Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Marquette MI
303 AM EDT Sat Apr 18 2026

MIZ001>007-009>014-084-085-190715-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft-
Southern Houghton-Northern Schoolcraft-
303 AM EDT Sat Apr 18 2026 /203 AM CDT Sat Apr 18 2026/

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

.DAY ONE...Today and Tonight

River flooding is still possible today through tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

River flooding is still possible 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
1105 PM EDT Fri Apr 17 2026

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

  Sturgeon River near Sidnaw affecting Baraga and Houghton Counties.

.Rain has fallen on a deep primed snowpack, which has led to
snowmelt increasing. Flows in rivers could 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 afternoon at 200 PM EDT.

&&

MIC013-061-181800-
/O.EXT.KMQT.FL.Y.0011.000000T0000Z-260420T0600Z/
/SNWM4.N.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
1105 PM EDT Fri Apr 17 2026

...FLOOD ADVISORY NOW 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 10:45 PM EDT Friday the stage was 9.7 feet.
  - Bankfull stage is 11.0 feet.
  - Forecast...The river is expected to rise to a crest of 11.6
    feet early tomorrow afternoon.
  - Action stage is 11.0 feet.
  - Flood stage is 12.0 feet.
  - www.weather.gov/safety/flood

&&

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

Sturgeon River
Sidnaw        12.0  9.7   Fri 10 pm ED 10.7  8.3   7.4


&&

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


$$

TAP

Flood Statement
National Weather Service Marquette MI
1058 PM EDT Fri Apr 17 2026

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

  Sturgeon River near Chassell affecting Baraga and Houghton
  Counties.

.Flows in rivers could still 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 afternoon at 200 PM EDT.

&&

MIC013-061-181800-
/O.CON.KMQT.FL.W.0006.000000T0000Z-000000T0000Z/
/CLLM4.1.RS.260414T1140Z.260417T2200Z.000000T0000Z.UU/
1058 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 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


$$

TAP

Flood Statement
National Weather Service Marquette MI
1055 PM EDT Fri Apr 17 2026

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

  Sturgeon River near Alston affecting Baraga and Houghton Counties.

.Warming temperatures have accelerated snowmelt this week. Flows in
rivers are continuing to increase quickly, potentially reaching
critical levels. Rainfall seen this past evening may result in
rivers rising above the current forecast.

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 afternoon at 200 PM EDT.

&&

MIC013-061-181800-
/O.CON.KMQT.FL.W.0001.000000T0000Z-000000T0000Z/
/ALSM4.3.RS.260413T0417Z.260419T0600Z.000000T0000Z.NR/
1055 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 10:30 PM EDT Friday the stage was 9.9 feet.
  - Bankfull stage is 7.5 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 10:30 PM EDT Friday was 10.0 feet.
  - Forecast...The river is expected to rise to a crest of 14.0
    feet early Sunday morning.
  - 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 (8 pm EDT)
Location      Stg   Stg   Day/Time     Sat   Sun   Mon

Sturgeon River
Alston        8.0   9.9   Fri 10 pm ED 13.6  12.2  8.9


&&

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


$$

TAP

Hazard Report Provided By forecast.weather.gov