Alert archive / South Dakota

River Flood Warnings in South Dakota

1,284 river flood warnings since 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of river flood warnings reaches back to 2005.

River Flood Warnings by county

Each county as a circle sized by its count since 1986. Tap one for its archive.

River Flood Warnings
1,284
Busiest year
2019321 river flood warnings
Average year
68over 19 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By county

Every county with at least one alert. A county page lists each alert that covered it.

The latest river flood warnings

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
Jul 31, 9:10 AM CDTRiver Flood WarningABRRoberts4 hr
Jul 10, 2:58 AM CDTRiver Flood WarningFSDBrookings49 hr
Jul 9, 5:39 PM CDTRiver Flood WarningABRHamlin17 hr
Jul 9, 12:15 AM CDTRiver Flood WarningFSDBrookings, Hamlin21 days
Jul 8, 10:03 PM CDTRiver Flood WarningABRCodington16 hr
Jul 8, 7:23 PM CDTRiver Flood WarningABRGrant4 hr
Jul 8, 6:39 PM CDTRiver Flood WarningABRCodington9 hr
Jul 8, 5:16 PM CDTRiver Flood WarningABRCodington25 hr
Jul 8, 2:19 AM CDTRiver Flood WarningABRBrown8 hr
Jun 5, 6:58 AM CDTRiver Flood WarningFSDBrookings71 hr
Jun 4, 12:20 PM CDTRiver Flood WarningFSDBrookings, Hamlin70 hr

Nearby

Alerts in force nowTornadoes on recordThe radar archive

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.