333  
FPCN11 CWTO 012222 AAE  
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL  
REGION ISSUED BY ENVIRONMENT CANADA AT 6:21 P.M. EDT WEDNESDAY 1 JULY  
2026 FOR TONIGHT THURSDAY AND THURSDAY NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT THURSDAY.  
 
CITY OF TORONTO.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
THEN CLEAR. RISK OF A THUNDERSTORM THIS EVENING. WIND WEST 20 KM/H  
GUSTING TO 40 BECOMING LIGHT AFTER MIDNIGHT. LOW 24.  
THURSDAY..SUNNY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND BECOMING WEST 30 KM/H GUSTING TO  
50 NEAR NOON. HIGH 35. HUMIDEX 44. UV INDEX 9 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE  
EVENING WITH RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. WIND WEST  
30 KM/H GUSTING TO 50 BECOMING LIGHT IN THE EVENING. LOW 23.  
 
WINDSOR - LEAMINGTON - ESSEX COUNTY.  
TONIGHT..CLEAR. WIND SOUTHWEST 20 KM/H GUSTING TO 40. LOW 24.  
THURSDAY..SUNNY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND SOUTHWEST 30 KM/H GUSTING TO 50.  
HIGH 36. HUMIDEX 43. UV INDEX 10 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM IN THE EVENING. WIND  
SOUTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT NEAR MIDNIGHT.  
LOW 24.  
 
CHATHAM-KENT - RONDEAU PARK.  
TONIGHT..CLEAR. WIND SOUTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT  
LATE THIS EVENING. LOW 24.  
THURSDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX  
OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.  
RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND BECOMING SOUTHWEST  
30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 36. HUMIDEX 43. UV  
INDEX 10 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE  
EVENING WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H GUSTING TO 40  
BECOMING LIGHT NEAR MIDNIGHT. LOW 24.  
 
SARNIA - PETROLIA - WESTERN LAMBTON COUNTY.  
TONIGHT..CLEAR. WIND SOUTHWEST 20 KM/H BECOMING LIGHT LATE THIS  
EVENING. LOW 24.  
THURSDAY..SUNNY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND WEST 20 KM/H GUSTING TO 40.  
HIGH 36. HUMIDEX 43. UV INDEX 10 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING AND RISK OF A THUNDERSTORM. CLEARING LATE IN THE  
EVENING. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT AFTER  
MIDNIGHT. LOW 23.  
 
WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS EARLY THIS  
EVENING THEN CLEAR. RISK OF A THUNDERSTORM EARLY THIS EVENING. WIND  
SOUTHWEST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 24.  
THURSDAY..SUNNY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H  
GUSTING TO 40 IN THE MORNING. HIGH 36. HUMIDEX 43. UV INDEX 10 OR  
VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING AND RISK OF A THUNDERSTORM. CLEARING LATE IN THE  
EVENING. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT EARLY  
IN THE EVENING. LOW 23.  
 
RODNEY - SHEDDEN - WESTERN ELGIN COUNTY.  
TONIGHT..CLEAR. WIND SOUTHWEST 20 KM/H GUSTING TO 40. LOW 24.  
THURSDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX  
OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.  
RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND SOUTHWEST 30 KM/H  
GUSTING TO 50. HIGH 35. HUMIDEX 42. UV INDEX 10 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM IN THE EVENING.  
LOW 23.  
 
ST. THOMAS - AYLMER - EASTERN ELGIN COUNTY.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS EARLY THIS  
EVENING THEN CLEAR. RISK OF A THUNDERSTORM EARLY THIS EVENING. WIND  
SOUTHWEST 20 KM/H GUSTING TO 40. LOW 23.  
THURSDAY..SUNNY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND SOUTHWEST 20 KM/H GUSTING TO 40.  
HIGH 33. HUMIDEX 43. UV INDEX 10 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM IN THE EVENING.  
LOW 23.  
 
STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS EARLY THIS  
EVENING THEN CLEAR. RISK OF A THUNDERSTORM EARLY THIS EVENING. WIND  
SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 22.  
THURSDAY..SUNNY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND SOUTHWEST 20 KM/H GUSTING TO 40  
BECOMING LIGHT LATE IN THE AFTERNOON. HIGH 36. HUMIDEX 43. UV  
INDEX 10 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING AND RISK OF A THUNDERSTORM. CLEARING LATE IN THE  
EVENING. LOW 23.  
 
LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS EARLY THIS  
EVENING THEN CLEAR. RISK OF A THUNDERSTORM EARLY THIS EVENING. WIND  
SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT LATE THIS EVENING.  
LOW 22.  
THURSDAY..SUNNY EARLY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H  
GUSTING TO 40 IN THE MORNING THEN LIGHT LATE IN THE AFTERNOON.  
HIGH 33. HUMIDEX 42. UV INDEX 10 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING AND RISK OF A THUNDERSTORM. CLEARING LATE IN THE  
EVENING. LOW 23.  
 
SIMCOE - DELHI - NORFOLK.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
AND RISK OF A THUNDERSTORM. CLEARING LATE THIS EVENING. WIND  
SOUTHWEST 20 KM/H BECOMING LIGHT LATE THIS EVENING. LOW 23.  
THURSDAY..SUNNY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H  
GUSTING TO 40 IN THE MORNING THEN LIGHT LATE IN THE AFTERNOON.  
HIGH 33. HUMIDEX 43. UV INDEX 10 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING AND RISK OF A THUNDERSTORM. CLEARING LATE IN THE  
EVENING. LOW 23.  
 
DUNNVILLE - CALEDONIA - HALDIMAND.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
AND RISK OF A THUNDERSTORM. CLEARING LATE THIS EVENING. WIND  
SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT EARLY THIS EVENING.  
LOW 23.  
THURSDAY..SUNNY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H  
GUSTING TO 40 IN THE MORNING. HIGH 33. HUMIDEX 43. UV INDEX 10 OR  
VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM IN THE EVENING.  
LOW 23.  
 
WOODSTOCK - TILLSONBURG - OXFORD COUNTY.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
THEN CLEAR. RISK OF A THUNDERSTORM THIS EVENING. WIND WEST 20 KM/H  
BECOMING LIGHT EARLY THIS EVENING. LOW 22.  
THURSDAY..SUNNY EARLY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND BECOMING WEST 20 KM/H GUSTING TO  
40 IN THE MORNING THEN LIGHT IN THE AFTERNOON. HIGH 33. HUMIDEX 42.  
UV INDEX 10 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING AND RISK OF A THUNDERSTORM. CLEARING LATE IN THE  
EVENING. LOW 23.  
 
BRANTFORD - COUNTY OF BRANT.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
AND RISK OF A THUNDERSTORM. CLEARING LATE THIS EVENING. WIND  
SOUTHWEST 20 KM/H GUSTING TO 40. LOW 22.  
THURSDAY..SUNNY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND SOUTHWEST 30 KM/H GUSTING TO 50  
BECOMING LIGHT LATE IN THE AFTERNOON. HIGH 33. HUMIDEX 42. UV  
INDEX 10 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM IN THE EVENING.  
LOW 23.  
 
NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION.  
TONIGHT..A FEW SHOWERS ENDING EARLY THIS EVENING THEN PARTLY CLOUDY  
WITH 40 PERCENT CHANCE OF SHOWERS. CLEARING LATE THIS EVENING. RISK  
OF A THUNDERSTORM THIS EVENING. WIND SOUTHWEST 20 KM/H GUSTING TO 40  
BECOMING LIGHT EARLY THIS EVENING. LOW 24.  
THURSDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX  
OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.  
RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND BECOMING SOUTHWEST  
30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 33. HUMIDEX 43. UV  
INDEX 10 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM IN THE EVENING. WIND  
WEST 20 KM/H BECOMING LIGHT EARLY IN THE EVENING. LOW 23.  
 
ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION.  
TONIGHT..A FEW SHOWERS ENDING EARLY THIS EVENING THEN PARTLY CLOUDY  
WITH 40 PERCENT CHANCE OF SHOWERS. BECOMING CLEAR LATE THIS EVENING.  
RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTHWEST 20 KM/H BECOMING  
LIGHT THIS EVENING. LOW 24.  
THURSDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX  
OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.  
RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND BECOMING SOUTHWEST  
30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 34. HUMIDEX 44. UV  
INDEX 9 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM IN THE EVENING. WIND  
WEST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 23.  
 
CITY OF HAMILTON.  
TONIGHT..A FEW SHOWERS ENDING EARLY THIS EVENING THEN PARTLY CLOUDY  
WITH 40 PERCENT CHANCE OF SHOWERS. BECOMING CLEAR LATE THIS EVENING.  
RISK OF A THUNDERSTORM THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40  
BECOMING LIGHT THIS EVENING. LOW 22.  
THURSDAY..SUNNY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H  
GUSTING TO 40 IN THE MORNING THEN LIGHT LATE IN THE AFTERNOON.  
HIGH 34. HUMIDEX 43. UV INDEX 10 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM IN THE EVENING.  
LOW 23.  
 
BURLINGTON - OAKVILLE.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
THEN CLEAR. RISK OF A THUNDERSTORM THIS EVENING. WIND WEST 30 KM/H  
GUSTING TO 50. LOW 24.  
THURSDAY..SUNNY. INCREASING CLOUDINESS LATE IN THE MORNING THEN  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND SOUTHWEST 30 KM/H GUSTING TO 50.  
HIGH 35. HUMIDEX 44. UV INDEX 9 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING AND RISK OF A THUNDERSTORM. CLEARING LATE IN THE  
EVENING. WIND SOUTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT IN THE  
EVENING. LOW 23.  
 
HALTON HILLS - MILTON.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
THEN CLEAR. RISK OF A THUNDERSTORM THIS EVENING. WIND WEST 30 KM/H  
GUSTING TO 50 BECOMING LIGHT THIS EVENING. LOW 24.  
THURSDAY..SUNNY. INCREASING CLOUDINESS IN THE MORNING THEN 40 PERCENT  
CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE  
AFTERNOON. WIND WEST 30 KM/H GUSTING TO 50. HIGH 35. HUMIDEX 44. UV  
INDEX 9 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM IN THE  
EVENING. WIND WEST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 23.  
 
MISSISSAUGA - BRAMPTON.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
THEN CLEAR. RISK OF A THUNDERSTORM THIS EVENING. WIND WEST 30 KM/H  
GUSTING TO 50 BECOMING LIGHT LATE THIS EVENING. LOW 24.  
THURSDAY..SUNNY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND BECOMING WEST 30 KM/H GUSTING TO  
50 IN THE MORNING. HIGH 35. HUMIDEX 44. UV INDEX 10 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM IN THE  
EVENING. LOW 23.  
 
CALEDON.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
THEN CLEAR. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTHWEST  
20 KM/H BECOMING LIGHT OVERNIGHT. LOW 23.  
THURSDAY..INCREASING CLOUDINESS. 40 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST  
30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 34. HUMIDEX 41. UV  
INDEX 9 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM IN THE  
EVENING. LOW 22.  
 
VAUGHAN - RICHMOND HILL - MARKHAM.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
THEN CLEAR. RISK OF A THUNDERSTORM THIS EVENING. WIND WEST 20 KM/H  
GUSTING TO 40. LOW 24.  
THURSDAY..SUNNY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H  
GUSTING TO 50 IN THE MORNING THEN BECOMING NORTHWEST 20 GUSTING TO  
40 LATE IN THE AFTERNOON. HIGH 35. HUMIDEX 44. UV INDEX 10 OR VERY  
HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM IN THE  
EVENING. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT EARLY  
IN THE EVENING. LOW 23.  
 
NEWMARKET - GEORGINA - NORTHERN YORK REGION.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
AND RISK OF A THUNDERSTORM. CLEARING LATE THIS EVENING. LOW 22.  
THURSDAY..INCREASING CLOUDINESS. 40 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 30 KM/H  
GUSTING TO 50 IN THE MORNING. HIGH 34. HUMIDEX 43. UV INDEX 9 OR  
VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM IN THE EVENING.  
LOW 21.  
 
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
THEN CLEAR. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTHWEST  
20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 23.  
THURSDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 34. HUMIDEX 43. UV  
INDEX 9 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM IN THE EVENING.  
LOW 22.  
 
WINGHAM - BLYTH - NORTHERN HURON COUNTY.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
THEN CLEAR. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTHWEST  
20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 23.  
THURSDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 30 KM/H  
GUSTING TO 50 IN THE MORNING. HIGH 34. HUMIDEX 43. UV INDEX 9 OR  
VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE  
EVENING WITH RISK OF A THUNDERSTORM. WIND WEST 30 KM/H GUSTING TO 50  
BECOMING LIGHT LATE IN THE EVENING. LOW 22.  
 
STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
THEN CLEAR. RISK OF A THUNDERSTORM THIS EVENING. WIND WEST 20 KM/H  
BECOMING LIGHT THIS EVENING. LOW 23.  
THURSDAY..SUNNY EARLY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND BECOMING WEST 20 KM/H GUSTING TO  
40 IN THE MORNING. HIGH 34. HUMIDEX 43. UV INDEX 9 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM IN THE EVENING.  
LOW 22.  
 
LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
THEN CLEAR. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTHWEST  
20 KM/H GUSTING TO 40 BECOMING LIGHT EARLY THIS EVENING. LOW 23.  
THURSDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST  
30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 34. HUMIDEX 43. UV  
INDEX 9 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING AND RISK OF A THUNDERSTORM. CLEARING NEAR MIDNIGHT. WIND  
WEST 20 KM/H BECOMING LIGHT EARLY IN THE EVENING. LOW 22.  
 
KITCHENER - CAMBRIDGE - REGION OF WATERLOO.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
THEN CLEAR. RISK OF A THUNDERSTORM THIS EVENING. WIND WEST 20 KM/H  
GUSTING TO 40 BECOMING LIGHT AFTER MIDNIGHT. LOW 23.  
THURSDAY..SUNNY EARLY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND BECOMING SOUTHWEST 30 KM/H  
GUSTING TO 50 IN THE MORNING. HIGH 33. HUMIDEX 42. UV INDEX 10 OR  
VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING AND RISK OF A THUNDERSTORM. CLEARING LATE IN THE  
EVENING. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE  
EVENING. LOW 21.  
 
GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
THEN CLEAR. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTHWEST  
20 KM/H GUSTING TO 40 BECOMING LIGHT EARLY THIS EVENING. LOW 23.  
THURSDAY..SUNNY EARLY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH  
40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. WIND BECOMING WEST 30 KM/H GUSTING TO  
50 IN THE MORNING. HIGH 33. HUMIDEX 40. UV INDEX 10 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING. BECOMING CLEAR LATE IN THE EVENING AND OVERNIGHT. RISK  
OF A THUNDERSTORM IN THE EVENING. WIND WEST 30 KM/H GUSTING TO 50  
BECOMING LIGHT EARLY IN THE EVENING. LOW 21.  
 
MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
THEN CLEAR. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTHWEST  
20 KM/H GUSTING TO 40 BECOMING LIGHT EARLY THIS EVENING. LOW 23.  
THURSDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST  
30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 33. HUMIDEX 40. UV  
INDEX 10 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING AND RISK OF A THUNDERSTORM. CLEARING NEAR MIDNIGHT. WIND  
WEST 30 KM/H GUSTING TO 50 BECOMING LIGHT IN THE EVENING. LOW 20.  
 
ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
AND RISK OF A THUNDERSTORM. CLEARING LATE THIS EVENING. LOW 23.  
THURSDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. 40 PERCENT  
CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. WIND  
BECOMING SOUTHWEST 30 KM/H GUSTING TO 50 IN THE MORNING THEN LIGHT  
IN THE AFTERNOON. HIGH 33. HUMIDEX 40. UV INDEX 9 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE  
EVENING WITH RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. LOW 20.  
 
SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
AND RISK OF A THUNDERSTORM. CLEARING LATE THIS EVENING. WIND WEST  
20 KM/H GUSTING TO 40 BECOMING LIGHT EARLY THIS EVENING. LOW 23.  
THURSDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. 40 PERCENT  
CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. WIND  
SOUTHWEST 30 KM/H GUSTING TO 50. HIGH 33. HUMIDEX 40. UV INDEX 9 OR  
VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM IN THE  
EVENING. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE  
EVENING. LOW 20.  
 
INNISFIL - NEW TECUMSETH - ANGUS.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
THEN CLEAR. RISK OF A THUNDERSTORM THIS EVENING. LOW 23.  
THURSDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. 40 PERCENT  
CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. WIND  
BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE MORNING THEN  
BECOMING NORTHWEST 20 IN THE AFTERNOON. HIGH 34. HUMIDEX 43. UV  
INDEX 9 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING AND RISK OF A THUNDERSTORM. CLEARING NEAR MIDNIGHT.  
LOW 21.  
 
SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF  
A THUNDERSTORM. LOW 23.  
THURSDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST  
20 KM/H IN THE MORNING. HIGH 33. HUMIDEX 40. UV INDEX 9 OR VERY  
HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE  
EVENING WITH RISK OF A THUNDERSTORM. LOW 20.  
 
BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY.  
TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF  
A THUNDERSTORM. WIND SOUTHWEST 20 KM/H. LOW 21.  
THURSDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H  
BECOMING LIGHT EARLY IN THE AFTERNOON. HIGH 31. HUMIDEX 38. UV  
INDEX 9 OR VERY HIGH.  
THURSDAY NIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE  
EVENING WITH RISK OF A THUNDERSTORM. LOW 20.  
 
HANOVER - DUNDALK - SOUTHERN GREY COUNTY.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF  
A THUNDERSTORM. WIND WEST 30 KM/H GUSTING TO 50 BECOMING LIGHT AFTER  
MIDNIGHT. LOW 23.  
THURSDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 30 KM/H  
GUSTING TO 50. HIGH 33. HUMIDEX 40. UV INDEX 9 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE  
EVENING WITH RISK OF A THUNDERSTORM. WIND WEST 30 KM/H GUSTING TO 50  
BECOMING LIGHT LATE IN THE EVENING. LOW 20.  
 
OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY.  
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF  
A THUNDERSTORM. LOW 23.  
THURSDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H  
LATE IN THE MORNING. HIGH 33. HUMIDEX 40. UV INDEX 10 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE  
EVENING WITH RISK OF A THUNDERSTORM. LOW 20.  
 
BARRIE - COLLINGWOOD - HILLSDALE.  
TONIGHT..A FEW SHOWERS ENDING EARLY THIS EVENING THEN PARTLY CLOUDY  
WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS  
EVENING AND OVERNIGHT. LOW 23.  
THURSDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST  
20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 34. HUMIDEX 43. UV  
INDEX 9 OR VERY HIGH.  
THURSDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN  
THE EVENING. BECOMING CLEAR LATE IN THE EVENING AND OVERNIGHT. RISK  
OF A THUNDERSTORM IN THE EVENING. LOW 21.  
 
REMAINDER UNCHANGED.  
 
END  
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