429  
FPCN11 CWTO 122015 AAA  
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL  
REGION ISSUED BY ENVIRONMENT CANADA AT 4:15 P.M. EDT TUESDAY 12 MAY  
2026 FOR TONIGHT WEDNESDAY AND WEDNESDAY NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT  
WEDNESDAY.  
 
CITY OF TORONTO.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND BECOMING EAST  
20 KM/H GUSTING TO 40 LATE THIS EVENING. LOW 6.  
WEDNESDAY..A FEW SHOWERS ENDING NEAR NOON THEN CLOUDY. RISK OF A  
THUNDERSTORM IN THE MORNING. AMOUNT 5 MM. WIND BECOMING WEST 20 KM/H  
GUSTING TO 40 NEAR NOON. HIGH 16. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND  
WEST 20 KM/H GUSTING TO 40. LOW 6.  
 
WINDSOR - LEAMINGTON - ESSEX COUNTY.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING.  
SHOWERS BEGINNING LATE THIS EVENING. RISK OF A THUNDERSTORM LATE  
THIS EVENING AND OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTH 20 KM/H  
GUSTING TO 50 BECOMING WEST 30 GUSTING TO 50 AFTER MIDNIGHT. LOW 12.  
WEDNESDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST  
30 KM/H GUSTING TO 50. HIGH 15. UV INDEX 3 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 20 KM/H GUSTING TO 40. LOW 8.  
 
CHATHAM-KENT - RONDEAU PARK.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING.  
SHOWERS BEGINNING LATE THIS EVENING. RISK OF A THUNDERSTORM LATE  
THIS EVENING AND OVERNIGHT. AMOUNT 10 TO 15 MM. WIND BECOMING SOUTH  
30 KM/H GUSTING TO 50 EARLY THIS EVENING. LOW 12.  
WEDNESDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST  
30 KM/H GUSTING TO 50. HIGH 15. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 20 KM/H GUSTING TO 40. LOW 7.  
 
SARNIA - PETROLIA - WESTERN LAMBTON COUNTY.  
TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS  
EVENING. SHOWERS BEGINNING LATE THIS EVENING. RISK OF A THUNDERSTORM  
LATE THIS EVENING AND OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTH  
20 KM/H GUSTING TO 40. LOW 9.  
WEDNESDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND NORTHWEST  
30 KM/H GUSTING TO 50. HIGH 14. UV INDEX 2 OR LOW.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 30 KM/H GUSTING TO 50. LOW 6.  
 
WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING.  
SHOWERS BEGINNING LATE THIS EVENING. RISK OF A THUNDERSTORM LATE  
THIS EVENING AND OVERNIGHT. AMOUNT 10 TO 15 MM. WIND BECOMING SOUTH  
30 KM/H GUSTING TO 50 OVERNIGHT. LOW 9.  
WEDNESDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND SOUTH  
30 KM/H GUSTING TO 50 BECOMING WEST 30 GUSTING TO 50 NEAR NOON.  
HIGH 14. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST  
30 KM/H GUSTING TO 50. LOW PLUS 5.  
 
RODNEY - SHEDDEN - WESTERN ELGIN COUNTY.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING.  
SHOWERS BEGINNING LATE THIS EVENING. RISK OF A THUNDERSTORM LATE  
THIS EVENING AND OVERNIGHT. AMOUNT 10 TO 15 MM. WIND BECOMING  
SOUTHEAST 20 KM/H THIS EVENING THEN SOUTHWEST 30 GUSTING TO 50 AFTER  
MIDNIGHT. LOW 10.  
WEDNESDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST  
30 KM/H GUSTING TO 50 BECOMING NORTHWEST 20 GUSTING TO 40 IN THE  
AFTERNOON. HIGH 14. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 20 KM/H GUSTING TO 40. LOW 6.  
 
ST. THOMAS - AYLMER - EASTERN ELGIN COUNTY.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND BECOMING SOUTHWEST  
30 KM/H GUSTING TO 50 AFTER MIDNIGHT. LOW 9.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE  
MORNING. WIND WEST 20 KM/H GUSTING TO 40. HIGH 15. UV INDEX 4 OR  
MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 20 KM/H GUSTING TO 40. LOW 6.  
 
STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING.  
SHOWERS BEGINNING LATE THIS EVENING. RISK OF A THUNDERSTORM LATE  
THIS EVENING AND OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTHEAST  
20 KM/H BECOMING LIGHT LATE THIS EVENING. WIND BECOMING SOUTHWEST 30  
GUSTING TO 50 AFTER MIDNIGHT. LOW 9.  
WEDNESDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST  
20 KM/H GUSTING TO 40. HIGH 14. UV INDEX 3 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 20 KM/H GUSTING TO 40. LOW PLUS 5.  
 
LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING.  
SHOWERS BEGINNING LATE THIS EVENING. RISK OF A THUNDERSTORM LATE  
THIS EVENING AND OVERNIGHT. AMOUNT 10 TO 15 MM. WIND BECOMING SOUTH  
30 KM/H GUSTING TO 50 AFTER MIDNIGHT. LOW 8.  
WEDNESDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST  
20 KM/H BECOMING NORTHWEST 30 GUSTING TO 50 IN THE MORNING. HIGH 14.  
UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 20 KM/H GUSTING TO 40. LOW PLUS 5.  
 
SIMCOE - DELHI - NORFOLK.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND BECOMING SOUTH  
30 KM/H GUSTING TO 50 AFTER MIDNIGHT. LOW 8.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE  
MORNING. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING NORTHWEST 30  
GUSTING TO 50 IN THE AFTERNOON. HIGH 16. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 30 KM/H GUSTING TO 50. LOW 6.  
 
DUNNVILLE - CALEDONIA - HALDIMAND.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND BECOMING SOUTH  
30 KM/H GUSTING TO 50 OVERNIGHT. LOW 8.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE  
MORNING. WIND SOUTH 30 KM/H GUSTING TO 50 BECOMING WEST 30 GUSTING  
TO 50 IN THE MORNING. HIGH 16. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST  
30 KM/H GUSTING TO 50. LOW 6.  
 
WOODSTOCK - TILLSONBURG - OXFORD COUNTY.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND BECOMING SOUTHWEST  
30 KM/H GUSTING TO 50 OVERNIGHT. LOW 8.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE  
MORNING. WIND SOUTHWEST 20 KM/H BECOMING NORTHWEST 30 GUSTING TO 50  
IN THE MORNING. HIGH 14. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 30 KM/H GUSTING TO 50. LOW PLUS 5.  
 
BRANTFORD - COUNTY OF BRANT.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTHEAST 20 KM/H  
BECOMING LIGHT LATE THIS EVENING. WIND BECOMING SOUTHWEST 20 GUSTING  
TO 40 BEFORE MORNING. LOW 7.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE  
MORNING. WIND WEST 30 KM/H GUSTING TO 50. HIGH 15. UV INDEX 4 OR  
MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST  
30 KM/H GUSTING TO 50. LOW PLUS 5.  
 
NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION.  
TONIGHT..BECOMING CLOUDY THIS EVENING WITH 40 PERCENT CHANCE OF  
SHOWERS THIS EVENING AND AFTER MIDNIGHT. SHOWERS BEGINNING AFTER  
MIDNIGHT. RISK OF A THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND  
BECOMING SOUTH 30 KM/H GUSTING TO 50 BEFORE MORNING. LOW 8.  
WEDNESDAY..A FEW SHOWERS ENDING NEAR NOON THEN CLOUDY. RISK OF A  
THUNDERSTORM IN THE MORNING. AMOUNT 5 MM. WIND SOUTH 30 KM/H GUSTING  
TO 50 BECOMING WEST 30 GUSTING TO 50 IN THE AFTERNOON. HIGH 17. UV  
INDEX 5 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND  
WEST 30 KM/H GUSTING TO 50. LOW 6.  
 
ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION.  
TONIGHT..BECOMING CLOUDY THIS EVENING WITH 40 PERCENT CHANCE OF  
SHOWERS THIS EVENING AND AFTER MIDNIGHT. SHOWERS BEGINNING AFTER  
MIDNIGHT. RISK OF A THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND  
BECOMING SOUTHWEST 30 KM/H GUSTING TO 50 BEFORE MORNING. LOW 7.  
WEDNESDAY..A FEW SHOWERS ENDING NEAR NOON THEN CLOUDY. RISK OF A  
THUNDERSTORM IN THE MORNING. AMOUNT 5 MM. WIND SOUTH 20 KM/H GUSTING  
TO 50 BECOMING WEST 30 GUSTING TO 50 IN THE AFTERNOON. HIGH 17. UV  
INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND  
WEST 30 KM/H GUSTING TO 50. LOW 6.  
 
CITY OF HAMILTON.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND BECOMING SOUTHWEST  
20 KM/H GUSTING TO 40 BEFORE MORNING. LOW 6.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE  
MORNING. WIND SOUTHWEST 20 KM/H GUSTING TO 40. HIGH 16. UV INDEX 4  
OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
SOUTHWEST 20 KM/H GUSTING TO 40. LOW 6.  
 
BURLINGTON - OAKVILLE.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. LOW 6.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE  
MORNING. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE  
MORNING. HIGH 16. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
SOUTHWEST 20 KM/H GUSTING TO 40. LOW 7.  
 
HALTON HILLS - MILTON.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND BECOMING SOUTHEAST  
20 KM/H OVERNIGHT. LOW PLUS 5.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE  
MORNING. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE  
MORNING. HIGH 15. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING NORTHWEST 20 AFTER  
MIDNIGHT. LOW PLUS 5.  
 
MISSISSAUGA - BRAMPTON.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. LOW 6.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE  
MORNING. WIND BECOMING SOUTHWEST 30 KM/H GUSTING TO 50 IN THE  
MORNING. HIGH 16. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
SOUTHWEST 30 KM/H GUSTING TO 50 BECOMING NORTHWEST 20 GUSTING TO 40  
AFTER MIDNIGHT. LOW PLUS 5.  
 
CALEDON.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTH 20 KM/H. LOW  
PLUS 5.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE  
MORNING. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE  
MORNING. HIGH 13. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING NORTHWEST 20 GUSTING TO 40  
IN THE EVENING. LOW PLUS 5.  
 
VAUGHAN - RICHMOND HILL - MARKHAM.  
TONIGHT..BECOMING CLOUDY THIS EVENING WITH 40 PERCENT CHANCE OF  
SHOWERS THIS EVENING AND AFTER MIDNIGHT. SHOWERS BEGINNING AFTER  
MIDNIGHT. RISK OF A THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND  
BECOMING EAST 20 KM/H GUSTING TO 40 AFTER MIDNIGHT. LOW PLUS 5.  
WEDNESDAY..A FEW SHOWERS ENDING NEAR NOON THEN CLOUDY. RISK OF A  
THUNDERSTORM IN THE MORNING. AMOUNT 5 MM. WIND EAST 20 KM/H GUSTING  
TO 40 BECOMING SOUTH 20 GUSTING TO 40 THEN BECOMING WEST 20 GUSTING  
TO 40 NEAR NOON. HIGH 15. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND  
WEST 20 KM/H GUSTING TO 40. LOW PLUS 5.  
 
NEWMARKET - GEORGINA - NORTHERN YORK REGION.  
TONIGHT..BECOMING CLOUDY THIS EVENING WITH 40 PERCENT CHANCE OF  
SHOWERS THIS EVENING AND AFTER MIDNIGHT. SHOWERS BEGINNING AFTER  
MIDNIGHT. RISK OF A THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND  
SOUTH 20 KM/H BECOMING LIGHT LATE THIS EVENING. WIND BECOMING  
SOUTHEAST 20 GUSTING TO 40 AFTER MIDNIGHT. LOW PLUS 5.  
WEDNESDAY..A FEW SHOWERS ENDING NEAR NOON THEN CLOUDY. RISK OF A  
THUNDERSTORM IN THE MORNING. AMOUNT 5 MM. WIND SOUTHEAST 20 KM/H  
GUSTING TO 40 BECOMING SOUTHWEST 20 GUSTING TO 40 IN THE MORNING.  
HIGH 14. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND  
WEST 20 KM/H GUSTING TO 40. LOW PLUS 5.  
 
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY.  
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING.  
SHOWERS BEGINNING LATE THIS EVENING. RISK OF A THUNDERSTORM LATE  
THIS EVENING AND OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTHEAST  
20 KM/H GUSTING TO 40 BECOMING SOUTHWEST 20 GUSTING TO 40 BEFORE  
MORNING. LOW 8.  
WEDNESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST  
20 KM/H GUSTING TO 40 BECOMING NORTHWEST 30 GUSTING TO 50 IN THE  
MORNING. HIGH 11. UV INDEX 2 OR LOW.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 30 KM/H GUSTING TO 50. LOW PLUS 5.  
 
WINGHAM - BLYTH - NORTHERN HURON COUNTY.  
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING.  
SHOWERS BEGINNING LATE THIS EVENING. RISK OF A THUNDERSTORM LATE  
THIS EVENING AND OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTHEAST  
20 KM/H GUSTING TO 40 BECOMING LIGHT OVERNIGHT. LOW 7.  
WEDNESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND WEST  
20 KM/H GUSTING TO 40. HIGH 11. UV INDEX 2 OR LOW.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 20 KM/H GUSTING TO 40. LOW PLUS 5.  
 
STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY.  
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING.  
SHOWERS BEGINNING LATE THIS EVENING. RISK OF A THUNDERSTORM LATE  
THIS EVENING AND OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTHWEST  
20 KM/H GUSTING TO 40. LOW 7.  
WEDNESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST  
20 KM/H GUSTING TO 40 BECOMING NORTHWEST 30 GUSTING TO 50 EARLY IN  
THE AFTERNOON. HIGH 13. UV INDEX 2 OR LOW.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 30 KM/H GUSTING TO 50. LOW PLUS 5.  
 
LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY.  
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING.  
SHOWERS BEGINNING LATE THIS EVENING. RISK OF A THUNDERSTORM LATE  
THIS EVENING AND OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTHWEST  
20 KM/H BECOMING SOUTHEAST 20 GUSTING TO 40 LATE THIS EVENING THEN  
BECOMING SOUTHWEST 20 BEFORE MORNING. LOW 6.  
WEDNESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST  
20 KM/H GUSTING TO 40 BECOMING NORTHWEST 20 GUSTING TO 40 IN THE  
AFTERNOON. HIGH 12. UV INDEX 2 OR LOW.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 20 KM/H GUSTING TO 40. LOW PLUS 5.  
 
KITCHENER - CAMBRIDGE - REGION OF WATERLOO.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTHWEST 20 KM/H  
BECOMING LIGHT THIS EVENING. LOW PLUS 5.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE  
MORNING. WIND SOUTHWEST 20 KM/H GUSTING TO 40. HIGH 14. UV INDEX 4  
OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 20 KM/H GUSTING TO 40. LOW PLUS 4.  
 
GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. LOW PLUS 5.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE  
MORNING. WIND SOUTHWEST 20 KM/H GUSTING TO 40. HIGH 14. UV INDEX 4  
OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING NORTHWEST 20 NEAR MIDNIGHT.  
LOW PLUS 4.  
 
MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY.  
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING.  
SHOWERS BEGINNING LATE THIS EVENING. RISK OF A THUNDERSTORM LATE  
THIS EVENING AND OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTHWEST  
20 KM/H BECOMING SOUTHEAST 20 GUSTING TO 40 THIS EVENING. LOW  
PLUS 5.  
WEDNESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST  
20 KM/H GUSTING TO 40. HIGH 12. UV INDEX 2 OR LOW.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 20 KM/H GUSTING TO 40. LOW PLUS 4.  
 
ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTHWEST 20 KM/H  
BECOMING SOUTHEAST 20 NEAR MIDNIGHT. LOW PLUS 4.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE  
MORNING. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE  
MORNING. HIGH 12. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING NORTHWEST 20 GUSTING TO 40  
IN THE EVENING. LOW PLUS 4.  
 
SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTHWEST 20 KM/H  
BECOMING SOUTHEAST 20 LATE THIS EVENING. LOW PLUS 4.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE  
MORNING. WIND SOUTHEAST 20 KM/H BECOMING SOUTHWEST 20 GUSTING TO 40  
IN THE MORNING. HIGH 12. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING NORTHWEST 20 GUSTING TO 40  
IN THE EVENING. LOW PLUS 4.  
 
INNISFIL - NEW TECUMSETH - ANGUS.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTH 20 KM/H. LOW  
PLUS 4.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE  
MORNING. WIND SOUTH 20 KM/H GUSTING TO 40 BECOMING WEST 30 GUSTING  
TO 50 NEAR NOON. HIGH 13. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST  
30 KM/H GUSTING TO 50. LOW PLUS 4.  
 
SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY.  
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING.  
SHOWERS BEGINNING LATE THIS EVENING. RISK OF A THUNDERSTORM LATE  
THIS EVENING AND OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTHWEST  
20 KM/H GUSTING TO 40 BECOMING SOUTHEAST 30 GUSTING TO 50 THIS  
EVENING THEN SOUTHWEST 20 GUSTING TO 40 OVERNIGHT. LOW 6.  
WEDNESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST  
20 KM/H GUSTING TO 40 BECOMING NORTHWEST 30 GUSTING TO 50 NEAR NOON.  
HIGH 10. UV INDEX 2 OR LOW.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 30 KM/H GUSTING TO 50. LOW PLUS 5.  
 
BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY.  
TONIGHT..SHOWERS. RISK OF A THUNDERSTORM LATE THIS EVENING AND  
OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTHEAST 20 KM/H GUSTING TO 40.  
LOW 6.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
60 PERCENT CHANCE OF SHOWERS. WIND BECOMING NORTHWEST 30 KM/H  
GUSTING TO 50 IN THE MORNING. HIGH 10. UV INDEX 2 OR LOW.  
WEDNESDAY NIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS.  
WIND NORTH 20 KM/H GUSTING TO 40. LOW PLUS 5.  
 
HANOVER - DUNDALK - SOUTHERN GREY COUNTY.  
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING.  
SHOWERS BEGINNING LATE THIS EVENING. RISK OF A THUNDERSTORM LATE  
THIS EVENING AND OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTHWEST  
20 KM/H BECOMING SOUTHEAST 30 GUSTING TO 50 EARLY THIS EVENING. LOW  
PLUS 5.  
WEDNESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST  
20 KM/H GUSTING TO 40. HIGH 11. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND  
NORTHWEST 20 KM/H GUSTING TO 40. LOW PLUS 4.  
 
OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY.  
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING.  
SHOWERS BEGINNING LATE THIS EVENING. RISK OF A THUNDERSTORM LATE  
THIS EVENING AND OVERNIGHT. AMOUNT 10 TO 15 MM. WIND BECOMING  
SOUTHEAST 20 KM/H NEAR MIDNIGHT. LOW PLUS 5.  
WEDNESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND WEST  
30 KM/H GUSTING TO 50. HIGH 11. UV INDEX 2 OR LOW.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST  
30 KM/H GUSTING TO 50. LOW PLUS 4.  
 
BARRIE - COLLINGWOOD - HILLSDALE.  
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND  
AFTER MIDNIGHT. SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. AMOUNT 10 TO 15 MM. WIND SOUTH 20 KM/H  
BECOMING LIGHT THIS EVENING. WIND BECOMING SOUTHEAST 20 GUSTING TO  
40 AFTER MIDNIGHT. LOW PLUS 4.  
WEDNESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH  
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE  
MORNING. WIND BECOMING WEST 30 KM/H GUSTING TO 50 LATE IN THE  
MORNING. HIGH 12. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST  
30 KM/H GUSTING TO 50 BECOMING NORTH 20 BEFORE MORNING. LOW PLUS 4.  
 
REMAINDER UNCHANGED.  
 
END  
 
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