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Hazard Report Provided By forecast.weather.gov

Flood Watch
National Weather Service Marquette MI
141 PM EDT Thu Apr 23 2026

.Heavy rain may fall on a deep primed snowpack leading to the melt
increasing. Flows in rivers may increase quickly and reach critical
levels.

MIZ001>005-010-011-084-241000-
/O.CON.KMQT.FA.A.0002.260424T0000Z-260425T1200Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Iron-
Dickinson-Southern Houghton-
Including the cities of Marquette, Copper Harbor, Ontonagon, Iron
Mountain, Kenton, Houghton, Iron River, L`Anse, Gwinn, Sidnaw,
and Hancock
141 PM EDT Thu Apr 23 2026 /1241 PM CDT Thu Apr 23 2026/

...FLOOD WATCH REMAINS IN EFFECT FROM 8 PM EDT /7 PM CDT/ THIS
EVENING THROUGH SATURDAY MORNING...

* WHAT...Flooding caused by rain and snowmelt continues to be
  possible.

* WHERE...Portions of central Upper and western Upper Michigan,
  including the following areas, in central Upper Michigan, Baraga,
  Dickinson, Iron and Marquette. In western Upper Michigan,
  Keweenaw, Northern Houghton, Ontonagon and Southern Houghton.

* WHEN...From 8 PM EDT  /7 PM CDT/ this evening through Saturday
  morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
  - www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

$$

CB


Hazardous Weather Outlook
National Weather Service Marquette MI
348 PM EDT Thu Apr 23 2026

MIZ001>007-009>014-084-085-242000-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft-
Southern Houghton-Northern Schoolcraft-
348 PM EDT Thu Apr 23 2026 /248 PM CDT Thu Apr 23 2026/

This Hazardous Weather Outlook is for portions of central Upper
Michigan and western Upper Michigan.

.DAY ONE...Tonight

The combination of warm, moist air contributing to snowmelt, along
with moderate to locally heavy rain tonight will result in
renewed flooding concerns for low-lying areas, streams, and rivers
over the western half of the UP. A Flood Watch remains in effect.

Thunderstorms are possible tonight. A few may be strong to
marginally severe in the far west this evening with gusty winds
and hail.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

The combination of warm, moist air contributing to snowmelt, along
with moderate to locally heavy rain through Friday will result in
renewed flooding concerns for low-lying areas, streams, and
rivers over the western half of the UP. A Flood Watch remains in
effect.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any observed flooding to the
National Weather Service in Marquette. The public may also submit
reports to the National Weather Service via phone, on our website,
or through social media.

$$

Flood Statement
National Weather Service Marquette MI
132 PM EDT Thu Apr 23 2026

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

  Sturgeon River near Alston affecting Houghton and Baraga Counties.

...The Flood Warning continues for the following rivers in
Michigan...

  Sturgeon River near Chassell affecting Houghton and Baraga
  Counties.

  Michigamme River near Crystal Falls (Michigamme) affecting Iron
  County.

  Michigamme River near Republic affecting Marquette County.

.Snow melt and increased reservoir releases will cause the river
flows to become high. Expect minor flooding downstream from the dam.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Additional information is available at www.weather.gov/marquette.

The next statement will be issued Friday morning at 600 AM EDT /500
AM CDT/.

&&

MIC013-061-241000-
/O.EXT.KMQT.FL.W.0001.000000T0000Z-260429T0000Z/
/ALSM4.2.RS.260413T0417Z.260419T0530Z.260428T0000Z.NO/
132 PM EDT Thu Apr 23 2026

...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY EVENING...

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

* WHERE...Sturgeon River near Alston.

* WHEN...Until Tuesday evening.

* IMPACTS...At 8.0 feet, Homes and structures along the low lying
  areas and numerous roads become impacted by flood water. In
  Houghton County...Sturgeon River Road...Aho Road...and Rajala Road
  are impacted. In Baraga County...Sturgeon Road...Halonen Road and
  Usitalo Road are impacted. Along Froberg Road...Tahtinen Road...
  Irwin Road...Oliver Road...and Shirley Road are impacted.

* ADDITIONAL DETAILS...
  - At 12:30 PM EDT Thursday the stage was 8.1 feet.
  - Bankfull stage is 7.5 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 12:30 PM EDT Thursday was 8.2 feet.
  - Forecast...The river is expected to rise to a crest of 9.2
    feet Saturday morning. It will then fall below flood stage
    Monday evening.
  - Flood stage is 8.0 feet.
  - Flood History...This crest compares to a previous crest of
    9.2 feet on 04/01/1986.
  - www.weather.gov/safety/flood

&&

              Fld   Observed           Forecasts (2 pm EDT)
Location      Stg   Stg   Day/Time     Fri   Sat   Sun

Sturgeon River
Alston        8.0   8.1   Thu 12 pm ED 8.7   9.2   8.7


&&

LAT...LON 4672 8872 4683 8866 4692 8861 4692 8848
      4687 8850 4672 8860


$$

Flood Statement
National Weather Service Marquette MI
132 PM EDT Thu Apr 23 2026

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

  Sturgeon River near Alston affecting Houghton and Baraga Counties.

...The Flood Warning continues for the following rivers in
Michigan...

  Sturgeon River near Chassell affecting Houghton and Baraga
  Counties.

  Michigamme River near Crystal Falls (Michigamme) affecting Iron
  County.

  Michigamme River near Republic affecting Marquette County.

.Snow melt and increased reservoir releases will cause the river
flows to become high. Expect minor flooding downstream from the dam.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Additional information is available at www.weather.gov/marquette.

The next statement will be issued Friday morning at 600 AM EDT /500
AM CDT/.

&&

MIC013-061-241000-
/O.CON.KMQT.FL.W.0006.000000T0000Z-000000T0000Z/
/CLLM4.1.RS.260414T1140Z.260419T2350Z.000000T0000Z.UU/
132 PM EDT Thu Apr 23 2026

...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Minor flooding is occurring.

* WHERE...Sturgeon River near Chassell.

* WHEN...Until further notice.

* IMPACTS...At 10.5 feet, The river begins to overflow onto Sturgeon
  River Road...Rajala Road...and Aho Road

* ADDITIONAL DETAILS...
  - At 8:00 AM EDT Thursday the stage was 10.7 feet.
  - Bankfull stage is 10.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 8:00 AM EDT Thursday was 10.7 feet.
  - Forecast...No forecast is available for this location.
  - Flood stage is 10.5 feet.
  - Flood History...This crest compares to a previous crest of
    11.2 feet on 04/18/2023.
  - www.weather.gov/safety/flood

&&

              Fld   Observed           Forecasts (unknown time)
Location      Stg   Stg   Day/Time     d1    d2    d3

Sturgeon River
Chassell      10.5  10.7  Thu 8 am EDT MSG   MSG   MSG


&&

LAT...LON 4692 8861 4704 8856 4703 8850 4700 8845
      4692 8848


$$

CB


Hazard Report Provided By forecast.weather.gov

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