Hoiatused Big Sioux Park, Iowa

Thunderstorm

21.6 8:29 PM 20:29 – 22.6 4:00 AM 04:00

Severe Thunderstorm Watch issued June 21 at 3:29PM CDT until June 21 at 11:00PM CDT by NWS Sioux Falls SD THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 445 IN EFFECT UNTIL 11 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 9 COUNTIES IN NORTHWEST IOWA CHEROKEE CLAY DICKINSON LYON O'BRIEN OSCEOLA PLYMOUTH SIOUX IN WEST CENTRAL IOWA WOODBURY IN MINNESOTA THIS WATCH INCLUDES 3 COUNTIES IN SOUTHWEST MINNESOTA JACKSON NOBLES ROCK IN NEBRASKA THIS WATCH INCLUDES 2 COUNTIES IN NORTHEAST NEBRASKA DAKOTA DIXON IN SOUTH DAKOTA THIS WATCH INCLUDES 6 COUNTIES IN SOUTHEAST SOUTH DAKOTA BON HOMME CLAY LINCOLN TURNER UNION YANKTON THIS INCLUDES THE CITIES OF ALCESTER, ALLEN, ARNOLDS PARK, AVON, BERESFORD, CANTON, CENTERVILLE, CHANCELLOR, CHEROKEE, ELK POINT, GEORGE, HARRISBURG, HARTLEY, HAWARDEN, HULL, HURLEY, INWOOD, IRENE, JACKSON, JEFFERSON, LAKEFIELD, LARCHWOOD, LE MARS, LENNOX, LUVERNE, MARION, MILFORD, NORTH SIOUX CITY, ORANGE CITY, PARKER, PONCA, ROCK RAPIDS, ROCK VALLEY, SANBORN, SCOTLAND, SHELDON, SIBLEY, SIOUX CENTER, SIOUX CITY, SOUTH SIOUX CITY, SPENCER, SPIRIT LAKE, SPRINGFIELD, TABOR, TEA, TYNDALL, VERMILLION, VIBORG, WAKEFIELD, WORTHINGTON, AND YANKTON.

National Weather Service

Flood

21.6 4:37 PM 16:37 – 22.6 0:00 PM 12:00

Flood Watch issued June 21 at 11:37AM CDT until June 22 at 7:00AM CDT by NWS Sioux Falls SD * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwest Iowa, including the following areas, Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien, Osceola, Plymouth and Sioux, southwest Minnesota, including the following areas, Cottonwood, Jackson, Lincoln, Lyon, Murray, Nobles, Pipestone and Rock, and South Dakota, including the following areas, Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix, Clay, Davison, Douglas, Gregory, Hanson, Hutchinson, Jerauld, Kingsbury, Lake, Lincoln, McCook, Miner, Minnehaha, Moody, Sanborn, Turner, Union and Yankton. * WHEN...Through Saturday morning. * IMPACTS...Extensive street flooding and flooding of creeks and rivers are possible. Area creeks and streams are running high and could flood with more heavy rain. * ADDITIONAL DETAILS... - Widespread heavy rain is expected Friday evening through Friday night. Storm total rainfall may reach 2 to 4 inches in many locations with potential for higher amounts. This rainfall, on top of already saturated ground, will lead to flash flood and river flood potential. - http://www.weather.gov/safety/flood You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

National Weather Service

Flood

21.6 1:02 PM 13:02 – 22.6 0:30 PM 12:30

Flood Warning issued June 21 at 8:02AM CDT until June 22 at 7:30AM CDT by NWS Sioux Falls SD * WHAT...Flooding caused by excessive rainfall is ongoing. * WHERE...Portions of northwest Iowa, including the following counties, Clay, Dickinson, Lyon, O'Brien, Osceola and Sioux, southwest Minnesota, including the following county, Nobles, and southeast South Dakota, including the following counties, Lincoln, Turner and Union. * WHEN...Until 730 AM CDT Saturday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Several structures are flooded and some sand bagging operations are continuing. Numerous roads remain closed due to flooding. * ADDITIONAL DETAILS... - At 801 AM CDT, Emergency management reported heavy rain had occurred and flooding is already occurring. Between 2 and 7 inches of rain have fallen. - Additional rainfall amounts of 1 to 4 inches are possible in the warned area over the next 24 hours. - Some locations that will experience flooding include... Sioux Falls, Sioux Center, Sheldon, Canton, Sibley, Rock Rapids, Beresford, Parker, Harrisburg, Tea, Rock Valley, Hull, Lennox, Sanborn, George, Centerville, Worthing, Larchwood, Inwood and Viborg. - http://www.weather.gov/safety/flood Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

National Weather Service

Flood

21.6 4:54 PM 16:54 – 22.6 7:00 PM 19:00

Flood Warning issued June 21 at 11:54AM CDT by NWS Sioux Falls SD ...The Flood Warning is extended for the following rivers in South Dakota... Firesteel Creek near Mount Vernon affecting Davison County. East Fork Vermillion River near Parker affecting Turner County. Big Sioux River at Sioux Falls I-90 affecting Minnehaha County. Big Sioux River below Dell Rapids affecting Minnehaha County. Big Sioux River near Brookings affecting Moody and Brookings Counties. ...The Flood Warning continues for the following rivers in South Dakota...Iowa...Minnesota... James River near Mitchell affecting Davison and Hanson Counties. James River near Forestburg affecting Sanborn County. James River near Scotland affecting Bon Homme, Yankton and Hutchinson Counties. Vermillion River near Chancellor affecting Turner County. East Fork Vermillion River below Montrose affecting McCook County. Turkey Ridge Creek near Centerville affecting Turner County. Vermillion River near Wakonda affecting Clay County. Vermillion River near Davis affecting Lincoln and Turner Counties. Big Sioux River at Brandon affecting Minnehaha, Lyon and Lincoln Counties. Big Sioux River at Akron affecting Plymouth and Union Counties. Big Sioux River above Hawarden affecting Union, Sioux and Lincoln Counties. Pipestone Creek below Pipestone affecting Pipestone, Moody and Minnehaha Counties. N. Branch Pipestone Creek near Pipestone affecting Pipestone County. Little Rock River near George affecting Lyon County. Mud Creek near Lester affecting Lyon County. Rock River near Hardwick affecting Rock County. Ocheyedan River near Everly affecting O'Brien and Clay Counties. Little Sioux River near Montgomery affecting Dickinson County. West Fork Little Sioux River near Lake Park affecting Dickinson County. Little Sioux River near Milford affecting Dickinson County. Little Sioux River above Spencer / Highway 18 affecting Clay County. West Fork Des Moines River near Avoca affecting Cottonwood and Murray Counties. ...The Flood Warning is cancelled for the following rivers in South Dakota...Iowa... East Fork Vermillion River near Montrose affecting McCook County. Skunk Creek near Hartford affecting Minnehaha County. Little Floyd River near Sanborn affecting O'Brien County. * WHAT...Minor flooding is occurring and major flooding is forecast. This approaches the flood of record. * WHERE...Big Sioux River above Hawarden. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 6:30 AM CDT Friday the stage was 23.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:30 AM CDT Friday was 23.6 feet. - Forecast...The river is expected to rise to a crest of 36.8 feet Sunday evening. - Flood stage is 20.5 feet. - http://www.weather.gov/safety/flood Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Additional information is available at www.weather.gov. The next statement will be issued by this afternoon.

National Weather Service