Flash flooding, severe storms possible with overnight storms

Flash flood, severe t-storm watches in effect through Tuesday morning

SAN ANTONIOAbove is a live look at Doppler radar across South Texas

11 P.M. UPDATE: The NWS has extended the severe thunderstorm watch to include Bexar County. The watch remains in effect until 7 a.m.

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Other counties included in the watch are: Comal, Guadalupe, Bandera, Kerr, Real, Kimble, Edwards, Val Verde and Kendall.

2:45 P.M. UPDATE: The NWS has issued a severe thunderstorm watch for portions of the Texas Hill Country until 11 p.m. Counties included in the watch are: Comal, Kendall, Blanco, Gillespie, Kerr, Bandera, Real and Edwards.

ORIGINAL

A cold front will drape across South Texas late Monday afternoon, sinking further south throughout the night and drenching the area with between 2 and 4 inches of rain.

Isolated totals could reach up to 7 inches in some areas, and there is a slight risk for wind gusts up to 60 mph and isolated pockets of hail.

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The National Weather Service has issued a flash flood watch from 4 p.m. Monday through Tuesday morning for Bexar County and the following counties:

Atascosa, Bandera, Blanco, Caldwell, Comal, Fayette, Frio, Gillespie, Gonzales, Guadalupe, Hays, Kendall, Kerr, Medina, Real, Uvalde, Wilson and Zavala.

Small streams, creeks, low water crossings, and some rivers may experience dangerous flash flooding. Never drive across a road covered by water.

KSAT Meteorologist Adam Caskey said a flash flood watch means conditions are favorable for flash flooding, but it's not happening at the moment. A warning means it's actually occurring. 

REMEMBER: Turn around, don't drown!

Tuesday morning, Adam Caskey said there is still a possibility of rain, and the primary threat will be residual flash flooding in the early morning. 

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About the Authors:

Adam Caskey has been a meteorologist with KSAT's Weather Authority team since April 2014. He previously worked in North Dakota and Washington, D.C., where he earned the "Certified Broadcast Meteorologist" designation by the American Meteorological Association. A native Minnesotan, Adam loves to fish and enjoys the outdoors.