Frost Possible Overnight In Northern Maine & NW New Brunswick

URGENT - WEATHER MESSAGE

National Weather Service Caribou ME

215 PM EDT Fri Sep 11 2026

MEZ001>006-121200-

/O.NEW.KCAR.FR.Y.0006.260912T0600Z-260912T1200Z/

Northwest Aroostook-Northeast Aroostook-Northern Somerset-

Northern Piscataquis-Northern Penobscot-Southeast Aroostook-

Including the cities of Caribou, Baker Lake, Mount Katahdin, Houlton,

Baxter St Park, Patten, Sherman, Presque Isle, Smyrna Mills,

Frenchville, Churchill Dam, Ripogenus, Van Buren, Hodgdon,

Clayton Lake, Madawaska, Billy-Jack Depot, Ashland, Allagash,

Millinocket, Telos Lake, Medway, Fort Kent, Chamberlain Lake,

Caucomgomoc Lake, East Millinocket, and Mars Hill

215 PM EDT Fri Sep 11 2026

...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT SATURDAY...

* WHAT...Temperatures as low as the mid 30s will result in frost

  formation.

* WHERE...Northern Penobscot, Southeast Aroostook, Northeast

  Aroostook, Northwest Aroostook, Northern Somerset, and Northern

  Piscataquis Counties.

* WHEN...From 2 AM to 8 AM EDT Saturday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive

  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

CN

3:26 PM ADT Friday 11 September 2026

Impact Level: Moderate

Forecast Confidence: High

Conditions are favourable for the development of frost tonight.

Locations: northwestern New Brunswick.

Minimum temperatures: 0 to plus 3 (coolest in low-lying areas).

Time span: early Saturday morning.

Remarks: Patchy frost is expected to form as clear skies and light winds coincide with cool temperatures, especially in valleys and other low-lying areas.

Take preventative measures to protect cold-sensitive plants, trees, and crops.

Frost advisories are issued when widespread frost or freezing temperatures are expected during the growing season.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to NBstorm@ec.gc.ca or post reports on social media using #NBStorm.

In effect for:

Edmundston and Madawaska County