271 WHUS53 KMQT 201400 SMWMQT LSZ248-249-265-266-201500- /O.NEW.KMQT.MA.W.0052.260720T1400Z-260720T1500Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Marquette MI 1000 AM EDT Mon Jul 20 2026 The National Weather Service in Marquette has issued a * Special Marine Warning for... Huron Islands to Marquette MI... Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore... Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore... Marquette to Munising MI... * Until 1100 AM EDT. * At 1000 AM EDT, a strong thunderstorm was located over Granite Island, moving southeast at 45 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Shot Point, Little Presque Isle, Shelter Bay, Au Train Island, Laughing Whitefish Point, Granite Island, and Presque Isle. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4648 8702 4648 8709 4644 8723 4647 8734 4667 8757 4680 8739 4643 8677 4640 8690 TIME...MOT...LOC 1400Z 313DEG 45KT 4669 8740 HAIL...0.00IN WIND...>34KTS $$ NJL  999 WUUS53 KMQT 201405 SVRMQT MIC003-013-043-071-103-201500- /O.NEW.KMQT.SV.W.0031.260720T1405Z-260720T1500Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Marquette MI 1005 AM EDT Mon Jul 20 2026 The National Weather Service in Marquette has issued a * Severe Thunderstorm Warning for... Northeastern Iron County in south central Upper Michigan... Northern Dickinson County in south central Upper Michigan... Marquette County in north central Upper Michigan... Southern Baraga County in north central Upper Michigan... West central Alger County in north central Upper Michigan... * Until 1100 AM EDT/1000 AM CDT/. * At 1005 AM EDT/905 AM CDT/, severe thunderstorms were located along a line extending from 7 miles south of Big Bay to near U.S. 141 between Covington and Amasa, moving southeast at 55 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Marquette, Ishpeming, Presque Isle, Negaunee, Felch, Michigamme, Champion, Chatham, Little Presque Isle, K. I. Sawyer Airport, Shot Point, and Trowbridge Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4649 8864 4680 8780 4659 8726 4657 8726 4658 8722 4641 8680 4597 8779 TIME...MOT...LOC 1405Z 304DEG 49KT 4670 8772 4643 8852 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ NJL  106 WWUS53 KMQT 201408 SVSMQT Severe Weather Statement National Weather Service Marquette MI 1008 AM EDT Mon Jul 20 2026 MIC013-061-071-103-201416- /O.EXP.KMQT.SV.W.0029.000000T0000Z-260720T1415Z/ Iron MI-Marquette MI-Houghton MI-Baraga MI- 1008 AM EDT Mon Jul 20 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN IRON...WEST CENTRAL MARQUETTE...SOUTHWESTERN HOUGHTON AND BARAGA COUNTIES WILL EXPIRE AT 1015 AM EDT/915 AM CDT/... A new Severe Thunderstorm Warning has been issued for portions of the perviously warned area through 1100 AM EDT. && LAT...LON 4690 8840 4664 8767 4630 8834 4666 8887 TIME...MOT...LOC 1406Z 305DEG 41KT 4666 8799 4649 8864 $$ NJL  875 WWUS53 KMQT 201419 SVSMQT Severe Weather Statement National Weather Service Marquette MI 1019 AM EDT Mon Jul 20 2026 MIC053-061-131-201429- /O.CAN.KMQT.SV.W.0030.000000T0000Z-260720T1430Z/ Gogebic MI-Houghton MI-Ontonagon MI- 1019 AM EDT Mon Jul 20 2026 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN GOGEBIC...SOUTHWESTERN HOUGHTON AND SOUTHEASTERN ONTONAGON COUNTIES IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. && LAT...LON 4642 8873 4642 8868 4646 8868 4649 8865 4635 8841 4622 8861 4635 8881 TIME...MOT...LOC 1419Z 305DEG 37KT 4647 8845 4608 8884 $$ MIC013-071-201430- /O.CON.KMQT.SV.W.0030.000000T0000Z-260720T1430Z/ Iron MI-Baraga MI- 1019 AM EDT Mon Jul 20 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 AM EDT/930 AM CDT/ FOR NORTH CENTRAL IRON AND SOUTHWESTERN BARAGA COUNTIES... At 1019 AM EDT/919 AM CDT/, severe thunderstorms were located along a line extending from near U.S. 141 between Covington and Amasa to 9 miles northeast of Kentuck Lake Campground, moving southeast at 45 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Trained weather spotters. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... U.S. 141 between Covington and Amasa. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4642 8873 4642 8868 4646 8868 4649 8865 4635 8841 4622 8861 4635 8881 TIME...MOT...LOC 1419Z 305DEG 37KT 4647 8845 4608 8884 HAIL THREAT...OBSERVED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ NJL  156 FZUS73 KMQT 201422 MWSMQT Marine Weather Statement National Weather Service Marquette MI 1022 AM EDT Mon Jul 20 2026 LSZ246>248-265-266-201431- /O.EXP.KMQT.MA.W.0051.000000T0000Z-260720T1430Z/ 1022 AM EDT Mon Jul 20 2026 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 1030 AM EDT... The affected areas were... Huron Islands to Marquette MI... Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore... Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore... Point Isabelle to Lower Entrance of Portage Canal MI... Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays... The thunderstorm has moved out of the area and no longer poses a significant threat to boaters. && LAT...LON 4684 8721 4658 8748 4675 8762 4686 8780 4690 8806 4688 8817 4683 8822 4681 8830 4695 8831 4712 8820 TIME...MOT...LOC 1421Z 294DEG 44KT 4673 8727 $$ NJL  205 WWUS53 KMQT 201432 SVSMQT Severe Weather Statement National Weather Service Marquette MI 1032 AM EDT Mon Jul 20 2026 MIC013-071-201442- /O.EXP.KMQT.SV.W.0030.000000T0000Z-260720T1430Z/ Iron MI-Baraga MI- 1032 AM EDT Mon Jul 20 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL IRON AND SOUTHWESTERN BARAGA COUNTIES HAS EXPIRED... The storms which prompted the warning have moved out of the area. Therefore, the warning has been allowed to expire. && LAT...LON 4642 8873 4642 8868 4646 8868 4649 8865 4635 8841 4622 8861 4635 8881 TIME...MOT...LOC 1432Z 305DEG 37KT 4642 8834 4603 8873 $$ NJL  915 WWUS53 KMQT 201432 RRA SVSMQT Severe Weather Statement National Weather Service Marquette MI 1032 AM EDT Mon Jul 20 2026 MIC003-013-043-071-103-201500- /O.CON.KMQT.SV.W.0031.000000T0000Z-260720T1500Z/ Iron MI-Dickinson MI-Marquette MI-Baraga MI-Alger MI- 1032 AM EDT Mon Jul 20 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT/1000 AM CDT/ FOR NORTHEASTERN IRON...NORTHERN DICKINSON... MARQUETTE...SOUTHEASTERN BARAGA AND WEST CENTRAL ALGER COUNTIES... At 1032 AM EDT/932 AM CDT/, severe thunderstorms were located along a line extending from near Harvey to near Squaw Lake, moving southeast at 55 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Marquette, Ishpeming, Presque Isle, Negaunee, Felch, Michigamme, Champion, Chatham, Deerton, West Ishpeming, Squaw Lake, and K. I. Sawyer Airport. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4641 8850 4667 8767 4659 8726 4657 8726 4658 8722 4641 8680 4597 8779 TIME...MOT...LOC 1432Z 304DEG 49KT 4653 8735 4626 8815 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ NJL  966 WWUS53 KMQT 201438 SVSMQT Severe Weather Statement National Weather Service Marquette MI 1038 AM EDT Mon Jul 20 2026 MIC013-071-201448- /O.CAN.KMQT.SV.W.0031.000000T0000Z-260720T1500Z/ Iron MI-Baraga MI- 1038 AM EDT Mon Jul 20 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN IRON AND SOUTHEASTERN BARAGA COUNTIES IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. && LAT...LON 4626 8786 4657 8752 4659 8726 4657 8726 4658 8722 4641 8680 4611 8748 TIME...MOT...LOC 1438Z 304DEG 49KT 4645 8720 4619 8800 $$ MIC003-043-103-201500- /O.CON.KMQT.SV.W.0031.000000T0000Z-260720T1500Z/ Dickinson MI-Marquette MI-Alger MI- 1038 AM EDT Mon Jul 20 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT/1000 AM CDT/ FOR NORTHEASTERN DICKINSON...SOUTHEASTERN MARQUETTE AND WEST CENTRAL ALGER COUNTIES... At 1038 AM EDT/938 AM CDT/, severe thunderstorms were located along a line extending from near Shot Point to near Channing, moving southeast at 55 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Marquette, Negaunee, Chatham, K. I. Sawyer Airport, Shot Point, Deerton, Trowbridge Park, Harvey, Gwinn, Sands, Skandia, and Laughing Whitefish Falls. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4626 8786 4657 8752 4659 8726 4657 8726 4658 8722 4641 8680 4611 8748 TIME...MOT...LOC 1438Z 304DEG 49KT 4645 8720 4619 8800 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ NJL  775 WWUS53 KMQT 201449 SVSMQT Severe Weather Statement National Weather Service Marquette MI 1049 AM EDT Mon Jul 20 2026 MIC043-201459- /O.CAN.KMQT.SV.W.0031.000000T0000Z-260720T1500Z/ Dickinson MI- 1049 AM EDT Mon Jul 20 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DICKINSON COUNTY IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. && LAT...LON 4625 8750 4654 8728 4652 8718 4641 8680 4618 8733 TIME...MOT...LOC 1449Z 304DEG 49KT 4639 8707 4613 8787 $$ MIC003-103-201500- /O.CON.KMQT.SV.W.0031.000000T0000Z-260720T1500Z/ Marquette MI-Alger MI- 1049 AM EDT Mon Jul 20 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT FOR SOUTHEASTERN MARQUETTE AND WEST CENTRAL ALGER COUNTIES... At 1049 AM EDT, severe thunderstorms were located along a line extending from 6 miles south of Deerton to 9 miles north of Felch, moving southeast at 55 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Chatham, K. I. Sawyer Airport, Shot Point, Deerton, Gwinn, Skandia, Laughing Whitefish Falls, Sundell, Beaver Grove, Eben Junction, Little Lake, and Carlshend. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4625 8750 4654 8728 4652 8718 4641 8680 4618 8733 TIME...MOT...LOC 1449Z 304DEG 49KT 4639 8707 4613 8787 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ NJL  847 FZUS73 KMQT 201450 MWSMQT Marine Weather Statement National Weather Service Marquette MI 1050 AM EDT Mon Jul 20 2026 LSZ248-265-201500- /O.CAN.KMQT.MA.W.0052.000000T0000Z-260720T1500Z/ 1050 AM EDT Mon Jul 20 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Huron Islands to Marquette MI... Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore... The thunderstorm has moved out of the warned area and no longer poses a significant threat to boaters. && LAT...LON 4648 8702 4648 8709 4645 8722 4644 8723 4647 8734 4649 8736 4665 8713 4643 8677 4640 8690 TIME...MOT...LOC 1450Z 313DEG 45KT 4626 8673 $$ LSZ249-266-201500- /O.CON.KMQT.MA.W.0052.000000T0000Z-260720T1500Z/ 1050 AM EDT Mon Jul 20 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT... For the following areas... Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore... Marquette to Munising MI... At 1050 AM EDT, a strong thunderstorm was located 15 nm southeast of Au Train Island, or 15 nm southeast of Shelter Bay, moving southeast at 45 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Laughing Whitefish Point, Shot Point, Shelter Bay, and Au Train Island. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4648 8702 4648 8709 4645 8722 4644 8723 4647 8734 4649 8736 4665 8713 4643 8677 4640 8690 TIME...MOT...LOC 1450Z 313DEG 45KT 4626 8673 HAIL...0.00IN WIND...>34KTS $$ NJL  415 WWUS53 KMQT 201455 SVSMQT Severe Weather Statement National Weather Service Marquette MI 1055 AM EDT Mon Jul 20 2026 MIC003-103-201505- /O.EXP.KMQT.SV.W.0031.000000T0000Z-260720T1500Z/ Marquette MI-Alger MI- 1055 AM EDT Mon Jul 20 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MARQUETTE AND WEST CENTRAL ALGER COUNTIES WILL EXPIRE AT 1100 AM EDT... The storms which prompted the warning have weakened below severe limits, and no longer pose an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, gusty winds and heavy rain are still possible with these thunderstorms. && LAT...LON 4625 8750 4654 8728 4652 8718 4641 8680 4618 8733 TIME...MOT...LOC 1455Z 304DEG 49KT 4635 8698 4609 8778 $$ NJL  435 FZUS73 KMQT 201456 MWSMQT Marine Weather Statement National Weather Service Marquette MI 1056 AM EDT Mon Jul 20 2026 LSZ249-266-201505- /O.EXP.KMQT.MA.W.0052.000000T0000Z-260720T1500Z/ 1056 AM EDT Mon Jul 20 2026 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 1100 AM EDT... The affected areas were... Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore... Marquette to Munising MI... The thunderstorm has weakened and no longer poses a significant threat to boaters. && LAT...LON 4648 8702 4648 8709 4645 8722 4644 8723 4647 8734 4649 8736 4665 8713 4643 8677 4640 8690 TIME...MOT...LOC 1455Z 313DEG 45KT 4622 8667 $$ NJL