Waarschuwingen

Flood Watch issued June 21 at 6:49PM CDT until June 22 at 1:00PM CDT by NWS Des Moines IAA moderate risk of heavy rainfall and flash flooding is forecastover northern Iowa through the overnight. Storms will be increasingin coverage this evening, with the heaviest rainfall expected laterthis evening to early Saturday morning. Some uncertainty remains asto the exact axis of heaviest rainfall, but current indications arethat the heaviest rainfall in north central Iowa will be generallybetween Highway 20 and the Iowa Minnesota border. If you live in ornear the watch, please monitor the weather closely this evening andtonight. Review flooding safety plans now and be prepared if youmust take action.* WHAT...Flooding caused by excessive rainfall continues to bepossible.* WHERE...Portions of central, north central, northeast, northwest,and west central Iowa, including the following counties, incentral Iowa, Grundy, Hamilton, Hardin and Webster. In northcentral Iowa, Butler, Franklin, Humboldt and Wright. In northeastIowa, Black Hawk and Bremer. In northwest Iowa, Pocahontas. Inwest central Iowa, Calhoun and Sac.* WHEN...Through Saturday afternoon.* IMPACTS...Excessive runoff may result in flooding of rivers,creeks, streams, and other low-lying and flood-prone locations.Creeks and streams may rise out of their banks. Flooding may occurin poor drainage and urban areas. Low-water crossings may beflooded. Extensive street flooding and flooding of creeks andrivers are possible.* ADDITIONAL DETAILS...- Expected rainfall totals may reach 3 to 7 inches in someareas with locally higher amounts are possible. Rapid risesin creeks, streams and urban flooding will be possible. Fieldflooding and washed out county roads will also be possible.Rainfall rates may approach 2 inches per hour in the heavierstorms. Nighttime flooding is especially dangerous due to thelack of light and ability to see flooding impacts.For the latest river and stream observations and forecasts refer toweather.gov/desmoines/water.

National Weather Service