AWCN10 CWTO 192353
WEATHER SUMMARY
FOR ONTARIO AND THE NATIONAL CAPITAL REGION
ISSUED BY ENVIRONMENT CANADA
AT 6:53 P.M. EST FRIDAY 19 DECEMBER 2025.

DISCUSSION.

A LOW-PRESSURE SYSTEM BROUGHT HEAVY SNOW AND BLOWING SNOW WITH 
SIGNIFICANT AMOUNTS TO PARTS OF NORTHERN AND FAR NORTHEASTERN 
ONTARIO, BEGINNING WEDNESDAY EVENING. THIS RESULTED IN MULTIPLE 
HIGHWAY CLOSURES NORTHEAST OF LAKE SUPERIOR, INCLUDING LARGE 
PORTIONS OF HIGHWAY 11 AND 17. 

VERY STRONG WIND GUSTS DEVELOPED ACROSS PARTS OF SOUTHERN ONTARIO ON 
FRIDAY FOLLOWING THE PASSAGE OF THE COLD FRONT ASSOCIATED WITH THIS 
LOW-PRESSURE SYSTEM. 

THERE WERE ALSO SEVERAL TEMPERATURE RECORDS BROKEN THURSDAY 
(DECEMBER 18) ACROSS SOUTHERN AND NORTHEASTERN ONTARIO. 

THE FOLLOWING IS A SUMMARY OF WEATHER EVENT INFORMATION RECEIVED BY 
ENVIRONMENT AND CLIMATE CHANGE CANADA. 

SNOWFALL AMOUNTS IN CENTIMETRES AS OF 12:00 P.M. EST DECEMBER 19, 
2025: 

KAPUSKASING 36 
*SIOUX LOOKOUT 25 
*EAR FALLS 24 
*ARMSTRONG 22 
*NAGAGAMI 22 
^THUNDER BAY 19 
*TERRACE BAY 18 
*UPSALA 16 
*DRYDEN 14 
KENORA 12 

*ESTIMATED BASED ON SNOW DEPTH CHANGE REPORTED AT AN AUTOMATIC 
STATION. 
^DENOTES VOLUNTEER OBSERVATION (COCORAHS). 

PEAK WIND GUSTS IN KILOMETRES PER HOUR AS OF 6:00 P.M. EST DECEMBER 
19, 2025: 

KINGSTON 93 
POINT PETRE 93 
TRENTON 93 
TORONTO ISLAND 83 
PORT WELLER 83 

NEW DAILY MAXIMUM TEMPERATURE RECORDS FOR DECEMBER 18, 2025 IN 
DEGREES CELSIUS: 

ALGONQUIN PARK (LAKE OF TWO RIVERS) 
NEW RECORD OF 6.6 
OLD RECORD OF 4.4 SET IN 2023 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1917 

BANCROFT 
NEW RECORD OF 6.1 
OLD RECORD OF 5.4 SET IN 2023 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1882 

BRACEBRIDGE 
NEW RECORD OF 7.5 
OLD RECORD OF 6.1 SET IN 1889 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1875 

BRAMPTON 
NEW RECORD OF 9.1 
OLD RECORD OF 8.3 SET IN 1957 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1914 

EARLTON 
NEW RECORD OF 4.6 
OLD RECORD OF 3.3 SET IN 1941 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1928 

GREATER SUDBURY 
NEW RECORD OF 4.7 
OLD RECORD OF 4.4 SET IN 1957 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1954 

KAWARTHA LAKES (LINDSAY) 
NEW RECORD OF 7.9 
OLD RECORD OF 6.2 SET IN 2023 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1880 

KIRKLAND LAKE 
NEW RECORD OF 5.0 
OLD RECORD OF 3.3 SET IN 1957 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1950 

NORTH BAY 
NEW RECORD OF 5.7 
OLD RECORD OF 5.6 SET IN 1957 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1887 

PARRY SOUND 
NEW RECORD OF 8.3 
OLD RECORD OF 6.7 SET IN 1921 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1875 

PEMBROKE 
NEW RECORD OF 6.2 
OLD RECORD OF 5.6 SET IN 2023 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1915 

PORT PERRY 
NEW RECORD OF 7.2 
OLD RECORD OF 6.1 SET IN 1967 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1905 

STIRLING 
NEW RECORD OF 8.2 
OLD RECORD OF 7.2 SET IN 2023 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1935 

TEMISKAMING SHORES 
NEW RECORD OF 4.6 
OLD RECORD OF 3.9 SET IN 1895 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1893 

TIMMINS 
NEW RECORD OF 4.2 
OLD RECORD OF 3.3 SET IN 1967 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1913 

TORONTO DOWNTOWN 
NEW RECORD OF 10.3 
OLD RECORD OF 9.4 SET IN 1921 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1840 

WALKERTON AREA 
NEW RECORD OF 7.3 
OLD RECORD OF 7.2 SET IN 1967 
RECORDS IN THIS AREA HAVE BEEN KEPT SINCE 1903

PLEASE NOTE THAT THIS SUMMARY MAY CONTAIN PRELIMINARY OR UNOFFICIAL 
INFORMATION AND DOES NOT CONSTITUTE A COMPLETE OR FINAL REPORT.

END/OSPC