A significant early spring storm wrapped up while moving from Kansas on the morning of Saturday, March 28 to Wisconsin early morning March 29. While temperatures were, in general, too warm for snowfall with the exception of some higher elevation locations receiving 1 to 3 inches of snowfall during the afternoon and evening of March 28, there was appreciable rainfall from 1 to 2 inches from far eastern South Dakota into parts of northwest Iowa and southwest Minnesota.

Flood in PLYMOUTH, IOWA
From 30-MAR-20 07:00:00 to 31-MAR-20 23:59:00 (CST-6)
Location: WESTFIELD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 3.00K
Reported by: River/Stream Gage

With rainfall of 1.72 inches 6 miles north northeast of Elk Point, 1.58 inches at Rock Valley, 1.51 inches at Canton and 1.37 inches at Akron, the Big Sioux River near Richland (gage site BSRS2) rose above flood stage late month. The river crested at 1.62 feet above flood stage on March 31, resulting in significant flooding of agricultural land. The river remained at minor flood stage at the end of the month. Crop damage is an estimate from insured losses. Information provided by the United States Department of Agriculture.

Flood in LYON, IOWA
From 28-MAR-20 21:00:00 to 31-MAR-20 23:59:00 (CST-6)
Location: GRANITE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

With rainfall which averaged 1.00 to 1.50 inches around the Sioux Falls area, the Big Sioux River at Brandon (gage site BBSS2) returned to flood late month. The river crested at 0.66 feet above flood stage on March 29, resulting in extensive flooding of agricultural land near the river and flooding the north access road to the Big Sioux Recreation Area. The river remained at minor flood stage at the end of the month.

Flood in SIOUX, IOWA
From 29-MAR-20 09:00:00 to 31-MAR-20 23:59:00 (CST-6)
Location: LEBANON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

With rainfall of 1.58 inches at Rock Valley, 1.51 inches at Canton and an average of 1.00 to 1.50 inches around Sioux Falls, the Big Sioux River above Hawarden (gage site HWDI4) returned to flood at the end of the month. The river crested at 2.52 feet above flood stage on March 30, resulting in significant flooding of crop and pasture land.

Flood in PLYMOUTH, IOWA
From 29-MAR-20 11:00:00 to 31-MAR-20 23:59:00 (CST-6)
Location: AKRON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

With rainfall of 1.58 inches at Rock Valley, 1.51 inches at Canton and 1.37 inches at Akron, the Big Sioux River at Akron (gage site AKRI4) returned to flood at the end of the month. The river crested at 1.66 feet above flood stage on March 31, resulting in significant flooding of crop and pasture land. The river remained at minor flood stage at the end of the month.

Flood in LYON, IOWA
From 29-MAR-20 14:00:00 to 30-MAR-20 11:00:00 (CST-6)
Location: KLONDIKE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

With rainfall of 1.51 inches at Canton and averaged amounts of 1.00 to 1.50 inches around Sioux Falls, the Big Sioux River above Canton (gage site CBSS2) rose to minor flood briefly late month. The river crested at 0.23 feet above flood stage on March 30, resulting in minor flooding of crop and pasture land.

Flood in SIOUX, IOWA
From 29-MAR-20 14:00:00 to 30-MAR-20 11:00:00 (CST-6)
Location: FAIRVIEW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

With rainfall of 1.51 inches at Canton and averaged amounts of 1.00 to 1.50 inches around Sioux Falls, the Big Sioux River above Canton (gage site CBSS2) rose to minor flood briefly late month. The river crested at 0.23 feet above flood stage on March 30, resulting in minor flooding of crop and pasture land.

Flood in SIOUX, IOWA
From 29-MAR-20 14:00:00 to 31-MAR-20 04:00:00 (CST-6)
Location: FAIRVIEW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

With rainfall of 1.51 inches at Canton and averaged amounts of 1.00 to 1.50 inches around Sioux Falls, the Big Sioux River at Fairview (gage site FVWS2) rose to minor flood briefly late month. The river crested at 0.51 feet above flood stage on March 30, resulting in minor flooding of crop and pasture land.