886  
AWCN10 CWTO 031435  
WEATHER SUMMARY  
FOR ONTARIO AND THE NATIONAL CAPITAL REGION  
ISSUED BY ENVIRONMENT CANADA  
AT 10:35 A.M. EDT MONDAY 3 AUGUST 2026.  
 
DISCUSSION.  
 
THE AUGUST LONG WEEKEND SAW SIGNIFICANT RAINFALL OCCUR IN MANY  
REGIONS ACROSS SOUTHERN ONTARIO, PARTICULARLY ACROSS THE NIAGARA  
PENINSULA.  
 
THE FOLLOWING IS A SUMMARY OF WEATHER EVENT INFORMATION RECEIVED BY  
ENVIRONMENT CANADA.  
 
SUMMARY OF 48 HOUR RAINFALL AMOUNTS IN MILLIMETRES AS OF 8:00 AM EDT  
TODAY:  
 
RAINFALL AMOUNTS VIA ENVIRONMENT CANADA WEATHER STATIONS  
PORT WELLER: 134.2  
BANCROFT: 116.6  
VINELAND: 95.9  
CEDAR SPRINGS: 87.2  
WELLAND: 81.2  
HAMILTON: 70.1  
RIDGETOWN: 65  
PETERBOROUGH: 60.3  
POINT PETRE: 55.9  
BARRIE: 50.8  
OTTAWA: 49.4  
HARROW: 47  
COBOURG: 45.9  
 
RAINFALL AMOUNTS VIA NIAGARA PENINSULA CONSERVATION AUTHORITY  
DECEW: 150.2  
PORT DALHOUSIE: 141.8  
WELLANDPORT: 118.2  
OSWEGO: 107.4  
CAISTORS: 106.4  
WAINFLEET BOG: 105  
LINCOLN: 104  
LONG BEACH: 101.2  
REST OF NIAGARA PENINSULA CONSERVATION AUTHORITY: 70 - 100  
 
RAINFALL AMOUNTS VIA GRAND RIVER CONSERVATION AUTHORITY  
BYNG ISLAND CONSERVATION AREA: 171.2  
WELLESLEY: 80.8  
NITHBURG: 71.4  
 
RAINFALL AMOUNTS VIA OMNRF WEATHER STATIONS  
PLEVNA: 85.4  
GALLOWAY LAKE: 69.4  
HALIBURTON: 65.5  
 
RAINFALL AMOUNTS VIA COCORAHS VOLUNTEER NETWORK  
NIAGARA FALLS: 97.5  
BLENHEIM: 96.8  
CAYUGA: 91.7  
GORES LANDING: 87.9  
ARDEN: 83.3  
ELDORADO: 77.5  
TAMWORTH: 77.5  
PORT STANLEY: 76.2  
CARP: 74.4  
KANATA: 71.4  
WHEATLEY: 70.1  
 
PLEASE NOTE THAT THIS SUMMARY MAY CONTAIN PRELIMINARY OR UNOFFICIAL  
INFORMATION AND DOES NOT CONSTITUTE A COMPLETE OR FINAL REPORT.  
 
END/OSPC  
 
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