Hazard Report Provided By forecast.weather.gov
Flood Watch National Weather Service Marquette MI 141 PM EDT Thu Apr 23 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>005-010-011-084-241000- /O.CON.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 Marquette, Copper Harbor, Ontonagon, Iron Mountain, Kenton, Houghton, Iron River, L`Anse, Gwinn, Sidnaw, and Hancock 141 PM EDT Thu Apr 23 2026 /1241 PM CDT Thu Apr 23 2026/ ...FLOOD WATCH REMAINS IN EFFECT FROM 8 PM EDT /7 PM CDT/ THIS EVENING 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, Baraga, Dickinson, Iron and Marquette. In western Upper Michigan, Keweenaw, Northern Houghton, Ontonagon and Southern Houghton. * WHEN...From 8 PM EDT /7 PM CDT/ this 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. && $$ CB
Hazardous Weather Outlook National Weather Service Marquette MI 348 PM EDT Thu Apr 23 2026 MIZ001>007-009>014-084-085-242000- Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce- Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft- Southern Houghton-Northern Schoolcraft- 348 PM EDT Thu Apr 23 2026 /248 PM CDT Thu Apr 23 2026/ This Hazardous Weather Outlook is for portions of central Upper Michigan and western Upper Michigan. .DAY ONE...Tonight The combination of warm, moist air contributing to snowmelt, along with moderate to locally heavy rain tonight will result in renewed flooding concerns for low-lying areas, streams, and rivers over the western half of the UP. A Flood Watch remains in effect. Thunderstorms are possible tonight. A few may be strong to marginally severe in the far west this evening with gusty winds and hail. .DAYS TWO THROUGH SEVEN...Friday through Wednesday The combination of warm, moist air contributing to snowmelt, along with moderate to locally heavy rain through Friday will result in renewed flooding concerns for low-lying areas, streams, and rivers over the western half of the UP. A Flood Watch remains in effect. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report any observed flooding to the National Weather Service in Marquette. The public may also submit reports to the National Weather Service via phone, on our website, or through social media. $$
Flood Statement
National Weather Service Marquette MI
132 PM EDT Thu Apr 23 2026
...The Flood Warning is extended for the following rivers in
Michigan...
Sturgeon River near Alston affecting Houghton and Baraga Counties.
...The Flood Warning continues for the following rivers in
Michigan...
Sturgeon River near Chassell affecting Houghton and Baraga
Counties.
Michigamme River near Crystal Falls (Michigamme) affecting Iron
County.
Michigamme River near Republic affecting Marquette 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 Friday morning at 600 AM EDT /500
AM CDT/.
&&
MIC013-061-241000-
/O.EXT.KMQT.FL.W.0001.000000T0000Z-260429T0000Z/
/ALSM4.2.RS.260413T0417Z.260419T0530Z.260428T0000Z.NO/
132 PM EDT Thu Apr 23 2026
...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY EVENING...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Sturgeon River near Alston.
* WHEN...Until Tuesday evening.
* 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 12:30 PM EDT Thursday the stage was 8.1 feet.
- Bankfull stage is 7.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 12:30 PM EDT Thursday was 8.2 feet.
- Forecast...The river is expected to rise to a crest of 9.2
feet Saturday morning. It will then fall below flood stage
Monday evening.
- 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 pm EDT)
Location Stg Stg Day/Time Fri Sat Sun
Sturgeon River
Alston 8.0 8.1 Thu 12 pm ED 8.7 9.2 8.7
&&
LAT...LON 4672 8872 4683 8866 4692 8861 4692 8848
4687 8850 4672 8860
$$
Flood Statement
National Weather Service Marquette MI
132 PM EDT Thu Apr 23 2026
...The Flood Warning is extended for the following rivers in
Michigan...
Sturgeon River near Alston affecting Houghton and Baraga Counties.
...The Flood Warning continues for the following rivers in
Michigan...
Sturgeon River near Chassell affecting Houghton and Baraga
Counties.
Michigamme River near Crystal Falls (Michigamme) affecting Iron
County.
Michigamme River near Republic affecting Marquette County.
.Snow melt and increased reservoir releases will cause the river
flows to become high. Expect minor flooding downstream from the dam.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at www.weather.gov/marquette.
The next statement will be issued Friday morning at 600 AM EDT /500
AM CDT/.
&&
MIC013-061-241000-
/O.CON.KMQT.FL.W.0006.000000T0000Z-000000T0000Z/
/CLLM4.1.RS.260414T1140Z.260419T2350Z.000000T0000Z.UU/
132 PM EDT Thu Apr 23 2026
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* WHAT...Minor flooding is occurring.
* WHERE...Sturgeon River near Chassell.
* WHEN...Until further notice.
* IMPACTS...At 10.5 feet, The river begins to overflow onto Sturgeon
River Road...Rajala Road...and Aho Road
* ADDITIONAL DETAILS...
- At 8:00 AM EDT Thursday the stage was 10.7 feet.
- Bankfull stage is 10.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:00 AM EDT Thursday was 10.7 feet.
- Forecast...No forecast is available for this location.
- Flood stage is 10.5 feet.
- Flood History...This crest compares to a previous crest of
11.2 feet on 04/18/2023.
- www.weather.gov/safety/flood
&&
Fld Observed Forecasts (unknown time)
Location Stg Stg Day/Time d1 d2 d3
Sturgeon River
Chassell 10.5 10.7 Thu 8 am EDT MSG MSG MSG
&&
LAT...LON 4692 8861 4704 8856 4703 8850 4700 8845
4692 8848
$$
CB
Hazard Report Provided By forecast.weather.gov