Snowmelt during late March into early April, as well as some added rainfall, resulted in rises on some small streams and creeks across the region. Some of these rises pushed toward or into minor flood stage for a short period, but overall impacts were limited mainly to agricultural land.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS FSD wrote it up.
Snowmelt during late March into early April, as well as some added rainfall, resulted in rises on some small streams and creeks across the region. Some of these rises pushed toward or into minor flood stage for a short period, but overall impacts were limited mainly to agricultural land.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sioux Falls, SD wrote its last area forecast discussion before the first event at Apr 1, 5:50 PM CST, 2 hours 10 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
3 flood. Local standard time, as filed.
The Little Sioux River near Milford, IA rose above flood stage on the evening of April 1st before cresting around 1.59 feet above flood stage (13.59 feet) on April 5th. The river then fell below flood stage on the morning of April 8th.
The Little Sioux River near Milford, IA rose above flood stage on the evening of April 1st before cresting around 1.59 feet above flood stage (13.59 feet) on April 5th. The river then fell below flood stage on the morning of April 8th.
The Little Sioux River at Spencer rose above flood stage on the evening of April 3rd before cresting around 0.06 feet above flood stage (10.06 feet) on April 4th. The river then fell below flood stage on the evening of April 4th.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Iowa in 2023Every state in 2023This day in weather historyWarnings in Iowa, April 2023
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1092009, 1092010, 1092011.