Frost Possible Throughout The Maritimes Overnight

8:41 PM ADT Sunday 31 May 2026

Impact Level: Moderate

Forecast Confidence: High

Conditions are favourable for the development of patchy frost tonight.

Locations: Nova Scotia.

Minimum temperatures: near zero in low lying areas.

Time span: overnight tonight into early Monday morning.

Remarks: Coastal showers are expected to end late this evening, and the associated cloud is expected to partially clear out by morning. This will lead to temperatures dropping near zero overnight in some 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 NSstorm@ec.gc.ca or post reports on X using #NSStorm.

In effect for:

Halifax Metro and Halifax County West

8:35 PM ADT Sunday 31 May 2026

Impact Level: Moderate

Forecast Confidence: High

Conditions are favourable for the development of frost tonight.

Minimum temperatures: near zero in low lying areas.

Time span: overnight tonight into early Monday morning.

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

In effect for:

Queens County P.E.I.

8:33 PM ADT Sunday 31 May 2026

Impact Level: Moderate

Forecast Confidence: High

Freezing temperatures with frost are expected tonight.

Locations: New Brunswick.

Minimum temperatures: near zero in low lying areas.

Time span: overnight tonight into early Monday morning.

Damage to plants, trees, and crops is possible.

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 X using #NBStorm.

In effect for:

Fredericton and Southern York County

April 2026 Climate Summary for Northern and Eastern Maine

...APRIL 2026 CLIMATE NARRATIVE FOR NORTHERN/EASTERN MAINE...

April Trends:

Caribou:

- Snowfall was 2.5 inches below normal

- Mean maximum temperatures were around normal, measuring 47.4F

- Mean minimum temperatures were around normal, measuring 29.5F

- Average temperatures were around normal, measuring 38.5F

- Precipitation was 1.24 inches above normal. *This was the 9th

wettest April on record for Caribou. Seasonal precipitation amounts

were 4.23 inches.

Bangor:

- Snowfall was 3.7 inches below normal. *Monthly snowfall was a

trace. Only 1968, 1998, and 2009 reported no snowfall during April

in Bangor.

- Mean maximum temperatures were -0.7F below normal

- Mean minimum temperatures were around normal, measuring 32.8F

- Average temperatures were around normal, measuring 42.6F

- Precipitation was 0.77 inches above normal

Millinocket:

- Mean maximum temperatures were around normal, measuring 50.5F

- Mean minimum temperatures were 2.5F above normal

- Average temperatures were 1.1F above normal

- Precipitation was 1.15 inches above normal *This was the 10th

wettest April on record for Millinocket. Seasonal precipitation

amounts were 4.66 inches.

Houlton:

- Mean maximum temperatures were around normal, measuring 49.5F

- Mean minimum temperatures were 1.9F above normal

- Average temperatures were 1.1F above normal

- Precipitation was 0.80 inches above normal

Weather Events:

- There were a few winter storms in the region during April. There

was 1 Winter Weather Warning on April 2nd into April 3rd, for

northwest and eastern Aroostook County. There were reports of up to

1-1.5 inches of sleet in these areas. There were also 2 Winter

Weather Advisories at the beginning of the month, for some mixed

precipitation events.

-Snow pack at WFO Caribou began around 3 inches at the start of the

month, increasing to 6 inches on April 3rd following the

aforementioned mixed precipitation storm. After this, the pack

gradually diminished down to a trace by the 11th, and was officially

reported to be 0 on the 17th.

Winter recreation ended in central and northern Maine with lack of

snowpack.

-The ongoing drought improved slightly in April. April began with

severe drought (D2) in western Aroostook, northern Somerset,

northern Piscataquis, southern Penobscot, and central/southern

Hancock counties. Moderate drought (D1) elsewhere in northern and

eastern Maine. By mid-April, drought improved to abnormally dry (D0)

for eastern and southern Aroostook, and northern Penobscot. Improved

to moderate (D1) drought for western Aroostook, northern Somerset,

Piscataquis, central and most of southern Penobscot, Hancock, and

Washington counties. Far western Penobscot hung on to severe drought

(D2) in mid-April. By the end of the month, portions of northern,

central, and southern Aroostook, northern and central Penobscot,

northern Hancock, and northern and central Washington all improved

to abnormally dry (D0) conditions. Western Aroostook, northern

Somerset, northern and central Piscataquis, most of southern

Penobscot, coastal Hancock and Washington counties were in moderate

(D1) drought. Southern Piscataquis and western Penobscot were in

severe drought (D2).

Climate Outlook:

- Temperatures: For May, Climate Prediction Center (CPC) is

forecasting no strong signals for above normal temperatures in

northern and eastern Maine. For the season ahead, outlook shows

temperatures could lean above climatological normal.

- Precipitation: For May, CPC is forecasting for likely above

normal precipitation. There is no strong signal for anomalously

above or below normal precipitation for the next three months

overall.

- ENSO: Per CPC, ENSO-neutral conditions are present. 80 percent

chance for continued ENSO-neutral conditions May-July. Then. El Nino

has a 61 percent chance of developing in May-July, persisting

through the end of the year.

$$

ASB

March 2026 Climate Summary for Northern and Eastern Maine

...MARCH 2026 CLIMATE NARRATIVE FOR NORTHERN/EASTERN MAINE...

March Trends: 

Caribou: 

* Snowfall was 10.1 inches below average 

* Mean maximum temperatures were 0.9 degrees above normal *March 

  10th 2026 recorded the 2nd daytime high temperature, at 54 

  degrees. It was behind the March 10th 1977 daytime high record 

  of 55 degrees. 

* Mean minimum temperatures were 0.4 degrees above normal

* Average temperatures were 0.6 degrees above normal  

* Precipitation was 0.96 inches above normal

Bangor: 

* Snowfall was 5.5 inches below average 

* Mean maximum temperatures were 2.1 degrees above normal *The 

  4th highest monthly temperature record was broken March 10th, at

  70 degrees. This temperature record follows 2012, 1998, and 

  1977. This temperature also broke the daytime high record for 

  March 10th. 

* Mean minimum temperatures were 0.9 degrees above normal 

* Average temperatures were 1.5 degrees above normal 

* Precipitation was 0.54 inches below normal

Millinocket: 

* Mean maximum temperatures were 1.7 degrees above normal *The 5th 

  highest monthly temperature record was broken March 10th, at 70 

  degrees. This temperature record follows 2012, 1946, 1945, and 

  1998. This temperature also broke the daytime high record for 

  March 10th. 

* Mean minimum temperatures were 1.8 degrees above normal 

* Average temperatures were 1.8 degrees above normal 

* Precipitation was 0.1 inches below normal 

Houlton: 

* Mean maximum temperatures were 2.5 degrees above normal *The 6th 

  highest temperature record for the month was broken March 10th, at 

  65 degrees. This follows 2012, 1962, 1979, and 1993. This 

  temperature also broke the daytime high record for March 10th. 

* Mean minimum temperatures were 2.8 degrees above normal  

* Average temperatures were 2.6 degree above normal 

* Precipitation was 0.49 inches below normal. 

Weather Events:

* There were a few snow storms in the region during March.  There 

  was 1 Winter Storm Warning on March 11th across northern Maine. 

  This was a mixed precipitation event, with snow, sleet, and 

  freezing rain reported across the region. 6 Winter Weather 

  Advisories were issued throughout the month, for some minor 

  snow/mixed precip events. 

* 1 Cold Weather Advisory issued on March 2nd. The coldest recorded 

  wind chill was -28F at Frenchville Airport.

* 1 Flood Warning for an ice jam along the Piscataquis River, 

  beginning on March 18th. Warning was replaced with a Flood 

  Advisory, that stayed up until floor waters receded March 22nd. 

  There was another Flood Advisory for Pleasant River for an ice jam 

  March 17th - 20th, and another for the Meduxnekeag River for a jam 

  March 18th. 

* Snow pack at WFO Caribou began around 11 inches at the start of 

  the month, quickly dropping down to 1-3 inches after significant 

  warm up ahead of a mixed precipitation storm. The snow pack never 

  fully recovered after this, getting back up to around 6 inches in 

  the middle of the month, and dropping back to 2-3 inches by the 

  end of the month. Similar to WFO Caribou, Bangor’s snow pack 

  started out around 9-10 inches, dropping down to 0 inches by the 

  time of the same warm up ahead of mid-month mixed precipitation 

  event. The snow pack never recovered. A few inches accumulated 

  after storms, but the month closed out with no snow on the ground. 

  Winter recreation ended in the Downeast region, and deteriorated 

  in central and northern Maine with reduced snowpack. 

* Drought remained status quo for March. Moderate drought for 

  eastern and southern Aroostook. Severe drought (D2) in western 

  Aroostook, northern Somerset, northern Piscataquis, southern 

  Penobscot, and central/southern Hancock counties. Moderate drought 

  (D1) elsewhere in northern and eastern Maine.

Climate Outlook: 

* Temperatures: For April, Climate Prediction Center (CPC) is 

  forecasting no strong signals for above normal temperatures in 

  northern and eastern Maine. For the season ahead, no strong signal 

  for temperatures to be anomalously above or below normal. 

* Precipitation: For April, CPC is forecasting for likely above 

  normal precipitation. There is no strong signal for anomalously 

  above or below normal precipitation for the next three months 

  overall. 

* ENSO: Per CPC, transition to ENSO-neutral conditions in the

  coming month or so. 55% chance for ENSO-neutral May-July. Then, 

  El Nino has a 62% chance of developing in June-August.

$$

ASB

Frost Possible Throughout The Maritimes Overnight

11:19 PM ADT Saturday 23 May 2026

Impact Level: Moderate

Forecast Confidence: High

Frost is expected again tonight.

Minimum temperatures: +2 to -2 (coolest in low lying inland areas).

Time span: late tonight into early Sunday morning.

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 X using #NBStorm.

In effect for:

Fredericton and Southern York County

11:14 PM ADT Saturday 23 May 2026

Impact Level: Moderate

Forecast Confidence: High

Frost is expected again tonight.

Minimum temperatures: +4 to - 2  (coolest in low lying inland areas).

Time span: late tonight into early Sunday morning.

Damage to plants, trees, and crops is possible.

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 X using #PEStorm.

11:13 PM ADT Saturday 23 May 2026

Impact Level: Moderate

Forecast Confidence: High

Frost is expected again tonight.

Minimum temperatures: +3 to -1  (coolest in low lying inland areas).

Time span: late tonight into early Sunday morning.

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

In effect for:

Halifax Metro and Halifax County West

A New Minimum Temperature Record Set In New Brunswick - 05/22/2026

Weather summary

for New Brunswick

issued by Environment Canada

at 9:11 a.m. ADT Saturday 23 May 2026.

Discussion.

The following area set a daily minimum temperature record on May 22, 

2026 (temperature values given in degrees Celsius): 

EDMUNDSTON AREA (Edmundston) 

New record of -4.5 

Old record of -3.5 set in 2007 

Records in this area have been kept since 1918 

Note: The temperature record reported here has been derived from a 

selection of historical stations in this geographic area that were 

active during the period of record.

Please note that this summary may contain preliminary or unofficial 

information and does not constitute a complete or final report.

End/ASPC

Frost & Freeze Possible Throughout Maine, New Brunswick And Nova Scotia Overnight

URGENT - WEATHER MESSAGE

National Weather Service Gray ME

245 PM EDT Thu May 21 2026

MEZ007-008-NHZ001-002-220645-

/O.CON.KGYX.FZ.W.0003.260522T0300Z-260522T1200Z/

Northern Oxford-Northern Franklin-Northern Coos-Southern Coos-

Including the cities of Davis, Phillips, Upton, Avon, Andover,

Lancaster, Coburn Gore, Colebrook, Oquossoc, Roxbury, Milan,

Kingfield, Wilsons Mills, Byron, Dummer, Errol, Millsfield,

Middle Dam, Rangeley, York Pond, South Arm, and Berlin

245 PM EDT Thu May 21 2026

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM

EDT FRIDAY...

* WHAT...Sub-freezing temperatures as low as 24 expected.

* WHERE...In Maine, Northern Franklin and Northern Oxford Counties.

  In New Hampshire, Northern Coos and Southern Coos Counties.

* WHEN...From 11 PM this evening to 8 AM EDT Friday.

* IMPACTS...Frost and freeze conditions could kill crops, other

  sensitive vegetation and possibly damage unprotected outdoor

  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

URGENT - WEATHER MESSAGE

National Weather Service Caribou ME

108 PM EDT Thu May 21 2026

MEZ002-005-006-010-220815-

/O.CON.KCAR.FR.Y.0002.260522T0400Z-260522T1100Z/

Northeast Aroostook-Northern Penobscot-Southeast Aroostook-

Central Piscataquis-

Including the cities of Monson, Mars Hill, Millinocket, Ashland,

Houlton, Hodgdon, Greenville, Caribou, Medway, East Millinocket,

Patten, Sherman, Smyrna Mills, Van Buren, Presque Isle, and

Blanchard

108 PM EDT Thu May 21 2026

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

EDT FRIDAY...

* WHAT...Temperatures as low as 30 will result in frost formation.

* WHERE...Central Piscataquis, Northern Penobscot, Southeast

  Aroostook, and Northeast Aroostook Counties.

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

* 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.

&&

$$

21

9:56 PM ADT Thursday 21 May 2026

Impact Level: Moderate

Forecast Confidence: High

Frost is expected tonight and possibly again on Friday night.

Minimum temperatures: +2 to zero (coolest in low-lying areas).

Time span: early Friday morning.  Possibly reforming Saturday night.

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

Damage to plants, trees, and crops is possible.

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 X using #NBStorm.

In effect for:

Fredericton and Southern York County

9:52 PM ADT Thursday 21 May 2026

Impact Level: Moderate

Forecast Confidence: High

Frost is expected tonight and possibly again on Friday night.

Minimum temperatures: +4 to zero  (coolest in low-lying inland areas).

Time span: early Friday morning.  Possibly reforming Friday night.

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

Damage to plants, trees, and crops is possible.

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 X using #NSStorm.

In effect for:

Halifax Metro and Halifax County West

New Maximum Daily Temperature Records Set Throughout The Maritimes - 05/20/2026

Weather summary

for New Brunswick

issued by Environment Canada

at 3:23 a.m. ADT Thursday 21 May 2026.

Discussion.

The following areas set or tied a daily maximum temperature record 

on May 20, 2026 (temperature values given in degrees Celsius): 

DOAKTOWN AREA 

Tied record of 31.0 set in 2003 

Records in this area have been kept since 1952 

FREDERICTON AREA 

New record of 31.3 

Old record of 30.6 set in 1951 

Records in this area have been kept since 1871 

GRAND MANAN AREA 

New record of 29.5 

Old record of 24.9 set in 2003 

Records in this area have been kept since 1962 

KOUCHIBOUGUAC AREA 

New record of 31.2 

Old record of 30.3 set in 2003 

Records in this area have been kept since 1924 

MONCTON AREA 

New record of 31.4 

Old record of 28.9 set in 1931 

Records in this area have been kept since 1898 

SAINT JOHN AREA 

New record of 29.2 

Old record of 25.2 set in 2003 

Records in this area have been kept since 1871 

ST. STEPHEN AREA 

New record of 31.2 

Old record of 26.0 set in 2012 

Records in this area have been kept since 1951 

Note: the temperature records reported here have been derived from a 

selection of historical stations in each geographic area that were 

active during the period of record.

Please note that this summary may contain preliminary or unofficial 

information and does not constitute a complete or final report.

End/ASPC

Weather summary

for Nova Scotia

issued by Environment Canada

at 3:23 a.m. ADT Thursday 21 May 2026.

Discussion.

The following areas set a daily maximum temperature record on May 

20, 2026 (temperature values given in degrees Celsius): 

ANTIGONISH AREA 

New record of 30.2 

Old record of 29.4 set in 1931 

Records in this area have been kept since 1910 

CHETICAMP AREA 

New record of 26.9 

Old record of 24.6 set in 1999 

Records in this area have been kept since 1956 

GREENWOOD AREA 

New record of 31.3 

Old record of 26.7 set in 1975 

Records in this area have been kept since 1934 

HALIFAX (SHEARWATER) AREA 

New record of 28.4 

Old record of 25.6 set in 1918 

Records in this area have been kept since 1871 

HALIFAX AREA 

New record of 30.3 

Old record of 26.0 set in 2003 

Records in this area have been kept since 1953 

KEJIMKUJIK (NATIONAL PARK) AREA 

New record of 32.1 

Old record of 28.0 set in 2003 

Records in this area have been kept since 1966 

KENTVILLE AREA 

New record of 30.6 

Old record of 27.8 set in 1931 

Records in this area have been kept since 1898 

Note: the temperature records reported here have been derived from a 

selection of historical stations in each geographic area that were 

active during the period of record.

Please note that this summary may contain preliminary or unofficial 

information and does not constitute a complete or final report.

End/ASPC

Weather summary

for Prince Edward Island

issued by Environment Canada

at 3:24 a.m. ADT Thursday 21 May 2026.

Discussion.

The following areas set a daily maximum temperature record on May 

20, 2026 (temperature values given in degrees Celsius): 

CHARLOTTETOWN AREA 

New record of 28.0 

Old record of 25.6 set in 1918 

Records in this area have been kept since 1872 

ST. PETERS BAY AREA 

New record of 28.9 

Old record of 25.0 set in 1999 

Records in this area have been kept since 1960 

SUMMERSIDE AREA 

New record of 28.1 

Old record of 23.9 set in 2003 

Records in this area have been kept since 1898 

Note: the temperature records reported here have been derived from a 

selection of historical stations in each geographic area that were 

active during the period of record.

Please note that this summary may contain preliminary or unofficial 

information and does not constitute a complete or final report.

End/ASPC

New Daily Maximum Temperature Records Set In New Brunswick - 03/16/2026

Weather summary

for New Brunswick

issued by Environment Canada

at 5:39 p.m. ADT Tuesday 17 March 2026.

Discussion.

The following areas set or tied a daily maximum temperature record 

on March 16, 2026 (temperature values given in degrees Celsius): 

FUNDY (NATIONAL PARK) AREA (Fundy Park (Alma) CS) 

Tied record of 12.2 set in 2025 

Records in this area have been kept since 1950 

SAINT JOHN AREA (Saint John A) 

New record of 13.3 

Old record of 11.4 set in 2010 

Records in this area have been kept since 1871 

ST. STEPHEN AREA (St. Stephen) 

New record of 14.7 

Old record of 14.2 set in 2010 

Records in this area have been kept since 1951 

WOODSTOCK AREA (Woodstock Newbridge) 

New record of 13.6 

Old record of 13.5 set in 2010 

Records in this area have been kept since 1886 

Note: the temperature records reported here have been derived from a 

selection of historical stations in each geographic area that were 

active during the period of record.

Please note that this summary may contain preliminary or unofficial 

information and does not constitute a complete or final report.

End/ASPC

By Mid-March Ice Storm Part Two