Hazard Report Provided By forecast.weather.gov

Flood Watch
National Weather Service Marquette MI
430 AM EDT Fri Apr 17 2026

.Snowmelt will continue through today with increasingly warm
temperatures and humidity. Thunderstorms are possible late this
afternoon into this evening, which could bring over a half inch of
rainfall, adding to the flood risk.

MIZ001-003>007-010-011-013-014-084-085-180030-
/O.CON.KMQT.FA.A.0001.000000T0000Z-260418T1200Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Keweenaw-Northern Houghton-Baraga-Marquette-Alger-Luce-Iron-
Dickinson-Delta-Southern Schoolcraft-Southern Houghton-Northern
Schoolcraft-
Including the cities of Gwinn, Copper Harbor, L`Anse, Gladstone,
Munising, Sidnaw, Hancock, Marquette, Escanaba, Iron Mountain,
Kenton, Seney, Grand Marais, Manistique, Newberry, Houghton, and
Iron River
430 AM EDT Fri Apr 17 2026 /330 AM CDT Fri Apr 17 2026/

...FLOOD WATCH REMAINS IN EFFECT 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, Alger,
  Baraga, Delta, Dickinson, Iron, Luce, Marquette, Northern
  Schoolcraft and Southern Schoolcraft. In western Upper Michigan,
  Keweenaw, Northern Houghton and Southern Houghton.

* WHEN...Through Saturday morning.

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

* ADDITIONAL DETAILS...
  - Snowmelt continues today with rainfall coming late this
    afternoon through this evening.
  - 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.

&&

$$

Flood Statement
National Weather Service Marquette MI
139 PM EDT Fri Apr 17 2026

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

  Middle Branch Escanaba River at Humboldt affecting Marquette
  County.

  East Branch Escanaba River at Gwinn affecting Marquette County.

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

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

  Sturgeon River near Chassell affecting Houghton and Baraga
  Counties.

.Heavy rain will fall on a deep primed snowpack leading to the melt
increasing. 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 Saturday morning at 945 AM EDT
/845 AM CDT/.

&&

MIC013-061-181345-
/O.CON.KMQT.FL.W.0006.000000T0000Z-000000T0000Z/
/CLLM4.1.RS.260414T1140Z.260416T2000Z.000000T0000Z.UU/
139 PM EDT Fri Apr 17 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 4:00 PM EDT Thursday the stage was 11.1 feet.
  - Bankfull stage is 10.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 4:00 PM EDT Thursday 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  Thu 4 pm EDT MSG   MSG   MSG


&&

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


$$

NJL

Flood Warning
National Weather Service Marquette MI
1239 PM CDT Fri Apr 17 2026

...Forecast flooding changed from Moderate to Major severity for the
following rivers in Michigan...

  Sturgeon River near Alston affecting Houghton and Baraga Counties.

  Michigamme River near Witch Lake affecting Marquette and
  Dickinson Counties.

  Michigamme River near Republic affecting Marquette County.

  Sturgeon River near Nahma Junction affecting Delta County.

.Rain will fall on a deep primed snowpack leading to the melt
increasing. 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 Saturday morning at 845 AM CDT
/945 AM EDT/.

&&

MIC013-061-181345-
/O.CON.KMQT.FL.W.0001.000000T0000Z-000000T0000Z/
/ALSM4.3.RS.260413T0417Z.260419T0000Z.000000T0000Z.NR/
139 PM EDT Fri Apr 17 2026

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

* WHAT...Minor 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 12:30 PM EDT Friday the stage was 9.5 feet.
  - Bankfull stage is 7.5 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 12:30 PM EDT Friday was 9.5 feet.
  - Forecast...The river is expected to rise to a crest of 14.0
    feet tomorrow evening.
  - 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     Sat   Sun   Mon

Sturgeon River
Alston        8.0   9.5   Fri 12 pm ED 13.6  12.2  9.0


&&

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


$$

NJL

Flood Advisory
National Weather Service Marquette MI
132 PM EDT Fri Apr 17 2026

...The National Weather Service in Marquette has issued a Flood
Advisory for the following rivers in Michigan...

  Sturgeon River near Sidnaw affecting Houghton and Baraga Counties.

.Rain will fall on a deep primed snowpack leading to the melt
increasing. 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 Saturday morning at 945 AM EDT.

&&

MIC013-061-181345-
/O.NEW.KMQT.FL.Y.0011.260417T1732Z-260420T0000Z/
/SNWM4.N.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
132 PM EDT Fri Apr 17 2026

...FLOOD ADVISORY IN EFFECT FROM THIS AFTERNOON TO SUNDAY EVENING...

* WHAT...Elevated river levels caused by rain and snowmelt are
  occurring.

* WHERE...Sturgeon River near Sidnaw.

* WHEN...From this afternoon to Sunday evening.

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

* ADDITIONAL DETAILS...
  - At 12:45 PM EDT Friday the stage was 9.1 feet.
  - Bankfull stage is 11.0 feet.
  - Forecast...The river is expected to rise to a crest of 11.6
    feet tomorrow morning.
  - Action stage is 11.0 feet.
  - Flood stage is 12.0 feet.
  - www.weather.gov/safety/flood

&&

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


$$

NJL

Hazardous Weather Outlook
National Weather Service Marquette MI
355 AM EDT Fri Apr 17 2026

MIZ001>007-009>014-084-085-180800-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft-
Southern Houghton-Northern Schoolcraft-
355 AM EDT Fri Apr 17 2026 /255 AM CDT Fri Apr 17 2026/

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

.DAY ONE...Today and Tonight

The threat for flooding continues due to snowmelt and potential
rainfall. A Flood Watch is in effect for everywhere except the
far western UP through tonight. See the latest Area Forecast and
Hydro Discussions for details.

Dense Fog Advisory is in effect for Delta and Menominee counties
this morning as visibilities down to a quarter mile or less are
being seen.

Thunderstorms are expected across Upper Michigan late this
afternoon through this evening, with some strong to severe storms
possible over the west half. Some of the storms could produce
damaging hail and wind, and a spin-up tornado cannot be completely
ruled out (even though the chance is very low). See the Area
Forecast Discussion for more details.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

River flooding is still possible this weekend.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any observed flooding, hail, or
wind damage from rain showers and thunderstorms 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.

$$

Hazard Report Provided By forecast.weather.gov