Active AlertsSarpy

What: Flash flooding caused by excessive rainfall continues to be possible.
Where: Portions of southwest Iowa, including the following counties, Fremont, Mills, Montgomery, Page and Pottawattamie and Nebraska, including the following counties, Cass, Douglas, Gage, Jefferson, Johnson, Lancaster, Nemaha, Otoe, Pawnee, Richardson and Sarpy.
When: Through late tonight.
Impacts: Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.
Additional Details: - Repeated rounds of showers and thunderstorms this afternoon into tonight will increase flood chances. Short-term models indicate scattered pockets of 2-4 inches will be possible, with rain rates of 1-2 inches or more per hour. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.