« View county listFlash Flood Watch
Lyon IA-Osceola-Dickinson-Sioux-O'Brien-Clay IA-Plymouth-Cherokee-
Lincoln SD-Bon Homme-Yankton-Clay SD-Union-
224 PM CDT Wed Jun 20 2018
...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY MORNING...
The Flash Flood Watch continues for
* Portions of Iowa, northeast Nebraska, and southeast South
Dakota, including the following areas, in Iowa, Buena Vista,
Cherokee, Clay IA, Dickinson, Ida, Lyon IA, O'Brien, Osceola,
Plymouth, Sioux, and Woodbury. In northeast Nebraska, Dakota
and Dixon. In southeast South Dakota, Bon Homme, Clay SD,
Hutchinson, Lincoln SD, Turner, Union, and Yankton.
* Through Thursday morning
* Rain is ongoing and will continue through Thursday. This
afternoon, isolated thunderstorm activity will bring an
increased risk for excessive rainfall through the early
overnight hours of Thursday. Rainfall totals by Thursday morning
may range from 1 inch to as many as 4 or more inches.
* This long duration rainfall event will bring an increased risk
for river and stream flooding, especially in areas that have
recently received heavy rainfall this week. Flash flooding
will be possible, especially in thunderstorms, where rainfall
rates will be much higher.
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.