Another Region Wide Frost Possible Overnight

URGENT - WEATHER MESSAGE

National Weather Service Caribou ME

414 PM EDT Wed Sep 23 2026

MEZ015-241100-

/O.CON.KCAR.FR.Y.0008.260924T0400Z-260924T1100Z/

Southern Penobscot-

Including the cities of Old Town, Orono, Bangor, and Brewer

414 PM EDT Wed Sep 23 2026

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM EDT

THURSDAY...

* WHAT...Temperatures as low as 34 will result in frost formation.

* WHERE...Southern Penobscot County.

* WHEN...From midnight tonight to 7 AM EDT Thursday.

* 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

5:08 PM ADT Wednesday 23 September 2026

Impact Level: Moderate

Forecast Confidence: High

Conditions are favourable for the development of frost tonight.

Minimum temperatures: plus 2.

Time span: late tonight and early Thursday morning, possibly again early Friday morning. 

Remarks: Patchy frost is expected to continue tonight as clear skies and light winds coincide with cool temperatures.

Cover up plants, especially those in frost-prone areas.

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 NSstorm@ec.gc.ca or post reports on social media using #NSStorm.

In effect for:

Halifax Metro and Halifax County West

5:08 PM ADT Wednesday 23 September 2026

Impact Level: Moderate

Forecast Confidence: High

Conditions are favourable for the development of frost tonight.

Minimum temperatures: plus 1 to plus 3.

Time span: late tonight and early Thursday morning, possibly again Friday morning. 

Remarks: Patchy frost is expected to form over the next couple days as clear skies and light winds coincide with cool temperatures.

Damage to plants, trees, and crops is possible.

Cover up plants, especially those in frost-prone areas.

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:

Fredericton and Southern York County

5:07 PM ADT Wednesday 23 September 2026

Impact Level: Moderate

Forecast Confidence: High

Conditions are favourable for the development of frost tonight.

Minimum temperatures: plus 2.

Time span: late tonight and early Thursday morning, possibly early Friday morning.

Remarks: Patchy frost is expected to form over the next couple days as clear skies and light winds coincide with cool temperatures.

Damage to plants, trees, and crops is possible.

Cover up plants, especially those in frost-prone areas.

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 PEstorm@ec.gc.ca or post reports on social media using #PEStorm.

In effect for:

Queens County P.E.I.