Harlan Municipal Airport, Iowa

Heavy rain will spread across the area today and into Thursday morning. This rain will be focused along and south of the Platte River and into southwest Iowa. While this rain is spread out over a longer period of time, flash flooding cannot be ruled out. The flash flooding threat is highest this afternoon and evening. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southwest Iowa, including the following counties, Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and Shelby and Nebraska, including the following counties, Butler, Cass, Dodge, Douglas, Gage, Jefferson, Johnson, Lancaster, Nemaha, Otoe, Pawnee, Richardson, Saline, Sarpy, Saunders, Seward and Washington. * WHEN...Through Thursday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Area creeks and streams are running high and could flood with more heavy rain. * ADDITIONAL DETAILS... - Prolonged rain falling on saturated soil could lead to flooding in the coming days. Rainfall amounts of 2-4 inches are expected in many locations through Thursday, with localized amounts topping 5 to 6 inches for some. - For flood safety information, visit weather.gov/safety/flood. You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.