Flash Flood Watch

Issued At: Friday, 06 Oct 2017, 8:24 PM EST
Expires At: Saturday, 07 Oct 2017, 7:00 AM EST

Flood watch national weather service des moines ia 824 pm cdt fri oct 6 2017 ...flash flooding possible over central to west central iowa tonight... .rounds of moderate to heavy rainfall have already occurred over the region in the past 24 hours. more widespread rain and thunderstorms will once again move into iowa from nebraska and kansas later this evening and continue overnight. coverage and intensity of the rain is expected to increase after 10 mph this evening and continue into the night. a flash flood threat exists, especially overnight tonight making the situation very dangerous. sac-calhoun-webster-hamilton-crawford-carroll-greene-boone-story- audubon-guthrie-dallas-polk-cass-adair-madison-warren-adams-union- clarke-taylor-ringgold-decatur- including the cities of sac city, lake view, odebolt, wall lake, schaller, early, rockwell city, manson, lake city, pomeroy, fort dodge, webster city, denison, carroll, jefferson, boone, ames, audubon, exira, guthrie center, panora, bayard, casey, perry, waukee, adel, des moines, atlantic, greenfield, stuart, adair, fontanelle, winterset, earlham, indianola, norwalk, carlisle, corning, creston, osceola, bedford, lenox, new market, mount ayr, lamoni, and leon 824 pm cdt fri oct 6 2017 ...flash flood watch remains in effect until 7 am cdt saturday... the flash flood watch continues for * portions of central iowa, south central iowa, southwest iowa, and west central iowa, including the following areas, in central iowa, boone, dallas, hamilton, polk, story, and webster. in south central iowa, clarke, decatur, madison, ringgold, union, and warren. in southwest iowa, adair, adams, cass, and taylor. in west central iowa, audubon, calhoun, carroll, crawford, greene, guthrie, and sac. * until 7 am cdt saturday * widespread rainfall amounts of 1 to 3 inches can be expected through saturday morning with locally higher amounts in excess of 3 inches likely. rainfall rates will be heavy at times with the potential for rainfall amounts of 2 inches occurring in an hour or less. * heavy rainfall may lead to rapid rises on local creeks and streams which may be high enough to cross roadways, especially low lying areas. significant ponding of water on roadways is expected at times as well. flash flooding at night is extremely dangerous and drivers should turn around if they come to an area where water is flowing over the road. precautionary/preparedness actions... a flash flood watch means that conditions may develop that lead to flash flooding. flash flooding is a very dangerous situation. you should monitor later forecasts and be prepared to take action should flash flood warnings be issued.