Weather Alerts For North Star, MI
Frost Advisory
-# HEADLINE -------------------- FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT TUESDAY # DETAILS -------------------- WHAT Temperatures as low as 32 will result in frost formation. WHERE Portions of central, south central, southwest, and west central Michigan. WHEN From midnight tonight to 8 AM EDT Tuesday. IMPACTS Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. ISSUED AT Monday, May 11, 2026 at 1:34 PM EDT ISSUED BY National Weather Service Grand Rapids MI HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Take steps now to protect tender plants from the cold. # AREAS AFFECTED -------------------- Clinton, Jackson, Allegan, Barry, Calhoun, Eaton, Gratiot, Ingham, Ionia, Kalamazoo, Kent, Montcalm, Muskegon, Newaygo, Oceana, Ottawa, Van Buren Including the cities of Jenison, Greenville, Lansing, Battle Creek, St. Johns, Charlotte, Ionia, Grand Rapids, Kalamazoo, Jackson, Hastings, Fremont, Hart, Alma, Grand Haven, Muskegon, South Haven, and Holland
Pollen Alert
-Pollen Index: 8.9 Pollen Level: medium-high Predominant Pollen: Ash, Birch and Maple. The pollen levels for Tuesday will be falling but will remain in the high range. This forecast of lower pollen concentration is based on rising humidity and expected precipitation in the evening which tends to wash pollen out of the air.