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Home Return to list Severe Thunderstorm Warning 0040 Issued by the Marquette Forecast Office
Action: New Issued At: 2025-07-26 15:52:46 150 WUUS53 KMQT 262052 SVRMQT MIC083-262145- /O.NEW.KMQT.SV.W.0040.250726T2052Z-250726T2145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Marquette MI 452 PM EDT Sat Jul 26 2025 The National Weather Service in Marquette has issued a * Severe Thunderstorm Warning for... Keweenaw County in western Upper Michigan... * Until 545 PM EDT. * At 451 PM EDT, severe thunderstorms were located along a line extending from 43 miles north of Grand Portage State Park to near Thunder Bay Ontario to near Grand Portage to near Grand Marais, moving east at 50 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Siskiwit Lake, Mott Island Park Headquarters, Windigo, Rock Harbor, and Mount Desor. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. Persons in campgrounds should seek sturdy shelter until these storms pass. && LAT...LON 4819 8832 4813 8833 4797 8859 4789 8869 4776 8907 4776 8916 4781 8934 4786 8937 4789 8936 4800 8922 4816 8880 4819 8872 TIME...MOT...LOC 2051Z 276DEG 42KT 4863 8959 4836 8936 4803 8973 4782 9033 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ GS Action: Continued Issued At: 2025-07-26 16:18:46 954 WWUS53 KMQT 262118 SVSMQT Severe Weather Statement National Weather Service Marquette MI 518 PM EDT Sat Jul 26 2025 MIC083-262145- /O.CON.KMQT.SV.W.0040.000000T0000Z-250726T2145Z/ Keweenaw MI- 518 PM EDT Sat Jul 26 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR KEWEENAW COUNTY... At 518 PM EDT, severe thunderstorms were located along a line extending from 16 miles northeast of Thunder Bay Ontario to 14 miles north of Windigo to near Grand Portage State Park to near Hovland, moving east at 40 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Siskiwit Lake, Mott Island Park Headquarters, Windigo, Rock Harbor, and Mount Desor. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. Persons in campgrounds should seek sturdy shelter until these storms pass. && LAT...LON 4819 8832 4813 8833 4797 8859 4789 8869 4776 8907 4776 8916 4781 8934 4786 8937 4789 8936 4800 8922 4816 8880 4819 8872 TIME...MOT...LOC 2118Z 279DEG 35KT 4860 8906 4811 8921 4793 8958 4780 8997 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ GS Action: Continued Issued At: 2025-07-26 16:37:26 550 WWUS53 KMQT 262137 SVSMQT Severe Weather Statement National Weather Service Marquette MI 537 PM EDT Sat Jul 26 2025 MIC083-262145- /O.CON.KMQT.SV.W.0040.000000T0000Z-250726T2145Z/ Keweenaw MI- 537 PM EDT Sat Jul 26 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR KEWEENAW COUNTY... At 536 PM EDT, severe thunderstorms were located along a line extending from 23 miles northeast of Thunder Bay Ontario to 14 miles north of Siskiwit Lake to 16 miles south of Grand Portage to 10 miles south of Hovland, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Siskiwit Lake, Mott Island Park Headquarters, Windigo, Rock Harbor, and Mount Desor. PRECAUTIONARY/PREPAREDNESS ACTIONS... A tornado watch remains in effect for the warned area. Tornadoes can develop quickly from severe thunderstorms. Although a tornado is not immediately likely, if one is spotted act quickly and move to a place of safety inside a sturdy structure, such as a basement or small interior room. For your protection move to an interior room on the lowest floor of a building. Persons in campgrounds should seek sturdy shelter until these storms pass. && LAT...LON 4814 8833 4791 8868 4778 8905 4778 8914 4783 8932 4788 8935 4791 8934 4800 8921 4819 8873 4819 8832 TIME...MOT...LOC 2136Z 279DEG 35KT 4859 8885 4821 8883 4773 8960 4769 8994 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ GS |