Hazard Report Provided By forecast.weather.gov
Hazardous Weather Outlook National Weather Service Marquette MI 307 AM EDT Tue Apr 21 2026 MIZ001>007-009>014-084-085-220715- Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce- Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft- Southern Houghton-Northern Schoolcraft- 307 AM EDT Tue Apr 21 2026 /207 AM CDT Tue Apr 21 2026/ This Hazardous Weather Outlook is for portions of central Upper Michigan and western Upper Michigan. .DAY ONE...Today and Tonight River flooding, while decreasing, still persists today and tonight. .DAYS TWO THROUGH SEVEN...Wednesday through Monday River flooding, while decreasing, persists through this week. Thunderstorms are possible Thursday night through Friday. .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. $$
Flood Statement
National Weather Service Marquette MI
1243 AM EDT Tue Apr 21 2026
...The Flood Warning continues for the following rivers in
Michigan...
Sturgeon River near Chassell affecting Houghton and Baraga
Counties.
.Snowmelt is resulting in rivers reaching critical levels.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at www.weather.gov/marquette.
The next statement will be issued this afternoon at 400 PM EDT.
&&
MIC013-061-212000-
/O.CON.KMQT.FL.W.0006.000000T0000Z-000000T0000Z/
/CLLM4.1.RS.260414T1140Z.260419T2350Z.000000T0000Z.UU/
1243 AM EDT Tue Apr 21 2026
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* WHAT...Minor flooding is occurring.
* WHERE...Sturgeon River near Chassell.
* WHEN...Until further notice.
* IMPACTS...At 10.5 feet, The river begins to overflow onto Sturgeon
River Road...Rajala Road...and Aho Road
* ADDITIONAL DETAILS...
- At 6:30 PM EDT Monday the stage was 11.2 feet.
- Bankfull stage is 10.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 6:30 PM EDT Monday was 11.2 feet.
- Forecast...No forecast is available for this location.
- Flood stage is 10.5 feet.
- Flood History...This crest compares to a previous crest of
11.2 feet on 04/18/2023.
- www.weather.gov/safety/flood
&&
Fld Observed Forecasts (unknown time)
Location Stg Stg Day/Time d1 d2 d3
Sturgeon River
Chassell 10.5 11.2 Mon 6 pm EDT MSG MSG MSG
&&
LAT...LON 4692 8861 4704 8856 4703 8850 4700 8845
4692 8848
$$
TAP
Flood Statement
National Weather Service Marquette MI
1238 AM EDT Tue Apr 21 2026
...The Flood Warning continues for the following rivers in
Michigan...
Sturgeon River near Alston affecting Houghton and Baraga Counties.
.Snowmelt is resulting in rivers reaching 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 this afternoon at 400 PM EDT.
&&
MIC013-061-212000-
/O.EXT.KMQT.FL.W.0001.000000T0000Z-260428T1200Z/
/ALSM4.1.RS.260413T0417Z.260419T0530Z.260427T1200Z.NO/
1238 AM EDT Tue Apr 21 2026
...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY, APRIL 28...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Sturgeon River near Alston.
* WHEN...Until Tuesday, April 28.
* 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 11:30 PM EDT Monday the stage was 9.2 feet.
- Bankfull stage is 7.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 11:30 PM EDT Monday was 9.9 feet.
- Forecast...The river is expected to fall to around 8.4 feet
Tuesday evening and then remain just above minor flood stage
through Wednesday.
- 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 am EDT)
Location Stg Stg Day/Time Wed Thu Fri
Sturgeon River
Alston 8.0 9.2 Mon 11 pm ED 8.4 8.5 8.7
&&
LAT...LON 4672 8872 4683 8866 4692 8861 4692 8848
4687 8850 4672 8860
$$
TAP
Hazard Report Provided By forecast.weather.gov