Lake Michigan Weather

Event: Special Weather Statement

Severity: Moderate Certainty: Observed Urgency: Expected

Description:
At 838 PM CST, Doppler radar was tracking a strong thunderstorm near Buffalo City, or 7 miles southeast of Alma, moving northeast at 50 mph. HAZARD…Penny size hail. SOURCE…Radar indicated. IMPACT…Minor hail damage to vegetation is possible. This strong thunderstorm will be near… Independence around 900 PM CST. Other locations impacted by this storm include Gilmanton, Waumandee, Montana, Herold, Cream, Praag, Wickham Valley, Highway 88 And County O, Walek Knob, and Lookout.

Instruction: If outdoors, consider seeking shelter inside a building.

Start: 2026-03-06T20:38:00-06:00

End: 2026-03-06T21:15:00-06:00

Area: Buffalo; Trempealeau

Event: Special Weather Statement

Severity: Moderate Certainty: Observed Urgency: Expected

Description:
Areas of fog, some dense, continue to developing across much of the Fox Valley, central, and northern Wisconsin late this afternoon. Expect fog to expand in coverage this evening with many locations seeing visibility drop as low as one-quarter mile. Fog should clear out tonight as a round of showers and thunderstorms move through and winds increase. If traveling this evening expect locally reduced visibility to impact travel. Make sure to use the low beam setting on headlights.

Instruction:

Start: 2026-03-06T16:33:00-06:00

End: 2026-03-06T22:45:00-06:00

Area: Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Waushara; Winnebago; Calumet; Southern Marinette County; Southern Oconto County

Event: Dense Fog Advisory

Severity: Minor Certainty: Likely Urgency: Expected

Description:

WHAT…Periods of dense fog will reduce visibility to less than 1 NM at times, with the lowest visibility over the northern half of the lake (less than 1/4 NM at times).

WHERE…All Open Waters of Lake Michigan.

WHEN…Until 9 AM CST Saturday.

IMPACTS…Low visibility will make navigation difficult.

Instruction: If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Start: 2026-03-06T21:07:00-06:00

End: 2026-03-07T05:15:00-06:00

Area: Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.; Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake; Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore; Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to mid lake; Lake Michigan from Point Betsie to Manistee MI 5NM offshore to Mid Lake; Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake; Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake; Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake; Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake; Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake; Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake; Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid Lake; Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake; Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake; Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake; Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake; Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake; Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid Lake; Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake; Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake

Event: Dense Fog Advisory

Severity: Minor Certainty: Likely Urgency: Expected

Description:

WHAT…Dense fog will reduce visibility to 1 NM or less.

WHERE…Portions of Lake Huron.

WHEN…Until 4 PM EST Saturday.

IMPACTS…Low visibility will make navigation difficult.

ADDITIONAL DETAILS…Dense fog development will be possible overnight, down to 1/4 NM or less.

Instruction: If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Start: 2026-03-06T15:33:00-05:00

End: 2026-03-07T04:15:00-05:00

Area: Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt to the US/Canadian border beyond 5 NM from shore; Lake Huron from Presque Isle Lt. to Sturgeon Point MI 5NM off shore to US/Canadian border; Lake Huron from Sturgeon Point to Alabaster MI 5NM off shore to US/Canadian border; Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay; Inner Saginaw Bay SW of Point Au Gres to Bay Port MI; Port Austin to Harbor Beach MI; Harbor Beach to Port Sanilac MI; Port Sanilac to Port Huron MI; Lake Huron from Port Austin to Harbor Beach 5NM Off Shore to the US/Canadian border; Lake Huron from Harbor Beach to Port Sanilac 5NM Off Shore to US/Canadian border; Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to US/Canadian border

Event: Special Weather Statement

Severity: Moderate Certainty: Observed Urgency: Expected

Description:
Fog, locally dense, will impact portions of northern lower and eastern upper Michigan tonight. Visibilities will be reduced down to or below one-half mile at times. Travelers may need extra time to reach their destination tonight. Slow down, and leave extra space between yourself and the vehicle in front of you.

Instruction:

Start: 2026-03-06T21:40:00-05:00

End: 2026-03-07T04:00:00-05:00

Area: Emmet; Cheboygan; Presque Isle; Leelanau; Antrim; Otsego; Montmorency; Alpena; Benzie; Grand Traverse; Kalkaska; Crawford; Oscoda; Alcona; Manistee; Wexford; Missaukee; Roscommon; Ogemaw; Iosco; Gladwin; Arenac; Western Chippewa; Central Chippewa; Southeast Chippewa; Western Mackinac; Eastern Mackinac; Mackinac Island/Bois Blanc Island; Beaver Island and surrounding islands; Charlevoix