Runoff from melting snow across southeastern Montana caused minor flooding along the Little Missouri River upstream and downstream of Camp Crook. Minor flooding of pasture land occurred along the river for a couple of days, with a peak flow of around 4800 cubic feet per second.
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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 UNR wrote it up.
Runoff from melting snow across southeastern Montana caused minor flooding along the Little Missouri River upstream and downstream of Camp Crook. Minor flooding of pasture land occurred along the river for a couple of days, with a peak flow of around 4800 cubic feet per second.
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 Rapid City, SD wrote its last area forecast discussion before the first event at Apr 12, 10:38 AM MST, 2 hours 22 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
Minor flooding of agricultural land occurred along the Little Missouri River.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2018Every state in 2018This day in weather historyWarnings in South Dakota, April 2018
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 2026-10-01. Each event’s entry at NCEI: 744080.