Skip to contentCALCHIS
≋floodactive

Flood Warning issued October 1 at 3:19AM CDT until October 3 at 2:00AM CDT by NWS Omaha/Valley NE

7.0
40.6352°N, 95.6062°W·US-IA
Started just now
NWS flood alerts data as of
Event Details
Typeflood
Severity7.0
Statusactive
Location40.6352°N, 95.6062°W (IA)
Started2026-10-02T11:30:00+00:00
Last Updated2026-10-01T12:01:21.275+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 FREMONT County, IOWA Flood80% match

Flood in IOWA, 12km from current event, $22M in recorded damage

FREMONT County, IOWADamage: $22.0MFatalities: 1
2011 FREMONT County, IOWA Flood75% match

Flood in IOWA, 11km from current event, $3M in recorded damage

FREMONT County, IOWADamage: $3.0M
2019 FREMONT County, IOWA Flash Flood71% match

Flash Flood in IOWA, 38km from current event, $14M in recorded damage

FREMONT County, IOWADamage: $14.0M

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

View on Live Map
Related
Fremont County, IA disaster historyAll US hazard profilesScoring methodology

Is this event approaching a location you care about?

Calchis tracks live federal event feeds against your own saved addresses and portfolios, and alerts you when a consequence zone reaches one.

Get Started FreeCompare plans

Free includes Live map + 3 triggers + 10 bond positions. Analyst is $149/mo for 1,000-location portfolios, ep curves, predictions, parametric triggers.

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