Weather Alerts For Marine City, MI
Freeze Warning
-# HEADLINE -------------------- FREEZE WARNING REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING # DETAILS -------------------- WHAT Sub-freezing temperatures as low as 19. WHERE A portion of southeast Michigan. WHEN Until 11 AM EDT this morning. IMPACTS Frost and freeze conditions could harm sensitive outdoor vegetation. ISSUED AT Monday, April 20, 2026 at 2:29 AM EDT ISSUED BY National Weather Service Detroit/Pontiac MI HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Take steps now to protect tender plants from the cold. # AREAS AFFECTED -------------------- Macomb, Genesee, Lapeer, Lenawee, Livingston, Monroe, Oakland, Saginaw, Shiawassee, St. Clair, Washtenaw, Wayne Including the cities of Saginaw, Owosso, Warren, Pontiac, Detroit, Monroe, Ann Arbor, Lapeer, Howell, Port Huron, Adrian, and Flint
Pollen Alert
-Pollen Index: 10.8 Pollen Level: high Predominant Pollen: Maple, Cedar/Juniper and Poplar/Aspen/Cottonwood. Pollen concentrations for Monday will be falling but will remain in the high range. This lower level is caused by falling temperatures, higher dew points and lack of strong winds.