****0000001856****
WOCN11 CWTO 312039

SPECIAL WEATHER STATEMENT

FOR SOUTHERN ONTARIO

ISSUED BY ENVIRONMENT CANADA

AT 4:39 P.M. EDT MONDAY 31 MARCH 2025.

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SPECIAL WEATHER STATEMENT FOR:

=NEW= CITY OF TORONTO

=NEW= WINDSOR - ESSEX - CHATHAM-KENT

=NEW= SARNIA - LAMBTON

=NEW= ELGIN

=NEW= LONDON - MIDDLESEX

=NEW= SIMCOE - DELHI - NORFOLK

=NEW= DUNNVILLE - CALEDONIA - HALDIMAND

=NEW= OXFORD - BRANT

=NEW= NIAGARA

=NEW= CITY OF HAMILTON

=NEW= MISSISSAUGA - BRAMPTON

=NEW= BURLINGTON - OAKVILLE.



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==DISCUSSION==



SIGNIFICANT RAINFALL MIDWEEK. 



WHAT: 

RAIN, AT TIMES HEAVY. TOTAL RAINFALL AMOUNTS OF 30 TO 50 MM. LOCALLY 

HIGHER AMOUNTS ARE POSSIBLE IN THUNDERSTORMS. 



WHEN: 

WEDNESDAY MORNING THROUGH EARLY THURSDAY MORNING. 



ADDITIONAL INFORMATION: 

RAIN BEGINS WEDNESDAY MORNING OVER EXTREME SOUTHWESTERN ONTARIO 

BEFORE REACHING THE GOLDEN HORSESHOE WEDNESDAY AFTERNOON. WITH 

THUNDERSTORMS EXPECTED, RAINFALL AMOUNTS MAY EXCEED 50 MM OVER SOME 

AREAS, PARTICULARLY OVER SOUTHWESTERN ONTARIO. RAIN WILL END FROM 

WEST TO EAST WEDNESDAY NIGHT INTO EARLY THURSDAY MORNING. 



RAINFALL WARNINGS MAY BE REQUIRED FOR SOME AREAS AS THE EVENT DRAWS 

NEARER. 



LOCALIZED FLOODING IN LOW-LYING AREAS IS POSSIBLE. 



FOR INFORMATION CONCERNING FLOODING, PLEASE CONSULT YOUR LOCAL 

CONSERVATION AUTHORITY OR ONTARIO MINISTRY OF NATURAL RESOURCES 

OFFICE. VISIT ONTARIO.CA/FLOODS FOR THE LATEST DETAILS.



PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY 

ENVIRONMENT CANADA. 



TO REPORT SEVERE WEATHER IN ONTARIO, SEND AN EMAIL TO 

ONSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)ONSTORM.



HTTP://WEATHER.GC.CA



END/OSPC