Weather Alerts For Sault Ste Marie, MI

# HEADLINE -------------------- FROST ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 9 AM EDT TUESDAY # DETAILS -------------------- WHAT Temperatures as low as 33 will result in frost formation. WHERE Interior locations across Central Chippewa, Eastern Mackinac, Western Chippewa, and Western Mackinac Counties. WHEN From 8 PM this evening to 9 AM EDT Tuesday. IMPACTS Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. ISSUED AT Monday, September 21, 2026 at 1:55 PM EDT ISSUED BY National Weather Service Gaylord MI HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Take steps now to protect tender plants from the cold. # AREAS AFFECTED -------------------- Central Chippewa, Eastern Mackinac, Western Chippewa, Western Mackinac