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Flood Warning — Allen County, IN
Flood Warning
Issued
Expires
10:00 p. m. CDT · vie., sept. 25 2026
Issuing Office
NWS KIWX

Affected Areas

Allen County, IN

Official Bulletin

704
WGUS83 KIWX 201556
FLSIWX

Flood Statement
National Weather Service Northern Indiana
1156 AM EDT Sun Sep 20 2026

...The Flood Warning continues for the following rivers in Indiana...
Ohio...

  Wabash River near Bluffton IN affecting Wells County.

  Wabash River near Linn Grove affecting Wells and Adams Counties.

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

  Kankakee River at Davis affecting St. Joseph, La Porte and Starke
  Counties.

...The Flood Warning is extended for the following rivers in
Indiana...

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

For the Wabash River...including Linn Grove, Bluffton IN, Wabash,
Logansport...Moderate flooding is forecast.
For the Kankakee River...including Davis...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.

Motorists should not attempt to drive around barricades or drive cars
through flooded areas.

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

This statement will be updated within the next 12 to 24 hours.

&&

INC003-211000-
/O.EXT.KIWX.FL.W.0058.000000T0000Z-260924T2024Z/
/SASI3.1.ER.260919T0246Z.260921T1200Z.260923T2024Z.NO/
1156 AM EDT Sun Sep 20 2026

...FLOOD WARNING NOW IN EFFECT UNTIL THURSDAY AFTERNOON...

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

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

* WHEN...Until Thursday afternoon.

* IMPACTS...At 17.0 feet, Some residents in the Winchester Road area
  may need to be evacuated. Property damage begins in some areas at
  this level.

* ADDITIONAL DETAILS...
  - At 11:15 AM EDT Sunday the stage was 15.7 feet.
  - Bankfull stage is 14.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours ending
    at 11:15 AM EDT Sunday was 15.7 feet.
  - Forecast...The river is expected to rise to a crest of 16.5 feet
    tomorrow morning. It will then fall below flood stage Wednesday
    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

$$

INC001-003-OHC161-211000-
/O.EXT.KIWX.FL.W.0057.000000T0000Z-260925T0600Z/
/DCRI3.2.ER.000000T0000Z.260919T0805Z.260924T0600Z.NO/
1156 AM EDT Sun Sep 20 2026

...FLOOD WARNING NOW IN EFFECT UNTIL LATE THURSDAY NIGHT...

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

* WHERE...Saint Marys River near Decatur.

* WHEN...Until late Thursday night.

* IMPACTS...At 23.5 feet, Many east side city streets and county
  roads are flooded. Evacuation of east side residents near Bellmont
  High School becomes necessary.

* ADDITIONAL DETAILS...
  - At 11:10 AM EDT Sunday the stage was 23.4 feet.
  - Bankfull stage is 15.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours ending
    at 11:10 AM EDT Sunday was 23.5 feet.
  - Forecast...The river is expected to fall below flood stage early
    Thursday morning and continue falling to 14.5 feet Friday
    morning.
  - Flood stage is 17.0 feet.
  - http://www.weather.gov/safety/flood

&&

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

$$

INC179-211000-
/O.EXT.KIWX.FL.W.0055.000000T0000Z-260924T0400Z/
/BLFI3.2.ER.260917T0618Z.260917T2345Z.260923T0400Z.NO/
1156 AM EDT Sun Sep 20 2026

...FLOOD WARNING NOW IN EFFECT UNTIL LATE WEDNESDAY NIGHT...

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

* WHERE...Wabash River near Bluffton IN.

* WHEN...Until late Wednesday night.

* IMPACTS...At 13.0 feet, Access road to Bluffton wastewater
  treatment plant is flooded.

* ADDITIONAL DETAILS...
  - At 10:45 AM EDT Sunday the stage was 12.8 feet.
  - Bankfull stage is 8.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours ending
    at 10:45 AM EDT Sunday was 14.1 feet.
  - Forecast...The river is expected to fall below flood stage early
    Wednesday morning and continue falling to 7.9 feet Friday
    morning.
  - Flood stage is 10.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4080 8533 4083 8533 4078 8512 4072 8508
      4069 8511

$$

INC001-179-211000-
/O.EXT.KIWX.FL.W.0054.000000T0000Z-260925T1500Z/
/LYNI3.2.ER.260917T0658Z.260918T2000Z.260924T1500Z.NR/
1156 AM EDT Sun Sep 20 2026

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

* WHAT...Moderate flooding is occurring and moderate flooding is
  forecast. This approaches the flood of record.

* WHERE...Wabash River near Linn Grove.

* WHEN...Until Friday morning.

* IMPACTS...At 14.0 feet, Secondary roads are blocked. Roads near the
  east side of Geneva begin to flood. Some evacuations may be
  required and property needs to be transferred to higher ground.

* ADDITIONAL DETAILS...
  - At 10:45 AM EDT Sunday the stage was 14.0 feet.
  - Bankfull stage is 10.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours ending
    at 10:45 AM EDT Sunday was 14.6 feet.
  - Forecast...The river is expected to fall below flood stage late
    Thursday morning and continue falling to 9.9 feet Friday morning.
  - Flood stage is 11.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4069 8510 4072 8508 4064 8499 4061 8502

$$

INC091-141-149-211000-
/O.CON.KIWX.FL.W.0059.260921T0600Z-260924T2100Z/
/DAVI3.1.ER.260921T0600Z.260922T0000Z.260923T2100Z.NO/
1156 AM EDT Sun Sep 20 2026 /1056 AM CDT Sun Sep 20 2026/

...FLOOD WARNING REMAINS IN EFFECT FROM LATE TONIGHT TO THURSDAY
AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Kankakee River at Davis.

* WHEN...From late tonight to Thursday afternoon.

* IMPACTS...At 11.0 feet, Flooding of secondary roads near the river
  begins.

* ADDITIONAL DETAILS...
  - At 11:00 AM EDT /10:00 AM CDT/ Sunday the stage was 7.3 feet.
  - Bankfull stage is 10.0 feet.
  - Forecast...The river is expected to rise above flood stage just
    after midnight tonight to a crest of 11.0 feet tomorrow evening.
    It will then fall below flood stage Wednesday afternoon.
  - Flood stage is 10.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4145 8667 4144 8661 4130 8673 4131 8679
      4143 8670

$$

Marsili