Alert archive / Iowa / Flash Flood Warnings in 2026

Flash Flood Warning 50, NWS Omaha, NE

October 1, 2026Shelby County, Iowa

NWS Omaha, NE issued this flash flood warning at Oct 1, 2026, 12:31 AM CDT for Shelby County, Iowa. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 1, 2026, 12:31 AM CDT (05:31 UTC)
Expired
Oct 1, 2026, 2:56 AM CDT
In force
2 hr
Issued by
NWS Omaha, NE
Area
Storm-based polygon
Flood severity
None

County Shelby County, IA

The radar

The Omaha radar (KOAX), 97 km from the middle of the area, began a volume at 05:31 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The office that day

Everything else NWS Omaha, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 30, 8:41 PM CDTFlash Flood WarningOAXLancaster, Saline, Seward3 hr
Sep 30, 9:20 PM CDTRiver Flood WarningOAXNemaha4 days
Sep 30, 9:20 PM CDTRiver Flood WarningOAXRichardson4 days
Sep 30, 9:24 PM CDTFlash Flood WarningOAXLancaster, Saline, Seward2 hr
Sep 30, 9:27 PM CDTRiver Flood WarningOAXSaline21 days
Sep 30, 9:33 PM CDTRiver Flood WarningOAXSaline, Seward5 days
Sep 30, 9:36 PM CDTRiver Flood WarningOAXSaline4 days
Sep 30, 9:36 PM CDTRiver Flood WarningOAXGage, Saline69 hr
Sep 30, 9:52 PM CDTFlash Flood WarningOAXButler, Saunders3 hr
Sep 30, 10:03 PM CDTFlash Flood WarningOAXDouglas, Sarpy4 hr
Sep 30, 10:25 PM CDTFlash Flood Warning Considerable damage threatOAXLancaster, Saunders, Seward3 hr
Sep 30, 10:51 PM CDTRiver Flood WarningOAXSaunders45 hr
Sep 30, 10:54 PM CDTAreal Flood WarningOAXSaunders14 hr
Sep 30, 10:56 PM CDTFlash Flood Warning Considerable damage threatOAXLancaster, Saline, Seward3 hr
Sep 30, 11:04 PM CDTAreal Flood WarningOAXGage, Jefferson, Lancaster, Saline14 hr
Sep 30, 11:11 PM CDTFlash Flood WarningOAXDouglas, Washington3 hr
Sep 30, 11:37 PM CDTAreal Flood WarningOAXButler, Jefferson, Lancaster, Saline, Saunders, Seward13 hr
Sep 30, 11:37 PM CDTAreal Flood WarningOAXCass, Gage, Lancaster, Saline, Saunders, Seward13 hr
Sep 30, 11:46 PM CDTFlash Flood Warning Considerable damage threatOAXDouglas, Sarpy3 hr
Sep 30, 11:54 PM CDTFlash Flood WarningOAXCass, Gage, Johnson, Lancaster, Otoe3 hr
Oct 1, 12:11 AM CDTFlash Flood WarningOAXCass, Lancaster3 hr
Oct 1, 12:37 AM CDTAreal Flood WarningOAXButler, Cass, Douglas, Sarpy, Saunders12 hr
Oct 1, 12:57 AM CDTRiver Flood WarningOAXLancaster16 hr
Oct 1, 12:57 AM CDTRiver Flood WarningOAXLancaster33 hr
Oct 1, 12:57 AM CDTRiver Flood WarningOAXCass56 hr
Oct 1, 12:59 AM CDTRiver Flood WarningOAXSeward56 hr
Oct 1, 1:00 AM CDTRiver Flood WarningOAXJefferson3 days
Oct 1, 1:07 AM CDTRiver Flood WarningOAXSaunders55 hr
Oct 1, 1:48 AM CDTAreal Flood WarningOAXCass, Douglas, Sarpy, Saunders11 hr
Oct 1, 2:05 AM CDTAreal Flood WarningOAXDouglas, Washington11 hr
Oct 1, 2:20 AM CDTRiver Flood WarningOAXSeward32 hr
Oct 1, 2:40 AM CDTRiver Flood WarningOAXCass, Sarpy51 hr
Oct 1, 2:50 AM CDTAreal Flood WarningOAXCass, Gage, Johnson, Lancaster, Otoe10 hr
Oct 1, 2:54 AM CDTAreal Flood WarningOAXCass, Lancaster, Sarpy, Saunders10 hr
Oct 1, 9:42 AM CDTRiver Flood WarningOAXOtoe50 hr
Oct 1, 12:48 PM CDTAreal Flood WarningOAXCass, Douglas, Lancaster, Sarpy, Saunders7 hr
Oct 1, 12:51 PM CDTAreal Flood WarningOAXGage, Jefferson, Saline, Seward7 hr
Oct 1, 1:21 PM CDTRiver Flood WarningOAXSaunders21 days
Oct 1, 12:58 AM CDTRiver Flood WarningOAXMontgomery9 hr
Oct 1, 2:56 AM CDTAreal Flood WarningOAXHarrison, Shelby10 hr
Oct 1, 3:12 AM CDTRiver Flood WarningOAXFremont4 days
Oct 1, 3:19 AM CDTAreal Flood WarningOAXFremont, Page7 hr
Oct 1, 3:19 AM CDTRiver Flood WarningOAXFremont, Mills48 hr
Oct 1, 8:45 AM CDTRiver Flood WarningOAXPottawattamie21 hr

Nearby

Flash Flood Warnings in Iowa, 2026Every flash flood warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.