Rainfall, ice breakup, and additional runoff from melting snow from March 23-24, pushed many areas along the Big Sioux River into minor flood stage at the end of the month. Waters mainly impacted agricultural lowlands.

Flood in MOODY, SOUTH DAKOTA
From 24-MAR-18 08:00:00 to 31-MAR-18 23:59:00 (CST-6)
Location: COLMAN
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Runoff from rainfall, snow melt, and ice breakup caused minor flooding of lowland agricultural areas along middle portions of the Big Sioux River. The river reached a crest of 0.3 feet above flood stage near Brookings (gage site BRKS2) on March 25, with a second rise to a stage 1.2 feet above flood stage at months end.

Flood in MINNEHAHA, SOUTH DAKOTA
From 24-MAR-18 17:00:00 to 28-MAR-18 15:00:00 (CST-6)
Location: DELL RAPIDS
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Runoff from rainfall, snow melt, and ice breakup caused minor flooding of lowland agricultural areas along middle portions of the Big Sioux River. The river reached a crest of 0.9 feet above flood stage near Dell Rapids (gage site DERS2) on March 24.

Flood in MOODY, SOUTH DAKOTA
From 23-MAR-18 04:00:00 to 23-MAR-18 19:00:00 (CST-6)
Location: FLANDREAU
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Runoff from rainfall, snow melt, and ice breakup caused minor flooding of lowland agricultural areas along middle portions of the Big Sioux River. The river reached a crest of 0.2 feet above flood stage near Flandreau (gage site BSFS2) on March 23.

Flood in MINNEHAHA, SOUTH DAKOTA
From 21-MAR-18 08:00:00 to 31-MAR-18 23:59:00 (CST-6)
Location: RENNER
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Runoff from rainfall, snow melt, and ice breakup caused minor flooding of lowland agricultural areas along middle portions of the Big Sioux River. The river reached a crest of 2.6 feet above flood stage near I-90 north of Sioux Falls (gage site SFLS2) on March 24, and remained around 1.5 feet above flood stage at the end of the month.

Flood in UNION, SOUTH DAKOTA
From 24-MAR-18 17:00:00 to 31-MAR-18 23:59:00 (CST-6)
Location: ALCESTER
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Runoff from rainfall, snow melt, and ice breakup caused minor flooding of lowland agricultural areas along lower portions of the Big Sioux River. The river reached a crest of 4.2 feet above flood stage near Hawarden (gage site HWDI4) on March 30, and remained  above flood stage at the end of the month.

Flood in BROOKINGS, SOUTH DAKOTA
From 22-MAR-18 05:00:00 to 31-MAR-18 09:00:00 (CST-6)
Location: BRUCE
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Runoff from rainfall, snow melt, and ice breakup caused minor flooding of lowland agricultural areas along middle portions of the Big Sioux River. The river reached a crest of 1.4 feet above flood stage near Bruce (gage site BRCS2) on March 23, with a second crest of 0.2 feet above flood stage on March 30.

Flood in BROOKINGS, SOUTH DAKOTA
From 24-MAR-18 08:00:00 to 31-MAR-18 23:59:00 (CST-6)
Location: MEDARY
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Runoff from rainfall, snow melt, and ice breakup caused minor flooding of lowland agricultural areas along middle portions of the Big Sioux River. The river reached a crest of 0.3 feet above flood stage near Brookings (gage site BRKS2) on March 25, with a second rise to a stage 1.2 feet above flood stage at months end.