Active Weather Alerts
Flood Advisory
Issued: 3:19 AM Apr. 18, 2026 – National Weather Service
...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 145 AM EDT /1245 AM CDT/ SATURDAY... * WHAT...Flooding caused by rain and snowmelt continues. * WHERE...Portions of central Upper and western Upper Michigan, including the following counties, in central Upper Michigan, Baraga and Iron. In western Upper Michigan, Houghton. * WHEN...Until 145 AM EDT /1245 AM CDT/. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1119 PM EDT /1019 PM CDT/, Doppler radar indicated rain and snowmelt. Overflowing poor drainage areas will cause minor flooding in the advisory area. Between 0.25 and 1 inch of rain has fallen. - Additional rainfall amounts up to 0.25 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Covington, U.S. 141 between Covington and Amasa, Sidnaw, King Lake, Ned Lake, Bone Lake, Watton and Canyon Falls. - www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. &&
River Flood Advisory
Issued: 3:05 AM Apr. 18, 2026 – National Weather Service
...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 &&
River Flood Warning
Issued: 2:58 AM Apr. 18, 2026 – National Weather Service
...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 &&
River Flood Warning
Issued: 2:56 AM Apr. 18, 2026 – National Weather Service
...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 &&
Gale Warning
Issued: 2:11 AM Apr. 18, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT /3 AM CDT/ SATURDAY... ...GALE WARNING REMAINS IN EFFECT FROM 4 AM EDT /3 AM CDT/ TO 11 PM EDT /10 PM CDT/ SATURDAY... * WHAT...For the Small Craft Advisory, west winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. For the Gale Warning, west winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft expected. * WHERE...Black River to Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...For the Small Craft Advisory, until 4 AM EDT /3 AM CDT/ Saturday. For the Gale Warning, from 4 AM EDT /3 AM CDT/ to 11 PM EDT /10 PM CDT/ Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. &&
Small Craft Advisory
Issued: 2:11 AM Apr. 18, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT /3 AM CDT/ SATURDAY... ...GALE WARNING REMAINS IN EFFECT FROM 4 AM EDT /3 AM CDT/ TO 11 PM EDT /10 PM CDT/ SATURDAY... * WHAT...For the Small Craft Advisory, west winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. For the Gale Warning, west winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft expected. * WHERE...Black River to Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...For the Small Craft Advisory, until 4 AM EDT /3 AM CDT/ Saturday. For the Gale Warning, from 4 AM EDT /3 AM CDT/ to 11 PM EDT /10 PM CDT/ Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. &&
Flood Watch
Issued: 7:31 PM Apr. 17, 2026 – National Weather Service
...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... - 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. &&
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