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Flood Warning issued September 28 at 9:34AM CDT until September 28 at 3:30PM CDT by NWS Aberdeen SD

7.0
45.8800°N, 100.4817°W·US-SD
Started 3h ago
NWS flood alerts data as of
Event Details
Typeflood
Severity7.0
Statusactive
Location45.8800°N, 100.4817°W (SD)
Started2026-09-28T14:34:00+00:00
Last Updated2026-09-28T17:30:51.195+00:00
Sourcenoaa_ahps
Source URLapi.weather.gov
Confidence1.00
Impact Zones
Modeled Inundation
Where the National Water Model's latest analysis puts water inside the warning area. Experimental; the warning polygon is the official boundary.
NWS polygon
Severe Impact Zone
Active flood warning area. Significant property damage possible.
NWS polygon

Zone estimates are based on scientific models and may differ from actual local conditions.

Impact Analysis

This event's zone is the NWS warning polygon. Population and structure estimates are not computed inside NWS polygons yet, so none are shown.

Historical Comparison
2019 SIOUX County, NORTH DAKOTA Flash Flood76% match

Flash Flood in NORTH DAKOTA, 8km from current event, $750K in recorded damage

SIOUX County, NORTH DAKOTADamage: $750KFatalities: 2
2019 EMMONS County, NORTH DAKOTA Flash Flood72% match

Flash Flood in NORTH DAKOTA, 7km from current event, $40K in recorded damage

EMMONS County, NORTH DAKOTADamage: $40K
2009 CORSON County, SOUTH DAKOTA Flood63% match

Flood in SOUTH DAKOTA, 25km from current event, $50K in recorded damage

CORSON County, SOUTH DAKOTADamage: $50K

Historical comparison based on peril type, geography, and severity. Past events do not predict future outcomes.

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Related
Corson County, SD disaster historyAll US hazard profilesScoring methodology

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Zone estimates are based on scientific models and may differ from actual local conditions.