Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Marquette MI
355 AM EDT Thu Apr 23 2026

MIZ001>007-009>014-084-085-240800-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft-
Southern Houghton-Northern Schoolcraft-
355 AM EDT Thu Apr 23 2026 /255 AM CDT Thu Apr 23 2026/

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

.DAY ONE...Today and Tonight

The combination of warm, moist air contributing to snowmelt and
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 has been issued.

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

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

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

.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
1110 PM EDT Wed Apr 22 2026

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

  Sturgeon River near Alston affecting Houghton and Baraga Counties.

  Sturgeon River near Chassell affecting Houghton and Baraga
  Counties.

  Michigamme River near Crystal Falls (Michigamme) affecting Iron
  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 Thursday afternoon at 200 PM EDT
/100 PM CDT/.

&&

MIC013-061-231800-
/O.EXT.KMQT.FL.W.0001.000000T0000Z-260428T0900Z/
/ALSM4.2.RS.260413T0417Z.260419T0530Z.260427T0900Z.NO/
1110 PM EDT Wed Apr 22 2026

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

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

* WHERE...Sturgeon River near Alston.

* WHEN...Until early Tuesday morning.

* 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 10:30 PM EDT Wednesday the stage was 8.1 feet.
  - Bankfull stage is 7.5 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 10:30 PM EDT Wednesday was 8.3 feet.
  - Forecast...The river is expected to rise to a crest of 8.8
    feet early Saturday morning. It will then fall below flood
    stage early Monday morning.
  - Flood stage is 8.0 feet.
  - Flood History...This crest compares to a previous crest of
    8.8 feet on 04/15/1969.
  - www.weather.gov/safety/flood

&&

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

Sturgeon River
Alston        8.0   8.1   Wed 10 pm ED 8.5   8.8   8.6


&&

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


$$

Flood Statement
National Weather Service Marquette MI
1110 PM EDT Wed Apr 22 2026

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

  Sturgeon River near Alston affecting Houghton and Baraga Counties.

  Sturgeon River near Chassell affecting Houghton and Baraga
  Counties.

  Michigamme River near Crystal Falls (Michigamme) affecting Iron
  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 Thursday afternoon at 200 PM EDT
/100 PM CDT/.

&&

MIC013-061-231800-
/O.CON.KMQT.FL.W.0006.000000T0000Z-000000T0000Z/
/CLLM4.1.RS.260414T1140Z.260419T2350Z.000000T0000Z.UU/
1110 PM EDT Wed Apr 22 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 8:45 AM EDT Wednesday the stage was 10.9 feet.
  - Bankfull stage is 10.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 6:00 PM EDT Friday was 11.1 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  10.9  Wed 8 am EDT MSG   MSG   MSG


&&

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


$$

TDUD

Flood Watch
National Weather Service Marquette MI
237 PM EDT Wed Apr 22 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>005-010-011-084-231200-
/O.NEW.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 Iron River, Kenton, Houghton, Marquette,
Sidnaw, Ontonagon, Iron Mountain, Hancock, Copper Harbor, L`Anse,
and Gwinn
237 PM EDT Wed Apr 22 2026 /137 PM CDT Wed Apr 22 2026/

...FLOOD WATCH IN EFFECT FROM THURSDAY EVENING THROUGH SATURDAY
MORNING...

* WHAT...Flooding caused by rain and snowmelt is 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 Thursday 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.

&&

$$

DT

Hazard Report Provided By forecast.weather.gov