Rapid melting of much above normal snowpack caused widespread, and at times, extensive flooding over portions of west and central Upper Michigan from the 12th into the 25th.  Extensive impacts from the flooding caused Governor Whitmer to declare a state of emergency declaration for eight counties in west and central Upper Michigan on the 21st.

Flood in GOGEBIC, MICHIGAN
From 12-APR-23 00:00:00 to 17-APR-23 00:00:00 (CST-6)
Location: JUNET
Flood cause: Heavy Rain / Snow Melt
Property damage: 20.00M
Crop damage: 0.00K
Reported by: Department of Highways

The Gogebic County Road Commission reported numerous secondary roads and a few county roads impassable from the 13th into the 17th.  Highway M-28 east of Sunday Lake in Wakefield was closed from the 16th into the 21st due to high water. Estimated countywide damages to highway infrastructure were in the millions of dollars.  Governor Whitmer declared a state of emergency in Gogebic County on April 14th due to severe and widespread flooding.

Flood in ONTONAGON, MICHIGAN
From 13-APR-23 00:00:00 to 18-APR-23 14:00:00 (EST-5)
Location: EWEN
Flood cause: Heavy Rain / Snow Melt
Property damage: 8.00M
Crop damage: 0.00K
Reported by: Department of Highways

Michigan DOT closed Highway M-28 at Ewen due to snowmelt flooding over the bridge along the South Branch of the Ontonagon River from the 13th until the 18th.  Traffic was detoured via US-2 and US-45. Ontonagon County was added to the state emergency declaration by Governor Whitmer on the 21st to assist in flood recovery efforts.

Flood in MARQUETTE, MICHIGAN
From 12-APR-23 00:00:00 to 24-APR-23 00:00:00 (EST-5)
Location: WITCH LAKE
Flood cause: Heavy Rain / Snow Melt
Property damage: 7.00M
Crop damage: 0.00K
Reported by: Department of Highways

Fairly widespread flooding was observed across a large portion of Marquette County with flooding observed along the Chocolay, Escanaba and Michigamme Rivers. Some of the most severe and longest-duration flooding was along the Michigamme River near Republic and Witch Lake.  On April 24th Marquette County officials described extensive and significant flooding damage to 25+ roads and 7+ crossings with damage estimates exceeding $7 million. Marquette County was added to the state of emergency declaration on 4/21 by Governor Whitmer to aid in flood recovery efforts.

Flood in LUCE, MICHIGAN
From 17-APR-23 00:00:00 to 25-APR-23 00:00:00 (EST-5)
Location: NEWBERRY
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

A few secondary roads were closed north of Newberry due to snowmelt runoff over the roads.

Flood in DELTA, MICHIGAN
From 13-APR-23 00:00:00 to 23-APR-23 00:00:00 (EST-5)
Location: MASONVILLE
Flood cause: Heavy Rain / Snow Melt
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Department of Highways

Michigan DOT reported snowmelt flood water over US Highway 41 between 27.75 and US Highway 2 near Rapid River on the 13th.  Flooding was also reported along the Sturgeon River near Nahma Junction from the 15th through the 23rd.

Flood in BARAGA, MICHIGAN
From 12-APR-23 00:00:00 to 24-APR-23 00:00:00 (EST-5)
Location: BARAGA CARLSON ARPT
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 700.00K
Reported by: Department of Highways

Flooding impacts were reported along the Sturgeon River from the 13th into the 24th.

Flood in HOUGHTON, MICHIGAN
From 12-APR-23 00:00:00 to 24-APR-23 00:00:00 (EST-5)
Location: OSCEOLA
Flood cause: Heavy Rain / Snow Melt
Property damage: 18.00M
Crop damage: 0.00K
Reported by: Broadcast Media

A flash flood impacted the Lake Linden, MI area early on April 12th after a culvert under railroad tracks failed and released a flood wave resulting in an estimated $150,000 in
damages. The flooding prompted a state of emergency declaration for Houghton County by Governor Whitmer. The culvert was recently installed as part of repairs following the Father���s Day flooding in 2018.  There was also prolonged snowmelt flooding along the Sturgeon River which lasted through the 24th.

Flood in IRON, MICHIGAN
From 13-APR-23 00:00:00 to 24-APR-23 00:00:00 (CST-6)
Location: MICHIGAMME RES
Flood cause: Heavy Rain / Snow Melt
Property damage: 3.10M
Crop damage: 0.00K
Reported by: Department of Highways

Secondary roads were impacted by flooding along the Paint River, Iron River and other tributaries across the county.  Iron County was included in a state of emergency declaration by Governor Whitmer on 4/21 to aid in flood recovery efforts.

Flood in DICKINSON, MICHIGAN
From 13-APR-23 00:00:00 to 24-APR-23 00:00:00 (CST-6)
Location: VULCAN
Flood cause: Heavy Rain / Snow Melt
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Department of Highways

Flooding along the Michigamme River including secondary roads and property constituted much of the flood impacts in April for Dickinson County.  County Road 577 in Vulcan was also closed from the 15th into the 17th due to high water.  Governor Whitmer declared a state of emergency for Dickinson County on the 21st to open up state funds to assist in flood recovery efforts.