Back to Home
Flood Warning — Allen County, IN
Flood Warning
Issued
10:55 PM CDT · sam., août 15 2026
Expires
1:00 PM CDT · mar., août 18 2026
Issuing Office
NWS KIWX

Affected Areas

Allen County, IN

Official Bulletin

737
WGUS43 KIWX 151532
FLWIWX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Northern Indiana
1132 AM EDT Sat Aug 15 2026

...The National Weather Service in Northern Indiana has issued a
Flood Warning for the following rivers in Ohio...Indiana...

  Auglaize River near Fort Jennings affecting Paulding, Allen OH
  and Putnam Counties.

  Saint Marys River at St. Mary's River near Fort Wayne affecting
  Allen IN County.

...Forecast flooding changed from Minor to Moderate severity and
increased in duration for the following rivers in Ohio...Indiana...

  Saint Marys River near Decatur affecting Adams, Allen IN and Van
  Wert Counties.

For the Auglaize River...including Fort Jennings, Defiance...Minor
flooding is forecast.
For the Saint Marys River...including Decatur, St. Mary's River near
Fort Wayne...Moderate flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Detailed river forecasts and additional information can be found at
www.weather.gov/iwx under Rivers and Lakes.

The next statement will be issued late tonight at 545 AM EDT.

&&

INC003-160945-
/O.NEW.KIWX.FL.W.0050.260816T0355Z-260818T1800Z/
/SASI3.1.ER.260816T0355Z.260816T1800Z.260817T1800Z.NO/
1132 AM EDT Sat Aug 15 2026

...FLOOD WARNING IN EFFECT FROM THIS EVENING TO EARLY TUESDAY
AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Saint Marys River at St. Mary's River near Fort Wayne.

* WHEN...From this evening to early Tuesday afternoon.

* IMPACTS...At 14.0 feet, Flooding occurs in parks and low farmland
  throughout southern Allen County. The City of Fort Wayne starts 24
  hour flood fighting procedures.

* ADDITIONAL DETAILS...
  - At 11:15 AM EDT Saturday the stage was 11.1 feet.
  - Forecast...The river is expected to rise above flood stage
    late this evening to a crest of 15.7 feet early tomorrow
    afternoon. It will then fall below flood stage early Monday
    afternoon.
  - Flood stage is 14.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4104 8518 4109 8516 4109 8512 4104 8514
      4094 8504 4093 8506

$$

OHC003-125-137-160945-
/O.NEW.KIWX.FL.W.0051.260816T1200Z-260819T1641Z/
/FTJO1.1.ER.260816T1200Z.260817T1200Z.260818T1640Z.NO/
1132 AM EDT Sat Aug 15 2026

...FLOOD WARNING IN EFFECT FROM SUNDAY MORNING TO EARLY WEDNESDAY
AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Auglaize River near Fort Jennings.

* WHEN...From Sunday morning to early Wednesday afternoon.

* IMPACTS...At 13.0 feet, Minor flooding begins in the northwest
  Ohio counties of northwest Allen, northeast Van Wert, and
  southwest Putnam. Farm land nearest the Auglaize river will be
  affected by flood water.

* ADDITIONAL DETAILS...
  - At 11:00 AM EDT Saturday the stage was 12.9 feet.
  - Forecast...The river is expected to rise to a crest of 15.3
    feet Monday morning. It will then fall below flood stage
    early Tuesday afternoon.
  - Flood stage is 13.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4081 8440 4101 8426 4100 8422 4092 8423
      4081 8433

$$

INC001-003-OHC161-160945-
/O.EXT.KIWX.FL.W.0049.000000T0000Z-260821T0712Z/
/DCRI3.2.ER.260814T2000Z.260817T0000Z.260820T0712Z.NO/
1132 AM EDT Sat Aug 15 2026

...FLOOD WARNING NOW IN EFFECT UNTIL EARLY FRIDAY MORNING...

* WHAT...Minor flooding is occurring and moderate flooding is
  forecast.

* WHERE...Saint Marys River near Decatur.

* WHEN...Until early Friday morning.

* IMPACTS...At 19.5 feet, Flooding expands into more farm land in
  the Decatur area. Flood waters approach Piqua Road...Ohio State
  Route 49 and Indiana 101 just north of Pleasant Mills. Flood water
  begins to cross Ohio highway 49 north of Willshire, Ohio.

* ADDITIONAL DETAILS...
  - At 11:05 AM EDT Saturday the stage was 17.3 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 11:05 AM EDT Saturday was 17.5 feet.
  - Forecast...The river is expected to rise to a crest of 20.8
    feet tomorrow evening. It will then fall below flood stage
    early Thursday morning.
  - Flood stage is 17.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4093 8506 4094 8504 4084 8491 4082 8494

$$

Brown