# HEADLINE
--------------------
FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM EDT SATURDAY
# DETAILS
--------------------
WHAT
Temperatures as low as 33 will result in frost formation.
WHERE
Huron, Lenawee, Livingston, Macomb, Monroe, Oakland, Sanilac, St. Clair, Washtenaw, and Wayne Counties.
WHEN
From 3 AM to 8 AM EDT Saturday.
IMPACTS
Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
ISSUED AT
Friday, October 16, 2026 at 1:59 PM 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
--------------------
Lenawee, Huron, Livingston, Macomb, Monroe, Oakland, Sanilac, St. Clair, Washtenaw, Wayne
Including the cities of Detroit, Port Huron, Adrian, Pontiac, Sandusky, Bad Axe, Warren, Ann Arbor, Howell, and Monroe