Alert archive / Indiana / River Flood Warnings in 2026

River Flood Warning 10, NWS Northern Indiana

March 31, 2026Allen County, Indiana

NWS Northern Indiana issued this river flood warning at Mar 31, 2026, 10:53 PM EDT for Allen County, Indiana. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Mar 31, 2026, 10:53 PM EDT (02:53 UTC)
Expired: Apr 1, 2026, 10:43 AM EDT
In force: 12 hr
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Flood severity: Minor

County Allen County, IN

The radar

The Northern Indiana radar (KIWX), 61 km from the middle of the area, began a volume at 02:54 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 river

Written for the forecast point Spy Run Creek at Ft. Wayne Childrens Zoo (SPYI3). The gauge peaked at 12.23 ft at Apr 1, 2026, 3:00 AM EDT.

Action stage: 9 ft
Minor stage: 11 ft
Moderate stage: 12 ft
Major stage: 13 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 04182808, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Northern Indiana wrote its last area forecast discussion before this river flood warning went out at Mar 31, 7:47 PM EDT, 3 hours 6 minutes earlier.

Area forecast discussion, Mar 31, 7:47 PM EDT, 3 hours 6 minutes before

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Hazardous weather outlook, Mar 31, 4:52 PM EDT, 6 hours 1 minute before

Hazardous Weather Outlook...UPDATED
National Weather Service Northern Indiana
452 PM EDT Tue Mar 31 2026

INZ005>009-012>015-017-018-020-022>027-032>034-103-104-116-203-204-
216-MIZ078>081-177-277-OHZ001-002-004-005-015-016-024-025-012100-
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-Northern La Porte-
Eastern St. Joseph IN-Northern Kosciusko-Southern La Porte-
Western St. Joseph IN-Southern Kosciusko-Cass MI-St. Joseph MI-
Branch-Hillsdale-Northern Berrien-Southern Berrien-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
452 PM EDT Tue Mar 31 2026 /352 PM CDT Tue Mar 31 2026/

This Hazardous Weather Outlook is for northern Indiana, southwest
Michigan and northwest Ohio.

.DAY ONE...Tonight.

There is a Slight Risk of severe thunderstorms this evening with all
hazards possible including large hail 1 to 1.5 inches in diameter,
scattered damaging wind gusts in excess of 60 mph, and isolated
tornadoes. Locally heavy rainfall is also possible. The greatest
severe weather threat is from 6 PM to 11 PM EDT along and south of
Interstate 80.

Locally heavy rainfall is also possible tonight, with greatest
rainfall amounts expected along and south of US Route 24.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Isolated storms are possible Wednesday but severe weather is not
expected.

There are additional chances of storms Thursday and Saturday. Some of
the storms during these periods may be strong to severe.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed tonight.

LMZ043-012100-
New Buffalo MI to St Joseph MI-
452 PM EDT Tue Mar 31 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT WEDNESDAY...

This Hazardous Weather Outlook is for the nearshore waters of
southeastern Lake Michigan.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Small Craft Advisory.

Small Craft Advisory.

Scattered thunderstorms are expected this evening. A few storms may
produce hail and wind gusts in excess of 35 knots.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Small Craft Advisory.

Hazardous conditions for small craft are possible again late Thursday
afternoon and evening.

There are additional chances of thunderstorms Thursday and Saturday.

LMZ046-012100-
Michigan City IN to New Buffalo MI-
452 PM EDT Tue Mar 31 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT WEDNESDAY...

This Hazardous Weather Outlook is for the nearshore waters of
southeastern Lake Michigan.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Small Craft Advisory.

Small Craft Advisory.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Small Craft Advisory.

Hazardous conditions for small craft are possible again late Thursday
afternoon and evening.

There are additional chances of thunderstorms Thursday and Saturday.

In the hours before

Local storm report, Mar 31, 9:25 PM EDT, 1 hour 28 minutes before

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Local storm report, Mar 31, 9:28 PM EDT, 1 hour 25 minutes before

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Local storm report, Mar 31, 9:48 PM EDT, 1 hour 5 minutes before

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Local storm report, Mar 31, 9:54 PM EDT, 59 minutes before

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Local storm report, Mar 31, 10:28 PM EDT, 25 minutes before

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Local storm report, Mar 31, 10:34 PM EDT, 19 minutes before

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The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 31, 8:31 PM EDT	Special Weather Statement	IWX	Fulton	29 min
Mar 31, 8:57 PM EDT	Special Weather Statement	IWX	Huntington	33 min
Mar 31, 9:20 PM EDT	Areal Flood Advisory	IWX	Adams, Allen, Fulton, Huntington, Kosciusko, LaPorte and 8 more	4 hr
Mar 31, 10:53 PM EDT	Small Craft Advisory	IWX		15 hr
Apr 1, 1:30 AM EDT	Areal Flood Advisory	IWX	Allen, Huntington, Whitley	3 hr
Apr 1, 2:31 AM EDT	River Flood Warning	IWX	Allen, DeKalb	21 days
Apr 1, 6:20 AM EDT	River Flood Warning	IWX	Cass, Kosciusko, Miami, Wabash, Whitley	5 days
Apr 1, 9:07 AM EDT	Areal Flood Advisory	IWX	Allen, DeKalb	6 hr
Apr 1, 11:10 AM EDT	River Flood Warning	IWX	Noble	22 days
Apr 1, 12:13 PM EDT	River Flood Warning	IWX	Allen	5 days
Apr 1, 12:13 PM EDT	River Flood Warning	IWX	Allen	5 days
Apr 1, 3:36 PM EDT	Small Craft Advisory	IWX		22 hr
Mar 31, 8:22 PM EDT	Special Weather Statement	IWX	Van Wert	23 min
Mar 31, 8:44 PM EDT	Special Weather Statement	IWX	Allen, Van Wert	31 min
Mar 31, 9:08 PM EDT	Special Weather Statement	IWX	Allen	37 min
Apr 1, 2:31 AM EDT	River Flood Warning	IWX	Defiance, Fulton, Williams	21 days
Apr 1, 12:13 PM EDT	River Flood Warning	IWX	Defiance, Henry	6 days
Apr 1, 3:41 PM EDT	River Flood Warning	IWX	Henry	5 days

Nearby

River Flood Warnings in Indiana, 2026 Every river 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; the gauge from the NWS water service and the USGS.