... Flash Flood Watch now in effect until 11 am CDT this morning...
The Flash Flood Watch is now in effect for
* portions of northwest Iowa... northeast Nebraska and southeast
South Dakota... including the following areas... in northwest
Iowa... Buena Vista... Cherokee... Clay... Ida... Obrien...
Plymouth... Sioux and Woodbury. In northeast Nebraska... Dakota
and Dixon. In southeast South Dakota... Clay... Union and
Yankton.
* Until 11 am CDT this morning
* additional locally heavy rainfall of 1 to 2 inches is possible
tonight. Rainfall rates of 2 to 3 inches per hour are also
possible... dropping an inch of rain or more in 15 to 30 minutes.
* Areas that have received heavy rains in the past few days
could see flash flooding on creeks and streams with these
additional rains... and any urbanized areas that receive the
heaviest rainfall rates could see widespread flooding of
streets and underpasses.
Precautionary/preparedness actions...
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.