Full Notification

Thunderstorms are expected to develop Wednesday evening and continue through Thursday morning. This thunderstorm activity will have the potential to produce high rainfall rates, and rapid accumulation of rainfall in a short period of time. Total rainfall accumulations of 1 to 3 inches will be possible by Thursday morning with localized rainfall amounts above 3 inches possible. This rainfall on top of saturated grounds will lead to a heightened risk of flash flooding as well as river flooding. The National Weather Service in Sioux Falls has issued a

* Flash Flood Watch for portions of northwest Iowa, southwest Minnesota, and South Dakota, including the following areas, in northwest Iowa, Clay IA, Dickinson, Lyon IA, O'Brien, Osceola, and Sioux. In southwest Minnesota, Cottonwood, Jackson, Lincoln MN, Lyon MN, Murray, Nobles, Pipestone, and Rock. In South Dakota, Aurora, Brookings, Brule, Davison, Douglas, Hanson, Hutchinson, Jerauld, Kingsbury, Lake, Lincoln SD, McCook, Miner, Minnehaha, Moody, Sanborn, and Turner.

* From 7 PM CDT this evening through Thursday morning

* Thunderstorms are expected to develop quickly Wednesday evening and continue into Thursday morning. This thunderstorm activity will have the potential to produce extreme rainfall rates. Widespread rainfall accumulations between 1 and 3 inches will be possible. Localized rainfall accumulations greater than 3 to 5 inches will also be possible.

* Heavy rains can lead to flash flooding, with water covered roads and urban flooding possible. Flooding an area streams and rivers will also be possible into Thursday.

* AFFECTED AREAS: LINCOLN ... HANSON ... JACKSON ... KINGSBURY ... BRULE ... LYON ... DAVISON ... O'BRIEN ... PIPESTONE ... COTTONWOOD ... SANBORN ... DICKINSON ... NOBLES ... TURNER ... DOUGLAS ... MCCOOK ... LAKE ... LYON ... MOODY ... JERAULD ... CLAY ... AURORA ... MINER ... ROCK ... OSCEOLA ... LINCOLN ... HUTCHINSON ... SIOUX ... BROOKINGS ... MINNEHAHA ... MURRAY

Instructions:

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.