Active Weather Alerts
Blizzard Warning
Issued: 5:45 AM Mar. 16, 2026 – National Weather Service
...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 2 AM EDT TUESDAY... * WHAT...Blizzard conditions. Additional snow accumulations between 5 and 10 inches. Winds gusting as high as 60 mph. * WHERE...Keweenaw and Northern Houghton Counties. * WHEN...Until 2 AM EDT Tuesday. * IMPACTS...Whiteout conditions are expected and will make travel treacherous and potentially life-threatening. The hazardous conditions will impact the Monday morning and evening commutes. The strong winds may down power lines and could cause sporadic power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary. &&
Heavy Freezing Spray Warning
Issued: 2:28 AM Mar. 16, 2026 – National Weather Service
...STORM WARNING REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ MONDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ TUESDAY... * WHAT...For the Storm Warning, north winds 30 to 40 kt with gusts up to 50 kt and waves 16 to 21 ft occurring. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater occurring, and may rapidly accumulate on vessels. * WHERE...Saxon Harbor WI to Black River MI, Black River to Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI and Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park. * WHEN...For the Storm Warning, until 2 PM EDT /1 PM CDT/ Monday. For the Heavy Freezing Spray Warning, until 2 PM EDT /1 PM CDT/ Tuesday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Storm force winds and hazardous waves will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. &&
Storm Warning
Issued: 2:28 AM Mar. 16, 2026 – National Weather Service
...STORM WARNING REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ MONDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ TUESDAY... * WHAT...For the Storm Warning, north winds 30 to 40 kt with gusts up to 50 kt and waves 16 to 21 ft occurring. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater occurring, and may rapidly accumulate on vessels. * WHERE...Saxon Harbor WI to Black River MI, Black River to Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI and Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park. * WHEN...For the Storm Warning, until 2 PM EDT /1 PM CDT/ Monday. For the Heavy Freezing Spray Warning, until 2 PM EDT /1 PM CDT/ Tuesday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Storm force winds and hazardous waves will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. &&
Lakeshore Flood Warning
Issued: 6:47 PM Mar. 15, 2026 – National Weather Service
...LAKESHORE FLOOD WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 11 PM EDT MONDAY... * WHAT...Significant lakeshore flooding expected with wave heights of 15 to 25 feet possible. * WHERE...Keweenaw and Northern Houghton Counties. * WHEN...From 8 PM this evening to 11 PM EDT Monday. * IMPACTS...Numerous roads closed and low lying property including parking lots, lawns, and homes and businesses will be inundated near the lake. Some shoreline erosion will occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. &&
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