Hazardous Weather Outlook
Issued by NWS Marquette, MI

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14
921
FLUS43 KMQT 160907
HWOMQT

Hazardous Weather Outlook
National Weather Service Marquette MI
507 AM EDT Sat Aug 16 2025

MIZ001>007-009>014-084-085-170915-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft-
Southern Houghton-Northern Schoolcraft-
507 AM EDT Sat Aug 16 2025 /407 AM CDT Sat Aug 16 2025/

This Hazardous Weather Outlook is for portions of central Upper
Michigan and western Upper Michigan.

.DAY ONE...Today and Tonight

Showers and storms are possible today and tonight. A few may be
strong to severe. In addition, some flooding and ponding of water
due to excessive rainfall is possible. See the Forecast
Discussion, WPC`s Day 1 Excessive Rainfall Outlook, and SPC`s Day
1 Convective Outlook for additional details.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

There are chances of thunderstorms Sunday night through Monday
night.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

$$

LSZ162-240>251-263>267-170915-
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-
507 AM EDT Sat Aug 16 2025 /407 AM CDT Sat Aug 16 2025/

This Hazardous Weather Outlook is for portions of Central Lake
Superior...Eastern Lake Superior and Western Lake Superior.

.DAY ONE...Today and Tonight

Thunderstorms are possible today and tonight. Storms may be
strong over mainly the western lake. See the Marine Discussion and
SPC`s Day 1 Convective outlook for additional details.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

There are chances of thunderstorms Sunday night through Monday
night.

There is a low chance (30% or less) for gale force winds over
western Lake Superior Sunday. See the latest Open Lake Forecast
and Marine Discussion for additional details.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

$$

LMZ221-248-250-170915-
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-
507 AM EDT Sat Aug 16 2025

This Hazardous Weather Outlook is for portions of Northern Lake
Michigan.

.DAY ONE...Today and Tonight

Thunderstorms are possible today and tonight, some capable of
producing erratic winds and frequent lightning. See the latest
Day 1 Convective Outlook from SPC for additional details..

.DAYS TWO THROUGH SEVEN...Sunday through Friday

There are chances of thunderstorms Sunday night through Monday
night.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

$$

GS