Hazardous Weather Outlook
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
741 FLUS43 KMQT 081916 CCA HWOMQT Hazardous Weather Outlook...CORRECTED National Weather Service Marquette MI 316 PM EDT Fri Aug 8 2025 MIZ001>007-009>014-084-085-091915- Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce- Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft- Southern Houghton-Northern Schoolcraft- 316 PM EDT Fri Aug 8 2025 /216 PM CDT Fri Aug 8 2025/ This Hazardous Weather Outlook is for portions of central Upper Michigan and western Upper Michigan. .DAY ONE...Tonight - Isolated to scattered storms are possible this evening (~20% to 50%) over the west half. - A line of thunderstorms, some strong to severe, is expected to move across the west-central UP tonight. .DAYS TWO THROUGH SEVEN...Saturday through Thursday - Heat and humidity increases this weekend. The chance of heat indices exceeding 90 degrees is greater than 50% Saturday for most areas, with parts of the central and western UP approaching 100 degree heat indices Saturday. - A line of thunderstorms, some strong to severe, is expected to move across the west-central UP through early Saturday. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. $$ LSZ162-240>251-263>267-091915- Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM-Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays-Huron Islands to Marquette MI- Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point MI- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 316 PM EDT Fri Aug 8 2025 /216 PM CDT Fri Aug 8 2025/ This Hazardous Weather Outlook is for portions of Central Lake Superior...Eastern Lake Superior and Western Lake Superior. .DAY ONE...Tonight - Isolated to scattered storms are possible this evening (~20 to 50%, mainly over the west half). - A line of thunderstorms, some strong to severe, is expected to move across the western lake tonight. .DAYS TWO THROUGH SEVEN...Saturday through Thursday - Gusty southerly winds upwards of 20 to 25 knots are expected Saturday. - Thunderstorms are possible through Saturday, mainly over the eastern lake. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. $$ LMZ221-248-250-091915- Green Bay North of line from Cedar River MI to Rock Island Passage-Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 316 PM EDT Fri Aug 8 2025 This Hazardous Weather Outlook is for portions of Northern Lake Michigan. .DAY ONE...Tonight - Gusty southerly winds upwards to 25 knots are expected tonight. See the latest Nearshore Zone Forecast and Marine Weather Message for additional details. .DAYS TWO THROUGH SEVEN...Saturday through Thursday - Gusty southerly winds upwards of 20 to 25 knots are expected to continue Saturday. See the latest Nearshore Zone Forecast and Marine Weather Message for additional details. - Thunderstorms are possible through this weekend. Some of the storms could be strong to severe on Saturday. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. $$ TAP