Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Marquette MI
352 PM EDT Sat Apr 18 2026

MIZ001>007-009>014-084-085-192000-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft-
Southern Houghton-Northern Schoolcraft-
352 PM EDT Sat Apr 18 2026 /252 PM CDT Sat Apr 18 2026/

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

.DAY ONE...Tonight

River flooding persists through tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

River flooding continues into early next week.

.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 Advisory
National Weather Service Marquette MI
1240 PM EDT Sat Apr 18 2026

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

  Sturgeon River near Sidnaw affecting Houghton and Baraga Counties.

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

  Tahquamenon River near Paradise affecting Luce County.

.Recent rainfall on a deep primed snowpack and snowmelt. Flows in
rivers will increase quickly and reach critical levels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you encounter a flooded roadway, turn around and find an
alternative route.

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

The next statement will be issued late tonight at 415 AM EDT /315 AM
CDT/.

&&

MIC013-061-190815-
/O.CON.KMQT.FL.Y.0011.000000T0000Z-260420T0600Z/
/SNWM4.N.RS.000000T0000Z.000000T0000Z.000000T0000Z.NR/
1240 PM EDT Sat Apr 18 2026

...FLOOD ADVISORY REMAINS IN EFFECT UNTIL EARLY MONDAY MORNING...

* WHAT...Elevated river levels caused by rain and snowmelt continue.

* WHERE...Sturgeon River near Sidnaw.

* WHEN...Until early Monday morning.

* IMPACTS...At 12.0 feet, Flooding of low lying wooded lands
  upstream and downstream occurs

* ADDITIONAL DETAILS...
  - At 11:45 AM EDT Saturday the stage was 10.8 feet.
  - Bankfull stage is 11.0 feet.
  - Forecast...The river is expected to rise to a crest of 11.8
    feet this afternoon.
  - Action stage is 11.0 feet.
  - Flood stage is 12.0 feet.
  - www.weather.gov/safety/flood

&&

              Fld   Observed           Forecasts (2 pm EDT)
Location      Stg   Stg   Day/Time     Sun   Mon   Tue

Sturgeon River
Sidnaw        12.0  10.8  Sat 11 am ED 9.4   7.8   7.2


&&

LAT...LON 4658 8837 4654 8875 4672 8872 4672 8860
      4664 8862 4666 8835


$$

77

Flood Statement
National Weather Service Marquette MI
1240 PM EDT Sat Apr 18 2026

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

  Middle Branch Escanaba River at Humboldt affecting Marquette
  County.

  Paint River at Crystal Falls (Paint) affecting Iron County.

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

  East Branch Escanaba River at Gwinn affecting Marquette County.

  Sturgeon River near Chassell affecting Houghton and Baraga
  Counties.

  Sturgeon River near Alston affecting Houghton and Baraga Counties.

  Michigamme River near Republic affecting Marquette County.

  Chocolay River near Harvey affecting Marquette County.

  Sturgeon River near Nahma Junction affecting Delta County.

.Recent rainfall on a deep primed snowpack and snowmelt. Flows in
rivers will increase quickly and reach critical levels.

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 late tonight at 415 AM EDT /315 AM
CDT/.

&&

MIC013-061-190815-
/O.CON.KMQT.FL.W.0001.000000T0000Z-000000T0000Z/
/ALSM4.3.RS.260413T0417Z.260419T0600Z.000000T0000Z.NR/
1240 PM EDT Sat Apr 18 2026

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

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

* WHERE...Sturgeon River near Alston.

* WHEN...Until further notice.

* ADDITIONAL DETAILS...
  - At 11:30 AM EDT Saturday the stage was 11.1 feet.
  - Bankfull stage is 7.5 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 11:30 AM EDT Saturday was 11.1 feet.
  - Forecast...The river is expected to rise to a crest of 14.0
    feet just after midnight tonight.
  - Flood stage is 8.0 feet.
  - Flood History...This crest compares to a previous crest of
    13.8 feet on 04/24/1960.
  - www.weather.gov/safety/flood

&&

              Fld   Observed           Forecasts (2 pm EDT)
Location      Stg   Stg   Day/Time     Sun   Mon   Tue

Sturgeon River
Alston        8.0   11.1  Sat 11 am ED 12.9  9.4   8.4


&&

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


$$

77

Flood Statement
National Weather Service Marquette MI
1240 PM EDT Sat Apr 18 2026

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

  Middle Branch Escanaba River at Humboldt affecting Marquette
  County.

  Paint River at Crystal Falls (Paint) affecting Iron County.

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

  East Branch Escanaba River at Gwinn affecting Marquette County.

  Sturgeon River near Chassell affecting Houghton and Baraga
  Counties.

  Sturgeon River near Alston affecting Houghton and Baraga Counties.

  Michigamme River near Republic affecting Marquette County.

  Chocolay River near Harvey affecting Marquette County.

  Sturgeon River near Nahma Junction affecting Delta County.

.Recent rainfall on a deep primed snowpack and snowmelt. Flows in
rivers will increase quickly and reach critical levels.

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 late tonight at 415 AM EDT /315 AM
CDT/.

&&

MIC013-061-190815-
/O.CON.KMQT.FL.W.0006.000000T0000Z-000000T0000Z/
/CLLM4.1.RS.260414T1140Z.260417T2200Z.000000T0000Z.UU/
1240 PM EDT Sat Apr 18 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 6:00 PM EDT Friday the stage was 11.1 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  11.1  Fri 6 pm EDT MSG   MSG   MSG


&&

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


$$

Hazard Report Provided By forecast.weather.gov