Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.

FFWHGX The National Weather Service in League City has extended the * Flash Flood Warning for... Southeastern Grimes County in southeastern Texas... Western Montgomery County in southeastern Texas... South Central Walker County in southeastern Texas... Northeastern Waller County in southeastern Texas... * Until 130 PM CDT. * At 1155 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 4 and 8 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Conroe, Willis, Pinehurst, The Woodlands, Panorama Village, Magnolia, Cut And Shoot, New Waverly, Montgomery, Stagecoach, Todd Mission, Lake Conroe Dam, Dobbin, Dacus, Plantersville and Richards. This includes the following Low Water Crossings... County Road 202 at Hurricane Creek, Farm to Market 2854 at Alligator Creek, W Dallas and W Lewis Streets at Alligator Creek, State Highway 105 at Caney Creek, Mary Wagner Road at Hostetter Creek, Dacus Johnson Road at Lake Creek, Honea Egypt Road at Lake Creek, State Highway 105 Old Dobbin Road at Lake Creek, Superior Road at Lake Creek, Farm to Market 149 at Little Lake Creek, Walden Road at Stewarts Creek, E Dallas Street at Stewarts Creek, State Highway 105 near East Davis Street, Calvary Road at Weirs Creek, North Pacific Street at Alligator Creek, North Thompson Street at Alligator Creek, North Woody Creek Drive at Alligator Creek, West Semands Avenue at Alligator Creek West Fork, Holly Drive at Alligator Creek West Branch, Mockingbird Hill at Crystal Creek East Fork, Rolling Hills at Crystal Creek Tributary Four, Oak Valley Lane at Decker Branch, Pin Oak St and Honea Eygpt Road, Mount Moriah Road at Little Caney Creek, Big Oak Drive at Little Lake Creek Tributary, Forest Woods Lane at Little Lake Creek Tributary, Anderson Road at Live Branch, Little Thorn Lane and nearby lowlying streets, Pine Bark Trail and Cole Valley Drive, Honea Egypt Road at Mound Creek, Buck Ridge Road at Mound Creek Tributary, Tejas Boulevard at Rush Creek Tributary, Marilyn Street at Silverdale Creek, Avenue E at Possum Branch, Webb and College Streets along Possum Branch, Memorial Lane at White Oak Creek North, Joseph Road at Walnut Creek, Interstate 45 at Loop 336 South, Lakeside and Hillside Drives at Martin Creek, Conroe Drive at Alligator Creek, Pine Shadows Drive at Alligator Creek, South Woody Creek Drive at Alligator Creek, Pinebark Lane at Crystal Creek Tributary Four, Bluewater Road at Little Lake Creek Tributary, Brown Cone Lane at Mill Creek Tributary, Pine Needle Lane at Mill Creek Tributary, Cole Vallye Drive at Mill Creek Tributary, Avenue F at Possum Branch, East Phillips Street at Possum Branch, Pine Bark along Mill Creek Tributary 1, Gossamer Lane at Mill Creek Tributary, College St at Possum Branch and Honea Eygpt Road at Lake Creek Tributary.