Rain began soaking eastern Nebraska and western Iowa Sunday around 12 Noon. Occasional downpours continued through the afternoon.
A Flash Flood Watch was posted for Sunday into Monday morning from Cuming and Burt counties to Omaha and into southeast Nebraska.
At 5pm Sunday, West Point and Oakland unofficially had about 4 inches of rain with more on the way.
National Weather Service:
...Heavy rain possible through Monday morning across parts of eastern Nebraska and southwest Iowa... .An upper level disturbance will continue to move eastward across the region through Monday. This is helping to create showers and some embedded thunderstorms. The long duration of the event suggests that there could be fairly widespread additional rainfall totals from 1 to 3 inches, with locally heavier amounts possible. Monona-Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont- Page-Thurston-Cuming-Burt-Dodge-Washington-Saunders-Douglas-Sarpy- Lancaster-Cass-Otoe-Johnson-Nemaha-Pawnee-Richardson- Including the cities of Onawa, Mapleton, Missouri Valley, Woodbine, Logan, Dunlap, Harlan, Council Bluffs, Glenwood, Red Oak, Sidney, Hamburg, Tabor, Farragut, Clarinda, Shenandoah, Pender, Macy, Walthill, Winnebago, West Point, Wisner, Tekamah, Oakland, Lyons, Decatur, Fremont, Blair, Wahoo, Ashland, Yutan, Omaha, Bellevue, Papillion, La Vista, Lincoln, Plattsmouth, Nebraska City, Tecumseh, Sterling, Auburn, Pawnee City, Table Rock, and Falls City 308 AM CDT Mon Aug 20 2018 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL NOON CDT TODAY... The Flash Flood Watch continues for * Portions of Iowa and Nebraska, including the following areas, in Iowa, Fremont, Harrison, Mills, Monona, Montgomery, Page, Pottawattamie, and Shelby. In Nebraska, Burt, Cass, Cuming, Dodge, Douglas, Johnson, Lancaster, Nemaha, Otoe, Pawnee, Richardson, Sarpy, Saunders, Thurston, and Washington. * Until noon CDT today * Areas of heavy rain expected, with widespread additional amounts ranging from 1 to 3 inches. Locally higher amounts are possible. The heaviest rain is expected along and east of the Missouri River this morning. * This will cause rises of streams. If rainfall rates are high enough once the ground becomes saturated, it could lead to flash flooding, especially in urban areas. This includes Omaha, Council Bluffs and Lincoln.