Weather Alerts For Mass City, MI

# HEADLINE -------------------- DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT /9 AM CDT/ THURSDAY # DETAILS -------------------- WHAT Visibility 1/4 mile or less in dense fog. WHERE Portions of central Upper and western Upper Michigan. WHEN Until 10 AM EDT /9 AM CDT/ Thursday. IMPACTS Low visibility could make driving conditions hazardous. ISSUED AT Wednesday, April 15, 2026 at 8:04 PM EDT ISSUED BY National Weather Service Marquette MI HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- If driving, slow down, use your headlights, and leave plenty of distance ahead of you. # AREAS AFFECTED -------------------- Gogebic, Southern Houghton, Alger, Baraga, Delta, Dickinson, Iron, Keweenaw, Luce, Marquette, Menominee, Northern Houghton, Northern Schoolcraft, Ontonagon, Southern Schoolcraft Including the cities of Grand Marais, Houghton, Iron Mountain, Newberry, L'Anse, Gwinn, Sidnaw, Munising, Ontonagon, Gladstone, Manistique, Escanaba, Marquette, Menominee, Hancock, Ironwood, Iron River, Seney, Copper Harbor, and Kenton

Pollen Index: 8.1 Pollen Level: medium-high Predominant Pollen: Cedar/Juniper, Alder and Elm. Pollen concentrations for Thursday will be higher than they were today in the high range. This increase is due to higher temperatures and the lower dewpoint.