as a deep low pressure system moving northeastward from Mexico is expected to keep the rain falling through the day.

The National Weather Service issued the watch at 3:58 a.m. Wednesday for Hays and six other central and south Texas counties: Atascosa, Bexar, Comal, Guadalupe, Karnes and Wilson. Caldwell County is not included in the latest advisory. The flash flood watch remains in effect through this afternoon.

The weather service says the region can expect two to six inches of rain today.

Seventeen of 18 monitored low-water crossings in Hays County remained passable as of 6 a.m. The Wayside Drive (CR 179) remains closed. Hays County emergency management officials reported no other road closures on their website.


12:30 a.m. WEDNESDAY, JAN 9: The National Weather Service meteorologists this evening said Hays and Caldwell counties, along with 31 other counties in central and south Texas, should brace for flash floods caused by thunderstorms, possibly accompanied by hail.

A system of thunderstorms moving northward through the region is projected to drop three to six inches of rainfall through between now and noon Wednesday, according to the service’s hazardous weather outlook notice. The storms could bring marble- to nickel-size hail.

“The storms could intensify late tonight as a squall line develops over south central Texas,” the advisory states. A squall line is a line of severe thunderstorms that often ushers in a cold front.

Locals are warned to watch for flash flooding especially at the 18 low-water crossings in Hays County. As of midnight 17 of the crossings remained opened. The Wayside Drive crossing at the Blanco River southwest of Wimberley is already impassable.

A warning system maintained by Hays County provides real-time data on low-water crossing closures online. The Mercury will report on road closures as the information becomes available from Hays and Caldwell county officials.

Today’s forecast

Hourly weather outlook from Accuweather, the Mercury's weather partner, as of noon Wednesday, Jan. 9. CLICK TO VISIT THE MERCURY'S WEATHER PAGE

Hourly weather outlook from Accuweather, the Mercury’s weather partner, as of noon Wednesday, Jan. 9. CLICK TO VISIT THE MERCURY’S WEATHER PAGE

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